Studies towards the synthesis of the zaragozic acids: Synthesis of the bicyclic acetal core of zaragozic acid C
作者:Ian Paterson、Klaus Feßner、M.Raymond V. Finlay
DOI:10.1016/s0040-4039(97)00885-x
日期:1997.6
The bicyclic core 6 of zaragozic acid C (7) was prepared by the epoxide cyclisation reaction 21 → 22 → 15. Acetal 15 was also obtained by acid-promoted rearrangement of the isomeric acetal 19.
通过环氧化物环化反应21→22→15制备了川ago酸C(7)的双环核6。通过缩醛异构体19的酸促进重排也可获得缩醛15。