作者:Giovanni Vidari、Gianluigi Lanfranchi、Francesca Masciaga、Jean-Dominique Moriggi
DOI:10.1016/0957-4166(96)00391-6
日期:1996.10
A simple and efficient enantioselective synthesis of γ-cyclohomocitral, a key and versatile intermediate for the synthesis of some monocyclofarnesane terpenoids, is described. This features a highly sitoselective Sharpless asymmetric didydroxylation of a homomonoterpene diolefin. The first enantioselective synthesis of (−)-ancistrodial and (−)-pallescensone were accomplished. The (S)- configuration
描述了一种简单而有效的对映选择性合成γ-环苯甲醛,γ-环苯甲醛是合成某些单环法呢烷萜类化合物的关键且通用的中间体。其特征在于高单萜二烯烃的高位置选择性Sharpless不对称二乙氧基化。(-)顺式和(-)-pallescensone的第一个对映选择性合成完成。然后将(S)-构型分配给天然pallescensone。