The sulfinyl moiety as an intramolecular nucleophile. Part 3: Synthesis of (−)-muricatacin
作者:Sadagopan Raghavan、S.C. Joseph
DOI:10.1016/s0957-4166(02)00782-6
日期:2003.1
A short, efficient and highly stereoselective synthesis of (−)-(R,R)-muricatacin is reported. The key steps include a highly diastereoselective reduction of a β-ketosulfoxide to a β-hydroxy sulfoxide, regio- and stereoselective bromohydration of an olefin employing the sulfinyl group as an internal nucleophile and chemoselective reduction of a double bond in the presence of a halogen atom.
据报道,(-)-(R,R)-muricatacin的短而有效且高度立体选择性的合成。关键步骤包括将β-酮亚砜高度非对映选择性还原为β-羟基亚砜,使用亚磺酰基作为内部亲核试剂对烯烃进行区域和立体选择性溴化以及在卤素原子存在下对双键进行化学选择性还原。