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US 7,022,849 B2Granted
Quinazoline and pyrido[2,3-d]pyrimidine inhibitors of phosphodiesterase (PDE) 7
AssigneeBristol-Myers Squibb Company
InventorsWilliam J. Pitts, Joseph Barbosa
Life of this patent
Estimating the term…
Abstract
Quinazoline and pyrido[2,3-d]pyrimidine phosphodiesterase 7 (PDE 7) inhibitors of the following formula wherein R1, R2, L, Y1, Y2, Y3 and Z are as described herein, are provided which are useful in treating T-cell mediated diseases.
Claims21
A compound of Formula I
- wherein
- R1 is H or alkyl;
- R2 is
- (a) heteroaryl or heterocyclo, either of which may be optionally substituted with one to three groups T1, T2, T3;
- or
- (b) aryl fused to a heteroaryl or heterocyclo ring wherein the combined ring system may be optionally substituted with one to three groups T1, T2, T3;
- L is
- (a) —OR4, —C(O)R4, —C(O)OR4, —SR4, —NR3R4, —C(O)NR3R4, —NR3SO2R4b halogen, nitro, or haloalkyl;
- or
- (b) alkyl, aryl, heteroaryl, heterocyclo, or cycloalkyl any of which may be optionally substituted with one to three groups T1a, T2a and/or T3a;
- Y1, Y2 and Y3 are independently
- (a) hydrogen, halo, or —OR4a;
- or
- (b) alkyl, alkenyl, or alkynyl, any of which may be optionally substituted with one to three groups T1b, T2b and/or T3b;
- R3 and R4 are independently H, alkyl, alkenyl, aryl, (aryl)alkyl, heteroaryl, (heteroaryl)alkyl, cycloalkyl, (cycloalkyl)alkyl, heterocylo, or (heterocyclo)alkyl, any of which may be optionally substituted with one to three groups T1a, T2a and/or T3a;
- or R3 and R4 together with the nitrogen atom to which they are attached may combine to form a 4- to 8-membered heterocyclo ring optionally substituted with one to three groups T1a, T2a and/or T3a;
- R4a is hydrogen, alkyl, alkenyl, aryl, heteroaryl, (aryl)alkyl, (heteroaryl)alkyl, heterocylo, (heterocyclo)alkyl, cycloalkyl, or (cycloalkyl)alkyl, any of which may be optionally substituted with one to three groups T1b, T2b and/or T3b;
- R4b is alkyl, alkenyl, aryl, (aryl)alkyl, heteroaryl, (heteroaryl)alkyl, cycloalkyl, (cycloalkyl)alkyl, heterocylo, or (heterocyclo)alkyl, any of which may be optionally substituted with one to three groups T1a, T2a and/or T3a;
- Z is CH;
- T1-1b, T2-2b, and T3-3b are are each independently
- (1) hydrogen or T6, where T6 is
- (i) alkyl, (hydroxy)alkyl, (alkoxy)alkyl, alkenyl, alkynyl, cycloalkyl, (cycloalkyl)alkyl, cycloalkenyl, (cycloalkenyl)alkyl, aryl, (aryl)alkyl, heterocyclo, (heterocylco)alkyl, heteroaryl, or (heteroaryl)alkyl;
- (ii) a group (i) which is itself substituted by one or more of the same or different groups (i);
- or
- (iii) a group (i) or (ii) which is independently substituted by one or more of the following groups (2) to (13) of the definition of T1-1b, T2-2b and T3-3b,
- (2) —OH or —OT6,
- (3) —SH or —ST6,
- (4) —C(O)tH, —C(O)tT6, or —O—C(O)T6, where t is 1 or 2;
- (5) —SO3H, —S(O)tT6, or S(O)tN(T9)T6,
- (6) halo,
- (7) cyano,
- (8) nitro,
- (9) -T4-NT7T8,
- (10) -T4-N(T9)-T5-NT7T8,
- (11) -T4-N(T10)-T5-T6,
- (12) -T4-N(T10)-T5-H,
- (13) oxo,
- T4 and T5 are each independently
- (1) a single bond,
- (2) -T11-S(O)t-T12-,
- (3) -T11-C(O)-T12-,
- (4) -T11-C(S)-T12-,
- (5) -T11-O-T12-,
- (6) -T11-S-T12-,
- (7) -T11-O—C(O)-T12-,
- (8) -T11-C(O)—O-T12-,
- (9) -T11-C(═NT9a)-T12-, or
- (10) -T11-C(O)—C(O)-T12-;
- T7, T8, T9, T9a and T10
- (1) are each independently hydrogen or a group provided in the definition of T6, or
- (2) T7 and T8 may together be alkylene or alkenylene, completing a 3- to 8-membered saturated or unsaturated ring together with the atoms to which they are attached, which ring is unsubstituted or substituted with one or more groups listed in the description of T1-1b, T2-2b and T3-3b, or
- (3) T7 or T8, together with T9, may be alkylene or alkenylene completing a 3- to 8-membered saturated or unsaturated ring together with the nitrogen atoms to which they are attached, which ring is unsubstituted or substituted with one or more groups listed in the description of T1-1b, T2-2b and T3-3b, or
- (4) T7 and T8 or T9 and T10 together with the nitrogen atom to which they are attached may combine to form a group —N═CT13T14 where T13 and T14 are each independently H or a group provided in the definition of T6;
- and
- T11 and T12 are each independently
- (1) a single bond,
- (2) alkylene,
- (3) alkenylene, or
- (4) alkynylene
- provided said compound is other than
57 more elements
Dependencies are inferred from the claim text.