US2020291040A1PendingUtilityA1
PROCESSES FOR THE PREPARATION OF (3S,4R)-3-ETHYL-4-(3H-IMIDAZO[1,2-a]PYRROLO[2,3-e]-PYRAZIN-8-YL)-N-(2,2,2-TRIFLUOROETHYL)PYRROLIDINE-1-CARBOXAMIDE AND SOLID STATE FORMS THEREOF
Est. expiryOct 16, 2035(~9.2 yrs left)· nominal 20-yr term from priority
Inventors:Ayman AllianJayanthy JayanthMohamed-Eslam F. MohamedMathew M. MulhernFredrik Lars NordstromAhmed A. OthmanMichael J. RozemaLakshmi BhagavatulaPatrick J. MarroumPeter T. MayerAhmad Y. SheikhThomas B. BorchardtBen Klünder
C07B 2200/13A61P 29/00A61P 37/00A61P 17/14A61P 17/06A61P 1/00A61P 19/02A61K 9/2013A61K 9/2054C07D 487/04A61K 47/12A61K 31/4985C07D 487/14A61P 37/02A61P 7/00A61P 43/00A61P 37/08A61P 35/00A61P 17/00A61P 1/04A61K 47/38A61K 9/0053A61K 47/02
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Claims
Abstract
The present disclosure relates to processes for preparing (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, solid state forms thereof, and corresponding pharmaceutical compositions, methods of treatment (including treatment of rheumatoid arthritis), kits, methods of synthesis, and products-by-process.
Claims
exact text as granted — not AI-modified1 - 116 . (canceled)
117 . A solid state form of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, wherein the solid state form is selected from the group consisting of:
a) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; b) a crystalline hemihydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; c) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 13.4±0.2, 15.1±0.2, and 21.7±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation; d) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide wherein the crystalline hydrate has at least one characteristic selected from the group consisting of:
i) an X-ray powder diffraction pattern substantially as shown in FIG. 3C ;
ii) a thermogravimetric analysis profile substantially as shown in FIG. 4E ;
iii) a differential scanning calorimetry profile substantially as shown in FIG. 5C ;
iv) a moisture sorption isotherm profile substantially as shown in FIG. 6B ;
v) an orthorhombic lattice type that has a P212121 space group, a unit cell a value of about 12.7 Å, a unit cell b value of about 13.1 Å, and a unit cell c value of about 22.6 Å; and
vi) any combination of i) to v);
e) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 3.1±0.2, 9.3±0.2, and 12.0±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation; f) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, wherein the crystalline hydrate has at least one characteristic selected from the group consisting of:
vii) an X-ray powder diffraction pattern substantially as shown in FIG. 3B ;
viii) a thermogravimetric analysis profile substantially as shown in FIG. 4D ;
ix) a differential scanning calorimetry profile substantially as shown in FIG. 5B ; and
x) any combination of vii) to ix);
g) amorphous freebase (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; h) a crystalline anhydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; i) a crystalline anhydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 8.0±0.2, 9.7±0.2, 14.2±0.2, 14.5±0.2, and 20.3±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation; j) a crystalline anhydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, wherein the crystalline anhydrate has at least one characteristic selected from the group consisting of:
xi) an X-ray powder diffraction pattern substantially as shown in FIG. 3J ;
xii) a thermogravimetric analysis profile substantially as shown in FIG. 4I ;
xiii) a differential scanning calorimetry profile substantially as shown in FIG. 5E ;
xiv) a moisture sorption isotherm profile substantially as shown in FIG. 6D ;
xv) an orthorhombic lattice type that has a P21212 space group, a unit cell a value of about 43.8 Å, a unit cell b value of about 8.6 Å, and a unit cell c value of about 9.2 Å; and
xvi) any combination of xi) to xv);
k) a crystalline tartrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; l) a crystalline tartrate tetrahydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; m) a crystalline tartrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 3.9±0.2, 6.8±0.2, and 14.1±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation; and n) a crystalline tartrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, wherein the crystalline tartrate has at least one characteristic selected from the group consisting of xvii) an X-ray powder diffraction pattern substantially as shown in FIG. 3D ;
xviii) a thermogravimetric analysis profile substantially as shown in FIG. 4F ;
xix) a differential scanning calorimetry profile substantially as shown in FIG. 5D ;
xx) a moisture sorption isotherm profile substantially as shown in FIG. 6C ; and
xxi) any combination of xvii) to xx).
