Patent ID: 9527822
Filing Date: 2016-12-27
CPC Classification: C07C,C07D

Claim Text:
1. A method for preparing a compound of Formula 7 wherein Z is optionally substituted phenyl; and Q is phenyl or 1-naphthalenyl, each optionally substituted; using a compound of Formula 1 wherein said compound of Formula 1 is prepared by a method that comprises the steps of: distilling water from a mixture comprising a) a compound of Formula 2 b) a compound of Formula 3 and either c) a base comprising at least one compound selected from the group consisting of alkaline earth metal hydroxides of Formula 4 wherein M is Ca, Sr or Ba, 1,5-diazabicyclo[4.3.0]non-5-ene, and 1,8-diazabicyclo[5.4.0]undec-7-ene, and d) an aprotic solvent capable of forming a low-boiling azeotrope with water; or c) a base comprising at least one compound selected from the group consisting of alkali metal carbonates of Formula 4a wherein M and d) an aprotic solvent capable of forming a low-boiling azeotrope with water, wherein the aprotic solvent capable of forming a low-boiling azeotrope with water comprises acetonitrile.