南蛇藤昆虫拒食成分的研究（I）

The Insect Antifeedantal Sesquiterpenoids From Celastrus Orbiculatus(I)

南蛇藤昆虫拒食成分的研究（Ｉ）王明安，陈馥衡（北京农业大学应用化学系，北京，１０００９４）关键词南蛇藤，倍半萜，结构分析南蛇藤（Ｃｅｌａｓｔｒｕｓｏｒｂｉｃｕｌａｔｕｓ）是我国传统的低毒杀虫植物，其主要化学成分为倍半萜［１］．Ｓｍｉｔｈ等［２，３］对...

Two new and one known insect antifeedantal sesquiterpenoid compounds were isolated from Celastrus orbiculatus,their structures were elucidated as 1β,2β-diacetoxy-9α-cinnamoyloxy-β-dihydroagarofuran(1),1β,2β-diacetoxy-6α-benzoyloxy-9α-cinnamoyloxy-β-dihydroagarofuran(2),1β-acetoxy-9α-cinnamoyloxy-β-dihydroagarofuran(3)by UV,IR,MS and 1H NMR,13C NMR,DEPT,1H-1H COSY,13C-1H COSY,NOEDS.