Indazolyl-substituted pyrroline compounds as kinase inhibitors

• US 7,304,060 B2
• Filed: 07/06/2004
• Issued: 12/04/2007
• Est. Priority Date: 12/08/2000
• Status: Expired due to Fees

• Current Assignee: Ortho-McNeil Pharmaceutical Incorporated (Johnson & Johnson)
• Original Assignee: Ortho-McNeil Pharmaceutical Incorporated (Johnson & Johnson)
• Inventors: Ye, Hong, Zhang, Han-Cheng, White, Kimberly, McComsey, David F., Maryanoff, Bruce, Conway, Bruce, Hecker, Leonard Robert
• Primary Examiner(s): ANDERSON, REBECCA L
• Application Number:
  US10/885,373
• Publication Number:
  US 20040259928A1
• Time in Patent Office: 1,246 Days
• Field of Search: 544/371, 544/140, 514/254.06, 514/306, 514/338, 514/307, 514/234.5, 514/406, 546/275.7, 546/143, 546/159, 548/361.1, 548/362.5
• US Class Current: 514/234.5
• CPC Class Codes: A61P 11/06 Antiasthmatics
• CPC Class Codes: A61P 17/00 Drugs for dermatological disorders
• CPC Class Codes: A61P 17/06 Antipsoriatics
• CPC Class Codes: A61P 25/00 Drugs for disorders of the nervous system
• CPC Class Codes: A61P 25/04 Centrally acting analgesics, e.g. opioids
• CPC Class Codes: A61P 25/18 Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
• CPC Class Codes: A61P 25/28 for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• CPC Class Codes: A61P 29/00 Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• CPC Class Codes: A61P 3/10 for hyperglycaemia, e.g. antidiabetics
• CPC Class Codes: A61P 31/18 for HIV
• CPC Class Codes: A61P 35/00 Antineoplastic agents
• CPC Class Codes: A61P 37/00 Drugs for immunological or allergic disorders
• CPC Class Codes: A61P 43/00 Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• CPC Class Codes: A61P 9/00 Drugs for disorders of the cardiovascular system
• CPC Class Codes: A61P 9/10 for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
• CPC Class Codes: A61P 9/12 Antihypertensives
• CPC Class Codes: C07D 401/14 containing three or more hetero rings
• CPC Class Codes: C07D 403/14 containing three or more hetero rings
• CPC Class Codes: C07D 405/14 containing three or more hetero rings
• CPC Class Codes: C07D 409/14 containing three or more hetero rings

Abstract

The present invention is directed to novel indazolyl-substituted pyrroline compounds of Formula (I):

useful as kinase or dual-kinase inhibitors, methods for producing such compounds and methods for treating or ameliorating a kinase or dual-kinase mediated disorder.

Claims

1. A compound of Formula (I):

2. The compound of claim 1 wherein R¹ and R² are independently selected from the group consisting of:

hydrogen,

C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl {wherein alkyl, alkenyl and alkynyl are optionally substituted with one to two substituents independently selected from the group consisting of —

O—

(C_1-4)alkyl, —

O—

(C_1-4)alkyl-OH, —

O—

(C_1-4)alkyl-O—

(C_1-4)alkyl, —

O—

(C_1-4) alkyl-NH₂, —

O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

O—

(C_1-4)alkyl-N[(C_1-4)alkyl]₂, —

O—

(C_1-4)alkyl-S—

(C_1-4)alkyl, —

)—

(C_1-4)alkyl-SO₂—

(C_1-4)alkyl, —

O—

(C_1-4) alkyl-SO₂—

NH₂, —

O—

(C_1-4)alkyl-SO₂—

NH—

(C_1-4)alkyl, —

O—

(C_1-4)alkyl-SO₂—

N[(C_1-4)alkyl]₂, —

O—

C(O)H, —

O—

C(O)—

(C_1-4)alkyl, —

O—

C(O)—

NH₂, —

O—

C(O)—

NH—

(C_1-4)alkyl, —

O—

C(O)—

N[(C_1-4)alkyl]₂, —

O—

(C_1-4)alkyl-C(O)H, —

O—

(C_1-4)alkyl-C(O)—

(C₄)alkyl, —

O—

(C_1-4)alkyl-CO₂H, —

O—

(C_1-4)alkyl-C(O)—

O—

(C_1-4alkyl, —

O—

(C_1-4)alkyl-C(O)—

NH₂, —

O—

(C_1-4alkyl-C(O)—

NH—

(C₄)alkyl, —

O—

(C_1-4)alkyl-C(O)-N[(C₄)alkyl]₂, —

C(O)H, —

C(O)—

(C_1-4)alkyl, —

CO₂H, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(NH)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SH, —

