2-Oxo-Thiazole Derivatives as A2A Inhibitors and Compounds for Use in the Treatment of Cancers

Abstract

The present invention relates to compounds of Formula I or pharmaceutically acceptable salts or solvates thereof. The invention further relates to the use of the compounds of Formula I as A2A inhibitors. The invention also relates to the use of the compounds of Formula I for the treatment and/or prevention of cancer. The invention also relates to a process for manufacturing compounds of Formula I.

1 . A compound of Formula (I) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof, wherein: 
         R 1  represents 5- or 6-membered heteroaryl or 5- or 6-membered aryl, wherein heteroaryl or aryl groups are optionally substituted by one or more substituent selected from C 1 -C 6  alkyl and halo; 
         R 2  represents 6-membered aryl or 6-membered heteroaryl, wherein heteroaryl or aryl groups are optionally substituted by one or more substituent selected from halo, alkyl, heterocyclyl, alkoxy, cycloalkyloxy, heterocyclyloxy, carbonyl, alkylcarbonyl, aminocarbonyl, hydroxycarbonyl, heterocyclylcarbonyl, alkylsulfoxide, alkylsulfonyl, aminosulfonyl, heterocyclylsulfonyl, alkylsulfonimidoyl, carbonylamino, sulfonylamino and alkylsulfonealkyl;
 said substituents being optionally substituted by one or more substituent selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl alkylaminoalkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl; 
 or the heteroaryl or aryl groups are optionally substituted with two substituents that form together with the atoms to which they are attached a 5- or 6-membered aryl ring, a 5- or 6-membered heteroaryl ring, a 5- or 6-membered cycloalkyl ring or a 5- or 6-membered heterocyclyl ring; each of which are optionally substituted by one or more substituent selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, amino carbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)amino carbonyl, alkylamino alkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl. 
 
       
     
     
         2 . The compound according to  claim 1 , of Formula (Ia) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof, wherein: 
         X 1  and X 2  represent each independently C or N; 
         R 1  is absent when X 1  is N; or when X 1  is C, R 1  represents H, halo, alkyl, heterocyclyl, alkoxy, cycloalkyloxy, heterocyclyloxy, carbonyl, alkylcarbonyl, aminocarbonyl, hydroxycarbonyl, heterocyclylcarbonyl, alkylsulfoxide, alkylsulfonyl, aminosulfonyl, heterocyclylsulfonyl, alkylsulfonimidoyl, carbonylamino, sulfonylamino or alkylsulfonealkyl; wherein R 1 ′ is optionally substituted by one or more substituents selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl, alkylamino alkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl; 
         R 2 ′ represents H, halo, alkyl, heterocyclyl, alkoxy, cycloalkyloxy, heterocyclyloxy, carbonyl, alkylcarbonyl, aminocarbonyl, hydroxycarbonyl, heterocyclylcarbonyl, alkylsulfoxide, alkylsulfonyl, aminosulfonyl, heterocyclylsulfonyl, alkylsulfonimidoyl, carbonylamino, sulfonylamino, or alkylsulfonealkyl; wherein R 2′  is optionally substituted by one or more substituent selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)amino carbonyl, alkylamino alkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl; 
         or R 1′  and R 2′  form together with the atoms to which they are attached a 5- or 6-membered aryl ring, a 5- or 6-membered heteroaryl ring, a 5- or 6-membered cycloalkyl ring or a 5- or 6-membered heterocyclyl ring; wherein each group is optionally substituted by one or more substituent selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl, alkylaminoalkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl; 
         R 3′  is absent when X 2  is N; or when X 2  is C, R 3′  represents H or halo; 
         R 4′  represents H or halo; and 
         R 5′  represents H or halo. 
       
     
     
         3 . The compound according to  claim 2 , of Formula (Ia-1) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof. 
       
     
     
         4 . The compound according to  claim 2 , of Formula (Ia-1a) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof, wherein: 
         R 1″  represents an alkyl or heterocyclyl group substituted by one or more group selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl, alkylaminoalkylcarbonyl, dialkylamino alkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl. 
       
