US2017137463A1PendingUtilityA1
Hcv protease inhibitors and uses thereof
Est. expiryDec 21, 2027(~1.4 yrs left)· nominal 20-yr term from priority
C07K 5/0804C07K 5/0202C12N 9/99C07K 5/081C12N 9/506C07K 5/0812C07K 5/0806C07K 5/0815C07K 5/06165C07K 5/0808C12N 9/96A61K 38/00A61P 31/14C07K 5/0821A61P 31/12
60
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Claims
Abstract
The present invention provides compounds, pharmaceutically acceptable compositions thereof, and methods of using the same.
Claims
exact text as granted — not AI-modified1 - 47 . (canceled)
48 . A method comprising the step of reacting a compound of formula M:
wherein:
R 1 and R 1′ are independently hydrogen or optionally substituted C 1-6 aliphatic, or R 1 and R 1′ are taken together to form an optionally substituted 3-7 membered carbocyclic ring;
R 3 is -L-Y, wherein -L-Y is selected from the following:
(l) L is a covalent bond and Y is selected from:
(i) —CH 2 F, —CH 2 Cl, —CH 2 CN, or —CH 2 NO 2 ; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
or
(m) L is —C(O)— and Y is selected from:
(i) C 1-6 alkyl substituted with oxo, halogen, NO 2 , or CN; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
or
(n) L is —N(R)C(O)— and Y is selected from:
(i) C 1-6 alkyl substituted with oxo, halogen, NO 2 , or CN; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
or
(o) L is a bivalent C 1-8 saturated, straight or branched, hydrocarbon chain; and Y is selected from:
(i) —CH 2 F, —CH 2 Cl, —CH 2 CN, or —CH 2 NO 2 ; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
or
(p) L is a covalent bond, —CH 2 —, —NH—, —C(O)—, —CH 2 NH—, —NHCH 2 —, —NHC(O)—, —NHC(O)CH 2 OC(O)—, —CH 2 NHC(O)—, —NHSO 2 —, —NHSO 2 CH 2 —, or —SO 2 NH—; and Y is selected from:
(i) —CH 2 F, —CH 2 Cl, —CH 2 CN, or —CH 2 NO 2 ; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
or
(q) -L-Y is selected from:
or
each R e is independently selected from -Q-Z, oxo, NO 2 , halogen, CN, a suitable leaving group, or a C 1-6 aliphatic substituted with oxo, halogen, NO 2 , or CN, wherein:
Q is a bivalent C 2-6 unsaturated, straight or branched, hydrocarbon chain, wherein one or two methylene units of Q are optionally and independently replaced by —N(R)—, —S—, —O—, —C(O)—, —OC(O)—, —C(O)O—, —SO—, —SO 2 —, —N(R)C(O)—, —C(O)N(R)—, —N(R)SO 2 —, or —SO 2 N(R)—; and
Z is hydrogen or C 1-6 aliphatic substituted with oxo, halogen, NO 2 , or CN; or
or R 3 and R 1 are taken together with their intervening atoms to form an optionally substituted saturated or unsaturated 12-18 membered ring having 2-6 heteroatoms independently selected from nitrogen oxygen, or sulfur, wherein the ring formed thereby comprises -L-Y; or
R 3 and a ring formed by R 1 and R 1′ are taken together with their intervening atoms to form an optionally substituted saturated or unsaturated 12-18 membered ring having 2-6 heteroatoms independently selected from nitrogen oxygen, or sulfur, wherein the ring formed thereby comprises -L-Y;
R 4 is H, —NHC(O)R 5 , —NHC(O)OR 6 ,
or a natural or unnatural amino acid side-chain group;
each R 5 is independently —N(R) 2 or an optionally substituted group selected from C 1-6 aliphatic, a bridged bicyclic, 6-10 membered aryl, 5-10 membered heteroaryl having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or 4-7 membered heterocyclyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
R 6 is an optionally substituted group selected from C 1-6 aliphatic, a bridged bicyclic, 6-10 membered aryl, 5-10 membered heteroaryl having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or 4-7 membered heterocyclyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
R 7 is an optionally substituted group selected from C 1-6 aliphatic, a bridged bicyclic, 6-10 membered aryl, 5-10 membered heteroaryl having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or 4-7 membered heterocyclyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
R z is
or R 4 and R z are taken together with their intervening atoms to form an optionally substituted, saturated or unsaturated 16-22 membered ring having 2-6 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
each occurrence of R y is independently selected from halogen, —OR ◯ , —CN, —NO 2 , —N(R ◯ ) 2 , or optionally substituted C 1-4 aliphatic;
each R ◯ is independently optionally substituted C 1-6 aliphatic;
m is an integer from 0 to 4, inclusive;
s is an integer from 0 to 4, inclusive;
t is an integer from 0 to 4, inclusive; and
wherein the sum of s and t is non-zero;
with a sulfonamide of formula E:
wherein
R 2 is —N(R) 2 or an optionally substituted group selected from C 3-7 cycloalkyl, a bridged bicyclic, 6-10 membered aryl, 5-10 membered heteroaryl having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or 4-7 membered heterocyclyl having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
each R is independently hydrogen, optionally substituted C 1-6 aliphatic, or:
two R on the same nitrogen atom are taken together with the nitrogen to form a 4-7 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur;
to provide a compound of formula I:
49 . The method of claim 48 , further comprising the step of hydrolyzing an ester of formula L:
to provide a compound of formula M:
50 . The method of claim 49 , further comprising the step of deprotecting a compound of formula K:
wherein -PG is a suitable amino protecting group;
to provide a compound of formula L:
wherein R 4 is —NHC(O)R 5 , —NHC(O)OR 6 , or
51 . The method of claim 50 , further comprising the step of reacting an amino acid of formula H:
with an amine of formula J:
to provide a compound of formula K:
52 . The method of claim 51 , further comprising the step of deprotecting a compound of formula C:
wherein -PG is a suitable amino protecting group;
to provide a compound of formula J:
53 . The method of claim 49 , further comprising the step of performing ring closing metathesis to provide an ester of formula L:
wherein R 4 and R z are taken together with their intervening atoms to form an optionally substituted, saturated or unsaturated 16-22 membered ring having 2-6 heteroatoms independently selected from nitrogen, oxygen, or sulfur.
