Hemin Catalyzed Dealkylative Intercepted [2, 3]‐Sigmatropic Rearrangement Reactions of Sulfonium Ylides with 2, 2, 2‐Trifluorodiazoethane
作者:Xiaojing Yan、Chang Li、Xiaofei Xu、Xiaoyong Zhao、Yuanjiang Pan
DOI:10.1002/adsc.201901534
日期:2020.5.12
A dealkylative intercepted [2, 3]‐sigmatropic rearrangement reaction of allylic sulfides with 2, 2, 2‐trifluorodiazoethane (CF3CHN2) is reported, the commercially available and biocompatible catalyst hemin was found to efficiently catalyze this transformation across a diverse set of allylic sulfides with in situ generated CF3CHN2, providing excellent yields (up to 99%) under mild condition without
据报道,烯丙基硫醚与2,2,2,2-三氟重氮乙烷(CF 3 CHN 2)发生脱烷基截获的[2,3]-σ重排反应,发现市售的生物相容性催化剂血红素可有效催化这一变化。原位生成的CF 3 CHN 2烯丙基硫化物,在温和条件下,无需惰性气体保护,即可提供优异的收率(高达99%)。此外,CF 3 CHN 2与其他常用的重氮试剂相比,对这一过程具有独特的反应性。这项工作扩大了由血红素催化的卡宾介导的转化范围,并引入了一种简明而通用的策略来开发有关有机硫化物的新反应可能性。