The reduction of three racemic propargylic bromides by Hiyama's reagent (CrCI2 in THF) in the presence of protonic chiral reagents and HMPT efficiently affords optically active allenic compounds with an enantiomeric purity of 15–25%.
在质子手性试剂和HM
PT的存在下,通过Hiyama试剂(THF中的CrCl 2)还原三种外消旋的炔丙基
溴,可以有效地提供对映体纯度为15–25%的旋光性烯丙化合物。