Patent ID: 7388101
Filing Date: 2008-06-17
Classification: C07D

Abstract:
1. A dihydrofuran-3-ylidene triflate having cis substituents at C 2 and C 5 positions of the following Formula 1: wherein R 1 , R 2 and R 3 are a C 1 -C 10 alkyl, a C 1 -C 10 alkoxy C 1 -C 10 alkyl, a benzoyloxy C 1 -C 10 alkyl, an aryl C 1 -C 10 alkyl or an aryl group, respectively; the aryl group is a phenyl or a naphthyl group optionally substituted with a substituent selected from the group consisting of a halogen atom, an alkyl, an alkoxy, a cyano, a nitro and a phenoxy group; and OTf is a triflate group.