118 . A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a solid state form of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, wherein the solid state form is a solid state form of claim 117 .
119 . The pharmaceutical composition of claim 118 , wherein greater than about 90% by weight of the (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide in the composition is selected from the group consisting of:
a) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)-pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 13.4±0.2, 15.1±0.2, and 21.7±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation; b) a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)-pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 3.1±0.2, 9.3±0.2, and 12.0±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation; c) amorphous freebase (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide; and d) a crystalline anhydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)-pyrrolidine-1-carboxamide having an X-ray powder diffraction pattern characterized by peaks at 8.0±0.2, 9.7±0.2, 14.2±0.2, 14.5±0.2, and 20.3±0.2 degrees two theta when measured at about 25° C. with monochromatic Kα1 radiation.
120 . A process for preparing (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide, or a pharmaceutically acceptable salt thereof, the process comprising:
a) reacting a compound of formula (Ib)
with trimethylsulfoxonium chloride in the presence of carbonyldiimidazole and a strong base to form a compound of formula (IIa)
wherein Cbz is carboxybenzyl;
b) contacting the compound of formula (IIa) with lithium bromide and a sulfonic acid to form a compound of formula (IIIa)
c) reacting the compound of formula (IIIa) with a compound of formula (IVa)
in the presence of lithium tert-butoxide to produce a compound of formula (Va)
wherein R2 is methyl or ethyl, and Ts is tosyl;
d) contacting the compound of formula (Va) with a perfluoro acid anhydride and an organic base to form a compound of formula (VIa)
e) deprotecting the compound of formula (VIa) to form a compound of formula (VII)
f) contacting the compound of formula (VII) with hydrochloric acid to form a compound of formula (VIIa)
and
g) reacting the compound of formula (VIIa) with 2,2,2-trifluoroethylamine in the presence of carbonyldiimidazole to produce (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide.
121 . The process of claim 120 , wherein:
the strong base of step a) is potassium tert-butoxide; the sulfonic acid of step b) is selected from the group consisting of methanesulfonic acid and p-toulenesulfonic acid; the perfluoro acid anhydride of step d) is trifluoroacetic anhydride; the organic base of step d) is pyridine; the compound of formula (VIa) is deprotected using hydrogen gas and Pd(OH 2 )/C; and the reaction of step g) is conducted in the presence of dipotassium phosphate and potassium hydroxide.
122 . An extended release formulation comprising a therapeutically effective amount of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide (Compound 1) or a pharmaceutically acceptable salt thereof, or a crystalline hydrate or a crystalline anhydrate of Compound 1, a release control polymer, and a pH modifier.
123 . The extended release formulation of claim 122 , wherein the pH modifier comprises about 20 w/w % of tartaric acid.
124 . The extended release formulation of claim 122 , wherein the release control polymer comprises hydroxypropylmethyl cellulose.
125 . The extended release formulation of claim 122 , wherein the therapeutically effective amount of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide (Compound 1) or a pharmaceutically acceptable salt thereof, or a crystalline hydrate or a crystalline anhydrate of Compound 1 is in an amount sufficient to deliver about 7.5 mg, 15 mg, 30 mg, or 45 mg of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide freebase equivalent.
126 . The extended release formulation of claim 122 , wherein the extended release formulation is administered once daily.
127 . The extended release formulation of claim 125 , wherein the extended release formulation comprises a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide in an amount sufficient to deliver about 15 mg of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide freebase equivalent, wherein the release control polymer comprises hydroxypropylmethyl cellulose, wherein the pH modifier comprises about 20 w/w % of tartaric acid, and wherein the crystalline hydrate is Freebase Hydrate Form C.
128 . The extended release formulation of claim 125 , wherein the extended release formulation comprises a crystalline hydrate of (3 S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide in an amount sufficient to deliver about 30 mg of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide freebase equivalent, wherein the release control polymer comprises hydroxypropylmethyl cellulose, wherein the pH modifier comprises about 20 w/w % of tartaric acid, and wherein the crystalline hydrate is Freebase Hydrate Form C.Join the waitlist — get patent alerts
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