Patent ID: 7943785
Filing Date: 2011-05-17
Classification: A61P,C07D

Abstract:
1. A process for producing (Z)-1-phenyl-1-(N,N-diethylaminocarbonyl)-2-phthalimidomethylcyclopropane, comprising: reacting (Z)-1-phenyl-1-(N,N-diethylaminocarbonyl)-2-hydroxymethylcyclopropane with an orthoester and a brønsted acid to obtain a reaction product, and then reacting the reaction product with a phthalimidating agent wherein the reaction product of (Z)-1-phenyl-1-(N,N-diethylaminocarbonyl)-2-hydroxymethylcyclopropane, an orthoester and a brønsted acid is an iminium salt of the formula (I) wherein A