C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 495/04 (2006.01) A61K 31/435 (2006.01) C07D 471/04 (2006.01) C07D 491/04 (2006.01) C07D 491/048 (2006.01)
Patent
CA 2077695
The present invention relates to a series of new tetrahydrothieno[3,2-c]pyridine derivatives and furo and pyrrolo analogs of these derivatives, and provides processes for preparing these derivatives as well as methods and compositions using them for inhibiting blood platelet aggregation. More specifically, disclosed is a compound of formula (I): (See formula I) wherein, preferably: R1 represents a hydrogen atom, a methyl group, an ethyl group, a halogen atom, a methyl group substituted by at least one fluorine atom, a hydroxy group, a methoxy group, an ethoxy group, a methoxy group substituted by at least one fluorine atom, a methylthio group, a methylthio group substituted by at least one fluorine atom, a formyl group, an acetyl group, an acetyl group substituted by at least one fluorine atom, an alkoxycarbonyl group having from 2 to 4 carbon atoms, a carbamoyl group, a cyano group, a nitro group, a methanesulfonyl group, an ethanesulfonyl group, a methanesulfonyl group substituted by at least one fluorine atom, or a sulfamoyl group; R2 represents an alkanoyl group having from 2 to 6 carbon atoms, a substituted alkanoyl group which has from 2 to 6 carbon atoms and which is substituted by at least one fluorine atom, a cycloalkylcarbonyl group having from 4 to 7 carbon atoms, or a substituted cycloalkylcarbonyl group which is substituted by at least one fluorine atom; R3 represents a hydrogen atom, a hydroxy group, a methoxy group, an ethoxy group, a t-butoxy group, a methoxymethoxy group, an alkanoyloxymethoxy group in which the alkanoyl part has from 1 to 5 carbon atoms, a benzyloxy group, an alkanoyloxy group having from 1 to 12 carbon atoms, an alkenoyloxy group having 3 or 4 carbon atoms, a cycloalkylcarbonyloxy group having from 4 to 7 carbon atoms, a benzoyloxy group, an alkoxycarbonyloxy group having from 2 to 5 carbon atoms, a benzyloxycarbonyloxy group, a phthalidyloxy group, a (5-methyl-2-oxo-1,3- dioxolen-4-yl)methoxy group, a (5-phenyl-2-oxo-1,3- dioxolen-9-yl)methoxy group, an amino group or a t- butoxycarbonylamino group; Y represents an oxygen or sulfur atom; and n is 1 to 3.
Asai Fumitoshi
Inoue Teruhiko
Kimura Tomio
Koike Hiroyuki
Nishino Shigeyoshi
Asai Fumitoshi
Daiichi Sankyo Company Limited
Inoue Teruhiko
Kimura Tomio
Koike Hiroyuki
LandOfFree
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