S—

(C_1-4)alkyl, —

S—

(C_1-4)alkyl-S—

(C_1-4)alkyl, —

S—

(C_1-4)alkyl-O—

(C_4-1)alkyl, —

S—

(C_1-4)alkyl-O—

(C_4-1)alkyl-OH, —

S—

(C_1-4)alkyl-O—

(C_1-4)alkyl-NH₂, —

S—

(C_1-4)alkyl-O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

S—

(C_1-4)alkyl-O—

(C_1-4)alkyl-N[(C_1-4)alkyl]₂, —

S—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4) alkyl]₂, amino (substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4)alkyl, C_2-4alkenyl, C_2-4alkynyl, —

(C_1-4)alkyl-OH, —

(C_1-4)alkyl-O—

(C_1-4)alkyl, —

(C_1-4)alkyl-NH₂, —

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

(C_1-4)alkyl-N[(C_1-4)alkyl]₂, —

(C_1-4)alkyl-S—

(C₄)alkyl, —

C(O)—

(C_1-4)alkyl, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4)alkyl]₂, —

C(N)—

NH₂, aryl and aryl (C_1-4)alkyl (wherein aryl is optionally substituted with one to three substituents independently selected from the group consisting of halogen, C_1-4alkyl, C_1-4alkoxy, amino (substituted with two substituents selected from the group consisting of hydrogen and C_1-4alkyl), cyano, halo, (halo)_1-3(C_1-4)alkyl, (halo)_1-3(C_1-4alkoxy, hydroxy, hydroxy(C_1-4)alkyl and nitro)), cyano, (halo)_1-3, hydroxy, nitro, oxo, heterocyclyl, aryl and heteroaryl (wherein heterocyclyl, aryl and heteroaryl are optionally substituted with one to three substituents independently selected from the group consisting of C_1-4alkyl, C_1-4alkoxy, amino (substituted with two substituents selected from the group consisting of hydrogen and C_1-4)alkyl), cyano, halo, (halo)_1-3(C_1-4)alkyl, (halo)_1-3(C_1-4alkoxy, hydroxy, hydroxy(C_1-4)alkyl and nitro)},

—

C(O)—

(C_1-4)alkyl, —

C(O)-aryl, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

O-aryl, —

C(O)—

NH—

(C_1-4) alkyl, —

C(O)—

NH-aryl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SO₂—

(C_1-4)alkyl, —

SO₂-aryl,

aryl and heteroaryl {wherein aryl and heteroaryl are optionally substituted with one to three substituents independently selected from the group consisting of C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl, C_1-4alkoxy, —

C(O)H, —

C(O)—

(C_1-4)alkyl, —

CO₂H, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(NH)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SH, —

S—

(C_1-4)alkyl, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N](C_1-4)alkyl]₂, amino (substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl, —

(C_1-4)alkyl-NH₂, —

C(O)—

(C_1-4)alkyl, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4)alkyl]₂ and —

C(NH)—

NH₂), amino-(C_1-4)alkyl- (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl, —

(C_1-4)alkyl-NH₂, —

C(O)—

(C_1-4)alkyl, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4)alkyl]₂ and —

C(NH)—

NH₂), cyano, halo, (halo)_1-3(C_1-4)alkyl, (halo)_1-3(C_1-4)alkoxy, hydroxy, hydroxy(C_1-4)alkyl, nitro, aryl, —

(C_1-4)alkyl-aryl, heteroaryl and —

(C_1-4)alkyl-heteroaryl};

with the proviso that if R² is selected from the group consisting of hydrogen, unsubstituted C_1-4alkyl and —

(C_1-4)alkyl-(halo)_1-3, then R¹ is selected from the group consisting of other than hydrogen, C_1-4)alkyl, aryl (limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, nitro, unsubstituted amino and cyano), —

(C_1-4)alkyl-aryl (wherein aryl is limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, nitro, unsubstituted amino and cyano), —

(C_1-4)alkyl(C_1-4)alkoxy, —

(C_1-4)alkyl-hydroxy, —

(C_1-4)alkyl-(halo)_1-3, —

(C_1-4) alkyl-amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), —

(C_1-4)alkyl-amino(C_4-1)alkylamino, —

C_1-4alkyl-NH—

C(O)—

(C_1-4)alkyl, —

C_1-4alkyl-NH—

SO₂—

(C_1-4)alkyl, —

(C_1-4)alkyl-SH, —

(C_1-4)alkyl-S—

(C_1-4)alkyl, —

(C_1-4)alkyl-SO₂—

(C_1-4)alkyl, —

(C_1-4)alkyl-O—

C(O)—

(C_1-4)alkyl, —

(C_1-4)alkyl-C(N), —

(C_1-4)alkyl-C(NH)—

NH₂, —

(C_1-4)alkyl-CO₂H, —

(C_1-4)alkyl-C(O)—

O—

(C_1-4)alkyl, —

(C_1-4)alkyl-C(O)-NH₂, —

(CH₂)_2-4-heterocyclyl, —

(CH₂)_2-4—

T—

C(V)—

Z (wherein T is NH, V is O and Z is amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4)alkyl)).

