Solid-phase synthesis of oxazolones and other heterocycles via Wang resin-bound diazocarbonyls
作者:Makoto Yamashita、Sang-Hyeup Lee、Guido Koch、Juerg Zimmermann、Bruce Clapham、Kim D. Janda
DOI:10.1016/j.tetlet.2005.06.061
日期:2005.8
The preparation of Wang resin bound alpha-diazo-beta-ketoesters is described. These highly useful intermediates were used for the synthesis of a series of heterocycle libraries, which were obtained from the resin using TFA cleavage. In addition, a novel route for the synthesis of oxazolones using an N-H insertion strategy is disclosed. (c) 2005 Elsevier Ltd. All rights reserved.