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US 7,064,204 B2Granted
Pharmaceutically active compounds having a tricyclic pyrazolotriazolopyrimidine ring structure and methods of use
AssigneeKing Pharmacueticals Reserch and Development, Inc.
InventorsPier Giovanni Baraldi, Pier Andrea Borea
Life of this patent
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Abstract
New compounds having a tricyclic pyrazolotriazolopyrimidine ring structure are provided and methods of using those compounds for a variety of therapeutic indications.
Claims3
A compound of any one of the following Formula IX or X:
- wherein:
- R1 is selected from the group consisting of hydrogen, C1-6alkylamino, di(C1-6) alkylamino, and C1-6alkylthio;
- R2 is selected from optionally substituted C1-6alkyl and optionally substituted C7-12aralkyl;
- R3 is selected from the group consisting of optionally substituted a C1-6alkyl, optionally substituted C7-12aralkyl, and optionally substituted C2-6alkanoyl;
- E is O or N—C1-6alkyl;
- and pharmaceutically acceptable salt thereof.
3 more elements
A compound that is:
- 4-(5-Amino-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-phenol;
- 2-(4-Chloro-phenyl)-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- 2-(4-Ethoxy-phenyl)-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- [4-(5-Amino-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-phenoxy]-acetic acid ethyl ester;
- [4-(5-Amino-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-phenoxy]-acetic acid;
- 2-[4-(5-Amino-7-phenethyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-phenoxy]-N-(4-iodo-phenyl)-acetamide;
- N9-Ethyl-2-furan-2-yl-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidine-5,9-diamine;
- N9-Ethyl-2-furan-2-yl-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidine-5,9-diamine hydrochloride salt;
- 2-Furan-2-yl-N-9-(4-methoxy-phenyl)-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidine-5,9-diamine;
- 2-Furan-2-yl-8-methyl-9-(4-methyl-piperazin-1-yl)-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- 2-Furan-2-yl-8-methyl-9-(4-methyl-piperazin-1-yl)-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine dihydrochloride salt;
- 2-Furan-2-yl-8-methyl-9-methylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- 2-Furan-2-yl-8-methyl-9-propylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- 2-Furan-2-yl-9-methylsulfanyl-8-(3-phenyl-propyl)-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- 1-(9-Ethylamino-2-furan-2-yl-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-3-(4-methoxy-phenyl)-urea;
- 1-(9-Ethylamino-2-furan-2-yl-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-3-(4-methoxy-phenyl)-urea hydrochloride salt;
- 1-[2-Furan-2-yl-8-methyl-9-(4-methyl-piperazin-1-yl)-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyimidin-5-yl]-3-(4-methoxy-phenyl)-urea;
- 1-(2-Furan-2-yl-8-methyl-9-methylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-3-(4-methoxy-phenyl)-urea;
- N-(2-Furan-2-yl-8-methyl-9-methylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-2-(4-methoxy-phenyl)-acetamide;
- N-(2-Furan-2-yl-8-methyl-9-methylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-2-(4-isobutyl-phenyl)-acetamide;
- 2-Benzo[1,3]dioxol-5-yl-N-(2-furan-2-yl-8-methyl-9-methylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-acetamide;
- 2-Benzo[1,3]dioxol-5-yl-N-(9-ethylamino-2-furan-2-yl-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)-acetamide;
- 4-(5-Amino-2-furan-2-yl-8-methyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-9-ylamino)-phenol;
- 8-Methyl-2-[5-(4-methyl-piperazin-1-ylmethyl)-furan-2-yl]-9-methylsulfanyl-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- 8-Methyl-9-methylsulfanyl-2-(5-morpholin-4-ylmethyl-furan-2-yl)-8H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine;
- or a pharmaceutically acceptable salt thereof.
23 more elements
Dependencies are inferred from the claim text.