The use of donor-only silylmethylcyclopropanes in the Lewis acid promoted reaction with aldehydes to generate 2,5-disubstituted tetrahydrofurans is described. The diastereoselectivity obtained in the product is very much dependent upon the temperature of the reaction.
描述了仅供体的甲
硅烷基
甲基环丙烷在
路易斯酸促进的与醛的反应中生成2,5-二取代的
四氢呋喃。产物中获得的非对映选择性在很大程度上取决于反应温度。