Patent ID: 7439368
Filing Date: 2008-10-21
Classification: C07C,C07D

Abstract:
1. A process for preparing a compound of the formula [1]: wherein X is a group of the formula: —N═ or —CH═; R (A) 1)-a) reacting a compound of the formula [II]: wherein R wherein Ring A is a nitrogen-containing heterocyclic group, or 1)-b) reacting a compound of the formula [IV]: wherein the symbol is the same a defined above with a compound of the formula [V]: wherein A′ is a group derived from a nitrogen-containing heterocyclic group with a nitrogen atom, removed, and X 2) subjecting the resulting compound of the formula [VI]: wherein the symbols are the same as defined above to catalytic reduction; 3) subjecting the resulting the compound of the formula [VII]: wherein the symbols are the same as defined above to lower-alkyl esterification when COOR wherein R (B) 1) cyanation of a compound of the formula [IX]: wherein Ring B is an optionally substituted benzene ring or an optionally substituted pyridine ring and X 2) reacting the resulting compound of the formula [X]: wherein the symbol is the same as defined above with a compound of the formula [XI]: wherein R wherein the symbols are the same as defined above with a compound of the formula [XIII]: wherein R 3) cyclizing the resulting compound of the formula [XIV]: wherein the symbols are the same as defined above to give a compound of the formula [XV]: wherein the symbols are the same as defined above; and (C) reacting a compound of the formula [XV] with a compound of the formula [VIII] or an acid halide thereof; and