US 7,332,497 B2
Pyrazolopyrimidines as therapeutic agents
Gavin C. Hirst, Marlborough, Mass. (US); Paul Rafferty, Westborough, Mass. (US); Kurt Ritter, Frankfurt (Germany); David Calderwood, Framingham, Mass. (US); Neil Wishart, Holden, Mass. (US); Lee D. Arnold, Westborough, Mass. (US); and Michael M. Friedman, Newton, Mass. (US)
Assigned to Abbott GmbH & Co KG, Wiesbaden (Germany)
Filed on Mar. 22, 2002, as Appl. No. 10/104,140.
Claims priority of provisional application 60/278047, filed on Mar. 22, 2001.
Prior Publication US 2004/0006083 A1, Jan. 08, 2004
This patent is subject to a terminal disclaimer.
Int. Cl. C07D 487/04 (2006.01); A61K 31/519 (2006.01)
U.S. Cl. 514—262.1  [544/262] 24 Claims
 
1. A compound of Formula (I)

OG Complex Work Unit Drawing
racemic-diastereomeric mixtures, optical isomers or pharmaceutically-acceptable salts thereof wherein:

OG Complex Work Unit Drawing
where Z100 is

OG Complex Work Unit Drawing
or a group optionally substituted with R1 selected from the group consisting of alkyl, cycloalkyl, pyrrolidinyl, quinolinyl, quinoxalinyl, quinazolinyl, isoquinolinyl, phthalazinyl, imidazo[1,2-a]pyrimidinyl, 1H-imidazo[1,2-a]imidazolyl, imidazo[2,1-b][1,3]thiazolyl, naphthyl, tetrahydronaphthyl, benzothienyl, furanyl, thienyl, benzoxazolyl, benzoisoxazolyl, benzothiazolyl,