3. The compound of claim 1 wherein R¹ and R² are independently selected from the group consisting of:

hydrogen,

C_1-4alkyl, C_2-4alkenyl {wherein alkyl is substituted with one to two substituents independently selected from the group consisting of —

O—

(C_1-4)alkyl, —

O—

(C_1-4)alkyl-OH, —

O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

O—

C(O)—

(C_1-4)alkyl, —

C(O)H, —

CO₂H, —

C(O)—

O—

(C_1-4)alkyl, amino (substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, —

(C_1-4)alkyl-OH, —

C(O)—

O—

(C_1-4)alkyl and aryl(C_1-4)alkyl), hydroxy, heterocyclyl, aryl and heteroaryl (wherein heterocyclyl, aryl and heteroaryl are optionally substituted with one to three substituents independently selected from the group consisting of C_1-4alkyl and halo)},

aryl and heteroaryl {wherein aryl and heteroaryl are optionally substituted with one to two substituents independently selected from the group consisting of C_1-4alkyl, C_1-4alkoxy, amino (substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4)alkyl), cyano, halo, (halo)_1-3(C_1-4)alkyl, (halo)_1-3(C_1-4)alkoxy, hydroxy, hydroxy(C_1-4)alkyl, aryl and heteroaryl};

with the proviso that if R² is selected from the group consisting of hydrogen and unsubstituted C_1-4alkyl, then R¹ is selected from the group consisting of other than hydrogen, C_1-4alkyl, aryl (limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, unsubstituted amino and cyano), —

(C_1-4)alkyl-aryl (wherein aryl is limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo and unsubstituted C_1-4)alkyl), —

(C_1-4)alkyl(C_1-4)alkoxy, —

(C_1-4)alkyl-hydroxy, —

(C_1-4)alkyl-amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), —

(C_1-4)alkyl-O—

C(O)—

(C_1-4)alkyl, —

(C_1-4)alkyl-CO₂H, —

(C_1-4)alkyl-C(O)—

O—

(C_1-4)alkyl and —

(CH₂)_2-4-heterocyclyl.

4. The compound of claim 1 wherein R¹ is selected from the group consisting of:

hydrogen,

C_1-4alkyl, C_2-4alkenyl {wherein alkyl is substituted with one to two substituents independently selected from the group consisting of —

O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, amino (substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), hydroxy, heterocyclyl, aryl and heteroaryl (wherein heterocyclyl, aryl and heteroaryl are optionally substituted with one to three substituents independently selected from the group consisting of C_1-4alkyl and halo)},

aryl and heteroaryl {wherein aryl and heteroaryl are optionally substituted with one to two substituents independently selected from the group consisting of C_1-4alkyl, C_1-4alkoxy, amino (substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), cyano, halo, (halo)_1-3(C_1-4)alkyl, (halo)_1-3(C_1-4alkoxy, hydroxy, hydroxy(C_1-4)alkyl, aryl and heteroaryl};

with the proviso that if R² is selected from the group consisting of hydrogen, unsubstituted C_1-4alkyl and —

(C_1-4)alkyl-(halo)_1-3, then R¹ is selected from the group consisting of other than hydrogen, C_1-4alkyl, aryl (limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, unsubstituted amino and cyano), —

(C_1-4)alkyl-aryl (wherein aryl is limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo and unsubstituted C_1-4alkyl), —

(C_1-4)alkyl-hydroxy, —

(C_1-4)alkyl-amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl) and —

(CH₂)_2-4-heterocyclyl.