     
     
         5 . The compound according to  claim 2 , of Formula (Ia-1b) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof, wherein: 
         R 1′  represents H or halo; and 
         R 2″  represents an alkyl or heterocyclyl group substituted by one or more group selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl, alkylaminoalkylcarbonyl, dialkylamino alkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl. 
       
     
     
         6 . The compound according to  claim 2 , of Formula (Ia-1c) or (Ia-1d) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof, wherein: 
         R 1′  represents H or halo; 
         R T  represents H or halo; 
         R 1i  and R 1ii  represent each independently hydrogen, hydroxy, alkyl, alkenyl, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylamino alkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl, alkylaminoalkylcarbonyl, dialkylamino alkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxidealkyl or alkylsulfonealkyl; and 
         R 2i  and R 2ii  represent each independently hydrogen, hydroxy, alkyl, alkenyl, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylamino alkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)aminocarbonyl, alkylaminoalkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxidealkyl or alkylsulfonealkyl. 
       
     
     
         7 . The compound according to  claim 2 , of Formulae (Ia-2) or (Ia-3) 
       
         
           
           
               
               
           
         
         a pharmaceutically acceptable salt or solvate thereof. 
       
     
     
         8 . The compound of  claim 1 , selected from the group consisting of:
 3-(2-(4-(4-((1H-1,2,3-triazolo-4yl)methoxy-2fluorophenyl)piperazine-1-yl)ethyl)-5-amino-(8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine-2(3H)-one; 5-((4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)methyl)-1,3,4-oxadiazol-2(3H)-one; 5-amino-3-(2-(4-(3-fluoropyridin-4-yl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c] pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy)acetamide; (S)-5-amino-3-(2-(4-(2-fluoro-4-(2-(methylsulfinyl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(luran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R)-5-amino-3-(2-(4-(2-fluoro-4-(2-(methylsulfinyl)ethoxy)phenyl)-piperazin-1-yl)ethyl)-8-(ftiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R,S)-5-amino-3-(2-(4-(2,4-difluoro-5-(2-(methylsulfinyl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R)-5-amino-3-(2-(4-(2,4-difluoro-5-(2-(methylsulfinyl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-amino-3-(2-(4-(2,4-difluoro-5-(2-(methylsulfinyl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-8-(furan-2-yl)-3-(2-(4-(4-(2-hydroxyethoxy) phenyl)piperazin-1-yl)ethyl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)phenoxy)acetic acid; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)phenoxy)acetamide; 5-amino-3-(2-(4-(4-(2,3-dihydroxypropoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(4-(2-aminoethoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)benzamide;   4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-methylbenzamide; 5-amino-8-(i iran-2-yl)-3-(2-(4-(4-(2-morpholinoethoxy)phenyl)piperazin-1-yl)ethyl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one;   5-amino-3-(2-(4-(4-(2-(dimethylamino)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)benzenesulfonamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl) piperazin-1-yl)-N-methylbenzenesulfonamide; 5-amino-8-(furan-2-yl)-3-(2-(4-(4-(methylsulfonyl) phenyl)piperazin-1-yl)ethyl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-8-(furan-2-yl)-3-(2-(4-(4-(methylsulfinyl) phenyl)piperazin-1-yl)ethyl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 3-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)benzamide; 5-amino-8-(furan-2-yl)-3-(2-(4-(3-(2-hydroxyethoxy) phenyl)piperazin-1-yl)ethyl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(2-oxo-2-(piperazin-1-yl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(ftiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(piperidin-4-ylmethoxy) phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(piperazine-1-carbonyl) phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(2-(piperazin-1-yl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(piperazin-1-ylsulfonyl)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(methylsulfonyl)phenyl) piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-(2-aminoethyl)-3-fluorobenzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(2-(methylamino)ethyl) benzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl)ethyl)piperazin-1-yl)-N-(2-(dimethylamino)ethyl)-3-fluorobenzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(2-hydroxyethyl)benzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-(2,3-dihydroxypropyl)-3-fluorobenzamide; 