OG Complex Work Unit Drawing
thiazolyl, benzofuranyl, 2,3-dihydrobenzofuranyl, indolyl, isoxazolyl, tetrahydropyranyl, tetrahydrofuranyl, piperidinyl, pyrazolyl, pyrrolyl, pyrrolopyridinyl, H-pyridinone, oxazolyl, isothiazolyl, oxadiazolyl, thiadiazolyl, indolinyl, indazolyl, imidazo[1,2-a]pyridinyl, benzoisothiazolyl, 1,1-dioxybenzoisothiazolyl, pyrido-oxazolyl, pyrido-thiazolyl, pyrimido-oxazolyl, pyrimido-thiazolyl and benzimidazolyl;
Z110 is a covalent bond, or an optionally substituted (C1-C6) which is optionally substituted with one or more substituents selected from the group consisting of alkyl, CN, OH, halogen, NO2, COOH, substituted or unsubstituted amino and substituted or unsubstituted phenyl;
Z111 is a covalent bond, an optionally substituted (C1-C6) or an optionally substituted—(CH2)n-cycloalkyl-(CH2)n—; where the optionally substituted groups are optionally substituted with one or more substituents selected from the group consisting of alkyl, CN, OH, halogen, NO2, COOH, substituted or unsubstituted amino and substituted or unsubstituted phenyl;
Ra and R1 each represent one or more substituents for each occurrence independently selected from the group consisting of hydrogen, halogen, —CN, —NO2, —C(O)OH, —C(O)H, —OH, —C(O)O-alkyl, —C(O)O-aryl, —C(O)O-heteroaryl, —C(O)-alkyl, —C(O)-aryl, —C(O)-heteroaryl, substituted or unsubstituted carboxamido, tetrazolyl, trifluoromethylcarbonylamino, trifluoromethylsulfonamido, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkoxy, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted alkenyl, substituted or unsubstituted aryloxy, substituted or unsubstituted heteroaryloxy, substituted or unsubstituted heteroarylalkoxy, substituted or unsubstituted arylalkoxy, substituted or unsubstituted alkyl-S(O)p—, substituted or unsubstituted alkyl-S—, substituted or unsubstituted aryl-S(O)p—, substituted or unsubstituted heteroaryl-S(O)p—, substituted or unsubstituted arylalkyl, substituted or unsubstituted heteroarylalkyl, substituted or unsubstituted cycloalkylalkyl, substituted or unsubstituted alkynyl, substituted or unsubstituted amino, substituted or unsubstituted aminoalkyl, substituted or unsubstituted amido groups, substituted or unsubstituted heteroarylthio, substituted or unsubstituted arylthio, -Z105-C(O)N(R)2, -Z105-N(R)—C(O)-Z200, -Z105-N(R)—S(O)2-Z200, -Z105-N(R)—C(O)—N(R)-Z200, Rc and CH2ORc;
where Rc for each occurrence is independently hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, —CH2—NRdRe, —W—(CH2)t—NRdRe, —W—(CH2)t—O-alkyl, —W—(CH2)t—S-alkyl, or —W—(CH2)t—OH;
Z105 for each occurrence is independently a covalent bond or (C1-C6);
Z200 for each occurrence is independently a substituted or unsubstituted (C1-C6), substituted or unsubstituted phenyl or substituted or unsubstituted —(C1-C6)-phenyl;
Rd and Re for each occurrence are independently H, alkyl, alkanoyl or SO2-alkyl; or Rd, Re and the nitrogen atom to which they are attached together form a five- or six-membered heterocyclic ring;
t for each occurrence is independently an integer from 2 to 6;
W for each occurrence is independently a direct bond or O, S, S(O), S(O)2, or NRf, wherein Rf for each occurrence is independently H or alkyl; or
R1 is a substituted or unsubstituted carbocyclic or heterocyclic ring fused with ring 2;
R3 for each occurrence is, independently, hydrogen, hydroxy, substituted or unsubstituted alkyl, substituted or unsubstituted —C(O)-alkyl, a substituted or unsubstituted —C(O)-aryl, or a substituted or unsubstituted —C(O)-heteroaryl or substituted or unsubstituted alkoxy;
A is —(C1-C6)—, —O—; —S—; —S(O)p—; —N(R)—; —N(C(O)OR)—; —N(C(O)R)—; —N(SO2R)—; —CH2O—; —CH2S—; —CH2N(R)—; —CH(NR)—; —CH2N(C(O)R))—; —CH2N(C(O)OR)—; —CH2N(SO2R)—; —CH(NHR)—; —CH(NHC(O)R)—; —CH(NHSO2R)—; —CH(NHC(O)OR)—; —CH(OC(O)R)—; —CH(OC(O)NHR)—; —CH═CH—; —C(═NOR)—; —C(O)—; —CH(OR)—; —C(O)N(R)—; —N(R)C(O)—; —N(R)S(O)p—; —OC(O)N(R)—; —N(R)—C(O)—(CH2)n—N(R)—, —N(R)C(O)O—; —N(R)—(CH2)n+1—C(O)—, —S(O)pN(R)—; —O—(CR2)n+1—C(O)—, —O—(CR2)n+1—O—, —N(C(O)R)S(O)p—; —N(R)S(O)pN(R)—; —N(R)—C(O)—(CH2)n—O—, —C(O)N(R)C(O)—; —S(O)pN(R)C(O)—; —OS(O)pN(R)—; —N(R)S(O)pO—; —N(R)S(O)pC(O)—; —SOpN(C(O)R)—; —N(R)SOpN(R)—; —C(O)O—; —N(R)P(ORb)O—; —N(R)P(ORb)—; —N(R)P(O)(ORb)O—; —N(R)P(O)(ORb)—; —N(C(O)R)P(ORb)O—; —N(C(O)R)P(ORb)—; —N(C(O)R)P(O)(ORb)O—, or —N(C(O)R)P(ORb)—;
where R for each occurrence is independently H, substituted or unsubstituted alkyl, substituted or unsubstituted arylalkyl or substituted or unsubstituted aryl;
Rb for each occurrence is independently H, substituted or unsubstituted alkyl, substituted or unsubstituted arylalkyl, substituted or unsubstituted cycloalkyl or substituted or unsubstituted aryl;
p is 1 or 2; or
in a phosphorus containing group, the nitrogen atom, the phosphorus atom, R and Rb together form a five- or six-membered heterocyclic ring; or
A is NRSO2 and R, Ra and the nitrogen atom together form a substituted or unsubstituted five or -six-membered heterocyclic ring fused to ring 1; or
Z110-A-Z111 taken together is a covalent bond; and
R2 is a) hydrogen; b) substituted or unsubstituted trityl; c) substituted or unsubstituted cycloalkenyl; d) azaheteroaryl substituted with a substituted or unsubstituted alkyl; e) azacycloalkyl which is substituted with one or more substituents selected from substituted or unsubstituted —(C1-C6)-alkyl, substituted or unsubstituted —C1-C6-alkyl-OR, substituted or unsubstituted —C(O)—C1-C6-alkyl-N(R)2, substituted or unsubstituted —C1-C6-alkyl-N(R)2, substituted or unsubstituted —C1-C6-alkyl-cycloalkyl, substituted or unsubstituted tetrahydrothienyl, and substituted or unsubstituted tetrahydrothiopyranyl; or f) a group of the formula

OG Complex Work Unit Drawing
wherein E1 is piperidinyl, piperazinyl, imidazolyl, morpholinyl, pyrrolidinyl, amino, amido, or tetrahydrothiazolyl, and wherein E is optionally substituted with one or more substituents selected from -C0-C6-alkyl-OR, —C1-C6-alkyl-C(O)OR, —C1-C6-alkyl-heteroaryl, —C1-C6-alkyl-heterocycloalkyl, and —C1-C6-alkyl-N(R)2;
a is 1 and D1, G1, J1, L1 and M1 are each independently selected from the group consisting of CRa and N, provided that at least two of D1, G1, J1, L1 and M1 are CRa; or
a is 0, and one of D1, G1, L1 and M1 is NRa, one of D1, G1, L1 and M1 is CRa and the remainder are independently selected from the group consisting of CRa and N, wherein Ra is as defined above;
b is 1 and D2, G2, J2, L2 and M2 are each independently selected from the group consisting of CRa and N, provided that at least two of D2, G2, J2, L2 and M2 are CRa; or
b is 0, and one of D2, G2, L2 and M2 is NRa, one of D2, G2, L2 and M2 is CRa and the remainder are independently selected from the group consisting of CRa and N, wherein Ra is as defined above; and
n for each occurrence is independently an integer from 0 to 6;
provided that when Z110-A-Z111 taken together are a covalent bond, then Z100 is not alkyl; and
provided that when Z110-A-Z111 taken together are a C1-C6 alkyl, then Z100 is not phenyl, pyrrolyl, imidazolyl, pyrazolyl, pyridinyl, pyrimidinyl, pyrazinyl, pyridazinyl, furyl or thienyl.