Novel compounds and a novel process for their preparation
申请人:Fagnou Keith
公开号:US20080300271A1
公开(公告)日:2008-12-04
The present invention is directed to a procedure for making an enantidimerically enriched compound containing a hydronaphthalene ring structure. The process involves reacting oxabenzonorbornadienes with nuclophiles using rhodium as a catalyst and in the presence of a phosphine ligand. The compounds synthesized may be used in pharmaceutical preparations for the treatment of a variety of diseases and conditions.
The enantioselective ring-opening reactions of azabicyclic alkenes with primary and secondary aromaticamine nucleophiles are reported using an iridiumcatalyst generated in situ from 1.5 mol % of [Ir(COD)Cl]2 and 3 mol % of (S)-BINAP. The reaction affords the corresponding trans-1,2-diamine derivatives in moderate to good yields with moderate to high enantioselectivities (up to 97% ee). The trans-configuration