2-(4-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)acetic acid; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl) piperazin-1-yl)-3,5-difluorophenoxy) acetic acid; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)propanoic acid;   (S)-2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)propanoic acid; 2-(4-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)-2-methylpropanoic acid; 3-(4-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenyl)propanoic acid; 4-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)butanoic acid; 2-(3-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,6-difluorophenoxy) acetic acid; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy) acetic acid; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorobenzoic acid; 2-((2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)ethyl) amino)acetamide; 2-((2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)ethyl)(methyl)amino)acetamide; 5-amino-3-(2-(4-(2-fluoro-4-(piperidin-4-yloxy) phenyl)piperazin-1-yl) ethyl)-8-(furan-2-yl) thiazolo[5,4-e][1,2,4] triazolo[1,5-c]pyrimidin-2(3H)-one;   5-amino-3-(2-(4-(2-fluoro-4-(pyrrolidin-3-yloxy)phenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 3-(2-(4-(4-((1H-1,2,4-triazol-3-yl)methoxy)-2-fluorophenyl)piperazin-1-yl)ethyl)-5-amino-8-(iuran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)-N-(2-(methylamino)ethyl) acetamide; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)-3-fluorophenoxy)-N-(2-(dimethylamino)ethyl) acetamide; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)-N-(2-aminoethyl)acetamide; (R)-2-(4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)propanoic acid;   2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)-3-fluorophenoxy)acetamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-methyl-N-(2-(methylamino)ethyl) benzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl)ethyl)piperazin-1-yl)-N-(2-(dimethylamino)ethyl)-3-fluoro-N-methylbenzamide; (R)-4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl) ethyl)piperazin-1-yl)-N-(1-(dimethylamino) propan-2-yl)-3-fluorobenzamide; 2-(4-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)-3-fluorophenoxy)-N-methyl-N-(2-(methylamino)ethyl) acetamide; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy)-2-methylpropanoic acid; (S)-2-(5-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy) propanoic acid; (R)-2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy) propanoic acid; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy)-N-(2-(methylamino)ethyl) acetamide; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy)-N-(2-(dimethylamino)ethyl) acetamide; 5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-(2-(dimethylamino)ethyl)-2,4-difluoro-N-methylbenzamide; 4-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy) butanoic acid; 3-(2-(4-(5-((1H-tetrazol-5-yl)methoxy)-2,4-difluorophenyl)piperazin-1-yl)ethyl)-5-amino-8-(iuran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-((1-methyl-1H-1,2,4-triazol-3-yl)methoxy) phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-((1-methyl-1H-1,2,4-triazol-3-yl) methoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)-3-fluoro-N-(2-(methyl(oxetan-3-yl)amino)ethyl) benzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(2-((2-hydroxyethyl)amino)ethyl) benzamide; 2-amino-N-(2-(4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c] pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)-3-fluorophenoxy)ethyl) acetamide; (S)-2-amino-N-(2-(4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)ethyl)-3-methylbutanamide; ethyl 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e] [1,2,4]triazolo[1,5-c] pyrimidin-3(2H)-yl) ethyl)piperazin-1-yl)-2,4-difluorophenoxy) acetate; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy) acetonitrile;   5-amino-8-(furan-2-yl)-3-(2-(4-(pyridin-4-yl) piperazin-1-yl)ethyl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-8-(furan-2-yl)-3-(2-(4-(pyrimidin-4-yl)piperazin-1-yl)ethyl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(2-(methylsulfonyl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(2-(methylsulfonyl)ethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(6-fluoro-2-oxoindolin-5-yl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(S-methylsulfonimidoyl)phenyl)piperazin-1- yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-(2-(dimethylamino)ethyl)-2,4-difluorobenzamide; 