Lewis acid promoted condensation of carbonyl compounds with alkoxyallylsilanes synthesis of substituted tetrahydropyrans
作者:Z.Y Wei、J.S Li、D Wang、T.H Chan
DOI:10.1016/s0040-4039(00)96321-4
日期:——
The condensation of alkoxyallylsilanes with carbonyl compounds under Lewis acid conditions gave all -4-chloro-2,6-disubstituted-tetrahydropyrans. The reaction was found to proceed through a mixed silyl acetal intermediate.
在路易斯酸条件下烷氧基烯丙基硅烷与羰基化合物的缩合得到所有的-4-氯-2,6-二取代的四氢吡喃。发现反应通过混合的甲硅烷基乙缩醛中间体进行。