54 . The method according to claim 48 , wherein:
(l) L is a covalent bond and Y is selected from:
(i) —CH 2 F, —CH 2 Cl, —CH 2 CN, or —CH 2 NO 2 ; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
55 . The method according to claim 48 , wherein
(m) L is —C(O)— and Y is selected from:
(i) C 1-6 alkyl substituted with oxo, halogen, NO 2 , or CN; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
56 . The method according to claim 48 , wherein (n) L is —N(R)C(O)— and Y is selected from:
(i) C 1-6 alkyl substituted with oxo, halogen, NO 2 , or CN; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
57 . The method according to claim 48 , wherein
(o) L is a bivalent C 1-8 saturated, straight or branched, hydrocarbon chain; and Y is selected from:
(i) —CH 2 F, —CH 2 Cl, —CH 2 CN, or —CH 2 NO 2 ; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
or
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
58 . The method according to claim 48 , wherein:
L is a covalent bond, —C(O)—, —N(R)C(O)—, —NH—, —CH 2 NH—, —NHCH 2 —, —NHC(O)CH 2 OC(O)—, —CH 2 NHC(O)—, —NHSO 2 —, —NHSO 2 CH 2 —, —SO 2 NH—, or a bivalent C 1-8 saturated, straight or branched, hydrocarbon chain; and Y is selected from the following:
(i) —CH 2 F, —CH 2 Cl, —CH 2 CN, or —CH 2 NO 2 ; or
(iii) C 2-6 alkynyl optionally substituted with oxo, halogen, NO 2 , or CN; or
(iv) a saturated 3-4 membered heterocyclic ring having 1 heteroatom selected from oxygen or nitrogen wherein said ring is substituted with 1-2 R e groups; or
(v) a saturated 5-6 membered heterocyclic ring having 1-2 heteroatoms selected from oxygen or nitrogen wherein said ring is substituted with 1-4 R e groups; or
(vi)
or
(vii) a saturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(viii) a partially unsaturated 3-6 membered monocyclic ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(ix) a partially unsaturated 3-6 membered carbocyclic ring, wherein said ring is substituted with 1-4 R e groups; or
(x)
or
(xi) a partially unsaturated 4-6 membered heterocyclic ring having 1-2 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xii)
or
(xiii) a 6-membered aromatic ring having 0-2 nitrogens wherein said ring is substituted with 1-4 R e groups; or
(xiv)
or
(xv) a 5-membered heteroaryl ring having 1-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-3 R e groups; or
(xvi)
(xvii) an 8-10 membered bicyclic, saturated, partially unsaturated, or aryl ring having 0-3 heteroatoms independently selected from nitrogen, oxygen, or sulfur, wherein said ring is substituted with 1-4 R e groups; or
(xviii)
59 . The method according to claim 58 , wherein L is a covalent bond, —CH 2 —, —NH—, —C(O)—, —CH 2 NH—, —NHCH 2 —, —NHC(O)—, —NHC(O)CH 2 OC(O)—, —CH 2 NHC(O)—, —NHSO 2 —, —NHSO 2 CH 2 —, or —SO 2 NH—.
60 . The method according to claim 48 , wherein Y is selected from:
wherein each R e is independently selected from halogen.
61 . The method according to claim 48 , wherein R 3 is selected from:
wherein each R e is independently a suitable leaving group, NO 2 , CN, or oxo.
62 . The method of claim 49 , wherein the R group of the depicted ester moiety of formula L is C 1-6 aliphatic.
63 . The method of claim 50 , wherein the step of deprotection comprises a suitable base.
64 . The method of claim 63 , wherein a suitable base is an alkaline metal, alkaline earth metal hydroxide, or combination thereof.
65 . The method of claim 50 , further comprising a neutralizing step following hydrolysis.
66 . The method of claim 52 , wherein the protecting group is a Boc group.
67 . The method of claim 52 , wherein the protecting group is removed under acid-catalyzed conditions.Join the waitlist — get patent alerts
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