5. The compound of claim 1 wherein R¹ is selected from the group consisting of:

hydrogen,

C_1-4alkyl, C_2-3alkenyl {wherein alkyl is substituted with one to two substituents independently selected from the group consisting of —

O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, amino (substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), hydroxy, pyrrolidinyl, morpholinyl, piperazinyl (wherein piperazinyl is optionally substituted with methyl), phenyl, naphthalenyl, benzothienyl and quinolinyl (wherein phenyl and benzothienyl are optionally substituted with one to two chloro substituents)},

phenyl, naphthalenyl, furyl, thienyl, pyrimidinyl and benzothienyl (wherein phenyl, and naphthalenyl are optionally substituted with one to two substituents independently selected from the group consisting of C_1-4alkyl, C_1-4alkoxy, halo and hydroxy; and

, wherein phenyl is optionally substituted with one substituent selected from the group consisting of phenyl and thienyl);

with the proviso that if R² is selected from the group consisting of hydrogen, unsubstituted C_1-4alkyl and —

(C_1-4)alkyl-(halo)_1-3, then R¹ is selected from the group consisting of other than hydrogen, C_1-4alkyl, phenyl (wherein phenyl is unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy and C_1-4alkoxy), —

(C_1-4)alkyl-phenyl (wherein phenyl is unsubstituted or substituted with one or more chloro substituents), —

(C_1-4)alkyl-hydroxy, —

(C_1-4)alkyl-amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl) and —

(CH₂)_2-4-heterocyclyl.

6. The compound of claim 1 wherein R² is selected from the group consisting of:

hydrogen,

C_1-4alkyl {wherein alkyl is substituted with one to two substituents independently selected from the group consisting of —

O—

(C_1-4)alkyl, —

O—

(C_1-4)alkyl-OH, —

O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

O—

C(O)—

(C_1-4)alkyl, —

C(O)H, —

CO₂H, —

C(O)—

O—

(C_1-4)alkyl, amino (substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, —

(C_1-4)alkyl-OH, —

C(O)—

O—

(C_1-4)alkyl and aryl(C_1-4)alkyl), hydroxy and heterocyclyl (wherein heterocyclyl is optionally substituted with one to two C_1-4alkyl substituents)} and heteroaryl;

with the proviso that if R² is selected from the group consisting of hydrogen and unsubstituted C_1-4alkyl, then R¹ is selected from the group consisting of other than hydrogen, C_1-4alkyl, aryl (limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, nitro, unsubstituted amino and cyano), —

(C_1-4)alkyl-aryl (wherein aryl is limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, nitro, unsubstituted amino and cyano), —

(C_1-4)alkyl(C_1-4)alkoxy, —

(C_1-4)alkyl-hydroxy, —

(C_1-4)alkyl-(halo)_1-3, —

(C_1-4) alkyl-amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), —

(C_1-4)alkyl-amino(C_1-4)alkylamino, —

C_1-4alkyl-NH—

C(O)—

(C_1-4)alkyl, —

C_1-4alkyl-NH—

SO₂—

(C_1-4)alkyl, —

(C_1-4)alkyl-SH, —

(C_1-4)alkyl-S—

(C_1-4)alkyl, —

(C_1-4)alkyl-SO₂—

(C_1-4)alkyl, —

(C_1-4)alkyl-O—

C(O)—

(C_1-4)alkyl, —

(C_1-4)alkyl-C(N), —

(C_1-4)alkyl-C(NH)—

NH₂, —

(C_1-4)alkyl-CO₂H, —

(C_1-4)alkyl-C(O)—

O—

(C_1-4)alkyl, —

(C_1-4)alkyl-C(O)—

NH₂, , —

(CH₂)_2-4-heterocyclyl, —

(CH₂)_2-4—

T—

C(V)—

Z (wherein T is NH, V is O and Z is amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl)).

7. The compound of claim 1 wherein R² is selected from the group consisting of:

hydrogen,

C_1-4)alkyl {wherein alkyl is substituted with one to two substituents independently selected from the group consisting of —

O—

(C_1-4)alkyl, —

O—

(C_1-4)alkyl-OH, —

O—

(C_1-4)alkyl-NH—

(C_1-4)alkyl, —

O—

C(O)—

(C_1-4)alkyl, —

C(O)H, —

CO₂H, —

C(O)—

O—

(C_1-4)alkyl, amino (substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, —

(C_1-4)alkyl-OH, —

C(O)—

O—

(C_1-4)alkyl and phenyl(C_1-4)alkyl), hydroxy, pyrrolidinyl, 1,3-dioxolanyl, morpholinyl and piperazinyl (wherein piperazinyl is optionally substituted with methyl)};

with the proviso that if R² is selected from selected from the group consisting of hydrogen and unsubstituted C_1-4alkyl, then R¹ is selected from the group consisting of other than hydrogen, C_1-4alkyl, aryl (limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, nitro, unsubstituted amino and cyano), —

(C_1-4)alkyl-aryl (wherein aryl is limited to phenyl unsubstituted or substituted with one or more substituents selected from the group consisting of halo, unsubstituted C_1-4alkyl, hydroxy, C_1-4alkoxy, (halo)_1-3(C_1-4)alkyl, nitro, unsubstituted amino and cyano), —

