5-Endo-trig cyclisation and 1,3-anionic cycloaddition in arylimine derivatives of α-amino acid esters
作者:Ronald Grigg、James Kemp、John Malone、Anant Tangthongkum
DOI:10.1039/c39800000648
日期:——
Michael adducts of imines of α-amino acid esters are converted into a mixture of two stereoisomeric pyrrolidines by benzyltrimethylammonium methoxide (BTAM) apparently by a 5-endo-trig cyclisation.
的亚胺的迈克尔加成物α -氨基羧酸酯是显然是由5-转换成苄基三甲基甲醇(BTAM)两种立体异构的吡咯烷的混合物中的内切trig的环化。