Calcium-catalyzed dehydrative allylation of P-ylides and sequential Wittig reaction for streamlined access to versatile 1,4-dienes
作者:Xiaohong Li、Dong Zhang、Yan Wang、Shiji Xiao、Ying Wu、Peizhong Xie、Teck-Peng Loh
DOI:10.1039/d3nj03640e
日期:——
P-ylides with activated allylic alcohols has been developed. This protocol utilizes a calcium catalyst to facilitate the cleavage of C–OH bonds and enables smooth dehydrative cross-coupling with P-ylides, resulting in water as the sole by-product. Remarkably, this transformation exhibits excellent tolerance towards a diverse range of allylic alcohols and P-ylides. Furthermore, the subsequent Wittig reaction
已开发出稳定的 P-叶立德与活化烯丙醇的无过渡金属脱水烯丙基化。该方案利用钙催化剂促进 C-OH 键的裂解,并实现与 P-叶立德的顺利脱水交叉偶联,从而产生水作为唯一的副产物。值得注意的是,这种转化对各种烯丙醇和 P-叶立德表现出优异的耐受性。此外,随后的 Wittig 反应以高产率提供了多种高度官能化的 1,4-二烯。