5-amino-3-(2-(4-(5-fluoro-2-methylpyridin-4-yl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((3R,4R)-4-hydroxytetrahydrofuran-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((3S,4S)-4-hydroxytetrahydrofuran-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(2-hydroxy-2-methylpropoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(2-hydroxypropan-2-yl)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(3,3,3-trifluoro-2-hydroxypropoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-5-(2-hydroxyethoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(morpholin-2-ylmethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(morpholin-3-ylmethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(((3S,4S)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(((3S,4S)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(((3R,4S)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(((3S,4R)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-amino-3-(2-(4-(2,4-difluoro-5-((2-oxopyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R)-5-amino-3-(2-(4-(2,4-difluoro-5-((2-oxopyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 2-(5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluorophenoxy)-N-(2-morpholinoethyl)acetamide;   5-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluoro-N-(morpholin-3-ylmethyl)benzamide; 5-amino-3-(2-(4-(2-fluoro-4-(morpholin-3-ylmethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(morpholin-2-ylmethoxy)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((3R,4R)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((3 S,4S)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((3R,4S)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((3S,4R)-4-fluoropyrrolidin-3-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 2-(4-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3 (2H)-yl)ethyl)piperazin-1-yl)-3-fluorophenoxy)-N-(2-morpholinoethyl)acetamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(2-morpholinoethyl)benzamide; 4-(4-(2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(morpholin-3-ylmethyl)benzamide; 5-amino-3-(2-(4-(4-(azetidin-3-yloxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-amino-3-(2-(4-(2,4-difluoro-5-(methylsulfinyl)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R)-5-amino-3-(2-(4-(2,4-difluoro-5-(methylsulfinyl)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(((1s,4s)-1-oxidotetrahydro-2H-thiopyran-4-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(((1r,4r)-1-oxidotetrahydro-2H-thiopyran-4-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-(4 2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluoro-N-(2-(methylsulfinyl)ethyl)benzamide; (R)-5-(4-(2-(5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluoro-N-(2-(methylsulfinyl)ethyl)benzamide; (S)-5-(4 2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluoro-N-methyl-N-(2-(methylsulfinyl)ethyl)benzamide; (R)-5-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-2,4-difluoro-N-methyl-N-(2-(methylsulfinyl)ethyl)benzamide; 5-amino-3-(2-(4-(2,4-difluoro-5-(1-oxidothiomorpholine-4-carbonyl)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2,4-difluoro-5-(1-oxidothiomorpholino)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R)-5-amino-3-(2-(4-(2-fluoro-4-(methylsulfinyl)phenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-amino-3-(2-(4-(2-fluoro-4-(methylsulfinyl)phenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((1 s,4s)-1-oxidotetrahydro-2H-thiopyran-4-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(((1r,4r)-1-oxidotetrahydro-2H-thiopyran-4-yl)oxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-4-(4 2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(2-(methylsulfinyl)ethyl)benzamide; (R)-4-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-3-fluoro-N-(2-(methylsulfinyl)ethyl)benzamide; 5-amino-3-(2-(4-(2-fluoro-4-(1-oxidothiomorpholine-4-carbonyl)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(2-fluoro-4-(1-oxidothiomorpholino)phenyl)piperazin-1-yl)ethyl)-8-(fiiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-amino-3-(2-(4-(5-(2,3-dihydroxypropoxy)-2,4-difluorophenyl)piperazin-1-yl)ethyl)-8-(ftiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (R)-5-amino-3-(2-(4-(5-(2,3-dihydroxypropoxy)-2,4-difluorophenyl)piperazin-1-yl)ethyl)-8-(ftiran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-(4 2-(5-amino-8-(furan-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-(2,3-dihydroxypropyl)-2,4-difluorobenzamide; (R)-5-(4-(2 5-amino-8-(fliran-2-yl)-2-oxothiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-3(2H)-yl)ethyl)piperazin-1-yl)-N-(2,3-dihydroxypropyl)-2,4-difluorobenzamide; 5-amino-3-(2-(4-(4-(azetidin-3-yloxy)-2-fluorophenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e] [1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; 5-amino-3-(2-(4-(5-(azetidin-3-yloxy)-2,4-difluorophenyl)piperazin-1-yl)ethyl)-8-(i iran-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; (S)-5-amino-3-(2-(4-(2,4-difluoro-5-(3-(methylsulfinyl)propoxy)phenyl)piperazin-1-yl)ethyl)-8-(furan-2-yl)thiazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidin-2(3H)-one; and pharmaceutically acceptable salts or solvates thereof.   
     
