Patent ID: 6949648
Filing Date: 2005-09-27
Classification: A61K,A61P,C07D

Abstract:
1. A compound represented by the formula (Ia′): wherein R 1a is a hydrogen atom, a hydrocarbon group which may be optionally substituted, or a carboxyl group which may be esterified or amidated; R 2a is absent, a hydrogen atom or a hydrocarbon group which may be optionally substituted, R 3ab is an unsaturated heterocyclic group containing 1 or 2 nitrogen atoms as the hetero atoms which may be optionally substituted, or an unsaturated monocyclic heterocyclic group containing a nitrogen atom and a sulfur atom as the hetero atoms; X a is hydrogen, halogen, nitrile, a hydrocarbon group which may be optionally substituted, a carboxyl group which may be optionally esterified or amidated, an acyl group which may be optionally substituted, —NR 4a R 5a , an oxygen atom, —OR 4a , a sulfur atom, or —SR 4a (R 4a and R 5a are, respectively, a hydrogen atom, a hydrocarbon group which may be optionally substituted, or both may bind each other to form a cyclic amino group or a heterocyclic group with the nitrogen atom bound thereto); bond portions indicated by both solid and broken lines are either a single bond or a double bond, and bond portions indicated by a broken line are either a single bond or no bond ring B a is a homocyclic or heterocyclic 5- to 7-membered ring which may be optionally substituted; and m is an integer of 0 or 1, or a salt thereof.