A method for the preparation of cyclopropyl carbinols by cyclopropanation of unsaturated alcoholates, utilising a reagent system selected from (A) magnesium metal and dibromomethane, and (B) dibromomethane and a tertiary Grignard reagent, the reaction being carried out in the presence of an ether solvent. The process is useful, for example, for the preparation of ingredients for the flavour and fragrance industry.
一种通过使用选自(A)
镁金属和
二溴甲烷,以及(B)
二溴甲烷和三级
格氏试剂的试剂体系,通过
环丙烷化不饱和醇酸盐来制备环丙基醇的方法,该反应在醚溶剂存在下进行。该过程可用于为
香料和香精行业的成分制备。