     
         9 . A pharmaceutical composition comprising a compound of  claim 1 , or a pharmaceutically acceptable salt or solvate thereof, and at least one pharmaceutically acceptable carrier. 
     
     
         10 . Medicament comprising a compound according to  claim 1 , or a pharmaceutically acceptable salt or solvate thereof. 
     
     
         11 . A compound of  claim 1 , or a pharmaceutically acceptable salt or solvate thereof, for use in the treatment and/or prevention of cancer. 
     
     
         12 . The compound for use according to  claim 11 , wherein the cancer is selected from breast, carcinoid, cervical, colorectal, endometrial, glioma, head and neck, liver, lung, melanoma, ovarian, pancreatic, prostate, renal, gastric, thyroid and urothelial cancers. 
     
     
         13 . A compound according to  claim 1 , or a pharmaceutically acceptable salt or solvate thereof, for use as A2A inhibitor. 
     
     
         14 . Process for manufacturing a compound of Formula (Ia) according to  claim 2 , or a pharmaceutically acceptable salt or solvate thereof, characterized in that it comprises the coupling between amine intermediate of Formula (A) 
       
         
           
           
               
               
           
         
         and intermediate of Formula (B) 
       
       
         
           
           
               
               
           
         
         wherein Y represents halo, alkylsulfonyloxy having 1 to 6 carbon atoms or arylsulfonyloxy having 6 to 10 carbon atoms. 
       
     
     
         15 . A method for modulating A2A activity comprising administering the compound of  claim 1  to a subject in need thereof. 
     
     
         16 . A method for treating cancer comprising administering to a subject in need thereof a compound of Formula (I) 
       
         
           
           
               
               
           
         
         or a pharmaceutically acceptable salt or solvate thereof, wherein: 
         R 1  represents 5- or 6-membered heteroaryl or 5- or 6-membered aryl, wherein heteroaryl or aryl groups are optionally substituted by one or more substituent selected from C 1 -C 6  alkyl and halo; 
         R 2  represents 6-membered aryl or 6-membered heteroaryl, wherein heteroaryl or aryl groups are optionally substituted by one or more substituent selected from halo, alkyl, heterocyclyl, alkoxy, cycloalkyloxy, heterocyclyloxy, carbonyl, alkylcarbonyl, aminocarbonyl, hydroxycarbonyl, heterocyclylcarbonyl, alkylsulfoxide, alkylsulfonyl, aminosulfonyl, heterocyclylsulfonyl, alkylsulfonimidoyl, carbonylamino, sulfonylamino and alkylsulfonealkyl;
 said substituents being optionally substituted by one or more substituent selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, aminocarbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)amino carbonyl, alkylamino alkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl; 
 or the heteroaryl or aryl groups are optionally substituted with two substituents that form together with the atoms to which they are attached a 5- or 6-membered aryl ring, a 5- or 6-membered heteroaryl ring, a 5- or 6-membered cycloalkyl ring or a 5- or 6-membered heterocyclyl ring; each of which may be optionally substituted by one or more substituent selected from oxo, halo, hydroxy, cyano, alkyl, alkenyl, aldehyde, heterocyclylalkyl, hydroxyalkyl, dihydroxyalkyl, hydroxyalkylaminoalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, (heterocyclyl)(alkyl)aminoalkyl, heterocyclyl, heteroaryl, alkylheteroaryl, alkyne, alkoxy, amino, dialkylamino, aminoalkylcarbonylamino, aminocarbonylalkylamino, (aminocarbonylalkyl)(alkyl)amino, alkenylcarbonylamino, hydroxycarbonyl, alkyloxycarbonyl, amino carbonyl, aminoalkylaminocarbonyl, alkylaminoalkylaminocarbonyl, dialkylaminoalkylaminocarbonyl, heterocyclylalkylaminocarbonyl, (alkylaminoalkyl)(alkyl)amino carbonyl, alkylamino alkylcarbonyl, dialkylaminoalkylcarbonyl, heterocyclylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, alkylsulfoxide, alkylsulfoxidealkyl, alkylsulfonyl and alkylsulfonealkyl. 
 
       
     
     
         17 . A method for treating cancer, comprising administering to a patient in need thereof the compound according to  claim 2 . 
     
     
         18 . A method for treating cancer, comprising administering to a patient in need thereof the compound according to  claim 8 . 
     
     
         19 . A method for modulating A2A activity, comprising administering to a patient in need thereof the compound according to  claim 8 .