Stereoselective 1,4-Phenyl
Migration from Silicon to Carbon in α-Siloxy Cyclic Acetal
Systems: A Concise Synthesis of 1,2-<i>cis</i>-Phenyl <i>C</i>-Glycoside and Enantioenriched
Silanol
作者:Katsuhiko Tomooka、Atsuo Nakazaki、Junji Usuki
DOI:10.1055/s-2008-1077953
日期:——
The treatment of O-glycoside with alcohol in the presence of montmorillonite K10 clay and 4-A MS yields the 1,4-aryl migration product with a 1,2-cis-phenyl C-glycoside scaffold and a chiral silyl moiety with high stereoselectivity.
在蒙脱石 K10 粘土和 4-A MS 存在下用醇处理 O-糖苷产生具有 1,2-顺式苯基 C-糖苷支架和具有高立体选择性的手性甲硅烷基部分的 1,4-芳基迁移产物.