Synthesis of Substituted Pyrrolin-4-ones from Amino Acids in Mild Conditions via a Gold-Catalyzed Approach
作者:Nicolas Gouault、Myriam Le Roch、Carole Cornée、Michèle David、Philippe Uriac
DOI:10.1021/jo900693a
日期:2009.8.7
The gold-catalyzed cyclization of various α-amino-ynone derivatives gave the corresponding pyrrolin-4-ones in high yields. Moreover, the use of gold(III) oxide as catalyst allows a moderate to total stereocontrol during the cyclization. These pyrrolin-4-ones are highly useful intermediates for the synthesis of functionalized pyrrolidines and other natural products.
各种α-氨基-炔酮衍生物的金催化环化反应以高收率得到相应的吡咯啉-4-酮。此外,使用氧化金(III)作为催化剂可以在环化过程中实现中等至完全的立体控制。这些吡咯烷-4-酮是用于合成官能化吡咯烷和其他天然产物的高度有用的中间体。