Laboratorium für Organische Chemie, ETH Zürich, CH-8093 Zürich, Switzerland.
Org Lett. 2011 Jun 17;13(12):3080-1. doi: 10.1021/ol200983s. Epub 2011 May 17.
A convenient iron-catalyzed procedure to prepare trifluoromethylated vinyl- and alkynylcyclopropanes in a chemo- and diastereoselective manner is presented. The active diazo compound (trifluoromethyl diazomethane) is generated in situ and used in the concomitant cyclopropanation reaction.
本文介绍了一种方便的铁催化方法,以化学和立体选择性的方式制备三氟甲基化的乙烯基和炔基环丙烷。活性重氮化合物(三氟甲基重氮甲烷)原位生成,并用于伴随的环丙烷化反应。