Caesalpinimin A, a novel rearranged furanoditerpene with an unprecedented carbon skeleton from the seeds of Caesalpinia minax Hance†
Abstract
Caesalpinimin A (1), a novel cassane furanoditerpene with an unprecedented carbon skeleton containing a spiro-A/B ring system was isolated from the seeds of Caesalpinia minax. The complete structure and absolute configuration were elucidated by spectroscopic methods and computational analysis.