Although the classical Ritter reaction has beenwidely applied to prepare sterically hindered amides since 1948,it has intrinsic problems,such as harsh reaction conditions,the multistep preparation of synthetic precurs...Although the classical Ritter reaction has beenwidely applied to prepare sterically hindered amides since 1948,it has intrinsic problems,such as harsh reaction conditions,the multistep preparation of synthetic precursors,and the use of solvent quantities of nitrile.In particular,only a few examples of the total synthesis of natural products using the Ritter reaction as a key step have been reported to date.展开更多
基金the NSFC(grant nos.21971095,21772076,and 91956203.)for financially supporting this work.
文摘Although the classical Ritter reaction has beenwidely applied to prepare sterically hindered amides since 1948,it has intrinsic problems,such as harsh reaction conditions,the multistep preparation of synthetic precursors,and the use of solvent quantities of nitrile.In particular,only a few examples of the total synthesis of natural products using the Ritter reaction as a key step have been reported to date.