In the presence of AlCl 3 , trimethylsilyl cyanide underwent 1,4- and subsequent 1,2-additions with α,β-unsaturated imines to give 2-aminopentanedinitriles in good yields. An asymmetric version of this type of bis-cyanation was successfully conducted using a chiral α,β-unsaturated imine possessing a phenylglycinol derivative as a chiral auxiliary.
在 AlCl 3 存在下,三甲基
氰化
硅烷与 α,β-不饱和
亚胺进行 1,4- 和随后的 1,2-加成,以良好的产率得到 2-
氨基
戊二腈。使用具有苯基甘
氨醇衍
生物作为手性助剂的手性 α,β-不饱和
亚胺成功地进行了这种双
氰化的不对称形式。