作者:Scott D. Rychnovsky、George Griesgraber
DOI:10.1039/c39930000291
日期:——
Milbemycin spiroacetal 4 was prepared from (4S,5R)-4,5-dimethylpentan-5-olide 5 and (R)-1-(benzyloxymethyl)oxirane by alkylation and stereoselective reductive decyanation of the intermediate spiroacetal cyanohydrin 7.
米尔倍霉素螺缩醛4,由(4制备小号,5 - [R)-4,5-二甲基戊-5-内酯5和(- [R)-1-(苄氧基甲基)环氧乙烷进行烷基化和中间螺缩醛氰醇的立体选择性还原脱氰7。