A New Biomimetic-Like Aromatization of the Cyclic End Groups of Terpenoids with Stereospecific Migration of One of the Methyl Groups: A Convenient Route to Isorenieratene (φ,φ-Carotene)
作者:Alain Valla、Zo Andriamialisoa、Benoist Valla、Roger Labia、Régis Le Guillou、Laurent Dufossé、Dominique Cartier
DOI:10.1002/ejoc.200600794
日期:2007.2
The synthesis of isorenieratene, a natural carotenoid isolated from the marine sponge Reniera japonica and from some anoxygenic phototrophic bacteria or nonphotosynthetic actinomycetes, was performed from α-, β- and retro-ionones. In this series of cyclohexenes, this synthesis is the first to include a one-pot aromatization of the cyclic end group with concomitant regioselective migration of one methyl
从海海绵 Reniera japonica 和一些缺氧光养细菌或非光合放线菌中分离出的天然类胡萝卜素异戊二烯是从 α-、β- 和逆紫罗兰酮合成的。在这一系列的环己烯中,这种合成是第一个包括环状端基的一锅芳构化,伴随着一个甲基从 gem 二甲基官能团的区域选择性迁移。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)