(C_1-4)alkyl(C_1-4)alkoxy, —

(C_1-4)alkyl-hydroxy, —

(C_1-4)alkyl-(halo)_1-3, —

(C_1-4) alkyl-amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl), —

(C_1-4)alkyl-amino(C_1-4)alkylamino, —

C_1-4alkyl-NH—

C(O)—

(C_1-4)alkyl, —

C_1-4alkyl-NH—

SO₂—

(C_1-4)alkyl, —

(C_1-4)alkyl-SH, —

(C_1-4)alkyl-S—

(C_1-4)alkyl, —

(C_1-4)alkyl-SO₂—

(C_1-4)alkyl, —

(C_1-4)alkyl—

O—

C(O)—

(C_1-4)alkyl, —

(C_1-4)alkyl-C(N), —

(C_1-4)alkyl-C(NH)—

NH₂, —

(C_1-4)alkyl-CO₂H, —

(C_1-4)alkyl-C(O)—

O—

(C_1-4)alkyl, —

(C_1-4)alkyl-C(O)—

NH₂, —

(CH₂)_2-4-heterocyclyl, —

(CH₂)_2-4—

T—

C(V)—

Z (wherein T is NH, V is O and Z is amino (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen and C_1-4alkyl)).

8. The compound of claim 1 wherein R³ and R⁴ are independently selected from the group consisting of hydrogen, C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl, C_1-4alkoxy, —

C(O)H, —

C(O)—

(C_1-4)alkyl, —

CO₂H, —

C(O)—

O—

(C<sub>1-4)alkyl, —

C(O)—

NH2</sub>, —

C(NH)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SH, —

S—

(C_1-4) alkyl, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4)alkyl]₂, amino (substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl, —

(C_1-4)alkyl-NH₂, —

C(O)—

(C_1-4)alkyl, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂-NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4)alkyl]₂ and —

C(NH)—

NH₂), amino-(C_1-4) alkyl- (wherein amino is substituted with two substituents independently selected from the group consisting of hydrogen, C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl, —

(C_1-4)alkyl-NH₂, —

C(O)—

(C_1-4)alkyl, —

C(O)—

O—

(C_1-4)alkyl, —

C(O)—

NH₂, —

C(O)—

NH—

(C_1-4)alkyl, —

C(O)—

N[(C_1-4)alkyl]₂, —

SO₂—

(C_1-4)alkyl, —

SO₂—

NH₂, —

SO₂—

NH—

(C_1-4)alkyl, —

SO₂—

N[(C_1-4)alkyl]₂ and —

C(NH)—

NH₂), cyano, halo, (halo)_1-3(C_1-4)alkyl, (halo)_1-3(C_1-4alkoxy, hydroxy, (C_1-4)alkyl, nitro, aryl —

(C_1-4)alkyl-aryl, heteroaryl and —

(C_1-4)alkyl-heteroaryl.

9. The compound of claim 1 wherein R³ and R⁴ are independently selected from the group consisting of hydrogen, C_1-4alkyl, C_1-4alkoxy, cyano and halogen.

10. The compound of claim 1 wherein R³ and R⁴ are independently selected from the group consisting of hydrogen, methyl, methoxy, cyano and chloro.

11. The compound of claim 1 wherein Y and Z are independently selected from the group consisting of O and (H,H);

with the proviso that one of Y and Z is O, and the other is selected from the group consisting of O and (H,H).

12. The compound of claim 1 wherein R⁵ is selected from the group consisting of:

hydrogen, halogen,

C_1-4alkyl, C_2-4alkenyl, C_2-4alkynyl {wherein alkyl, alkenyl and alkynyl are optionally substituted with one to two substituents independently selected from the group consisting of amino (substituted with two substituents selected from the group consisting of hydrogen and C_1-4alkyl), cyano, halo, hydroxy, nitro, oxo, aryl and heteroaryl },

aryl and heteroaryl {wherein aryl and heteroaryl are is optionally substituted with one to two substituents independently selected from the group consisting of C_1-4)alkyl, C_1-4alkoxy, amino (substituted with two substituents selected from the group consisting of hydrogen and C_1-4alkyl), cyano, halo, hydroxy and nitro}.

13. The compound of claim 1 wherein R⁵ is selected from the group consisting of C_1-4alkyl and aryl.

14. The compound of claim 1 wherein R⁵ is selected from the group consisting of methyl and naphthalenyl.

15. The compound of claim 1 wherein the compound of Formula (I) is a compound selected from Formula (Ib):

16. A pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.

17. The compound of claim 1 wherein the compound of Formula (I) is a compound selected from Formula (Ia):