Facile access to 4-(1-alkynyl)-2(5H)-furanones by Sonogashira coupling of terminal acetylenes with β-tetronic acid bromide: efficient synthesis of cleviolide
摘要:
A mild and convenient synthesis of 4-(1-alkynyl)-2(5H)-furanones has been achieved by Sonogashira or Heck-type alkynylation of beta-tetronic acid bromide. As an illustration of this methodology, the natural product cleviolide was prepared in two steps and 78% overall yield. (c) 2006 Elsevier Ltd. All rights reserved.
Facile access to 4-(1-alkynyl)-2(5H)-furanones by Sonogashira coupling of terminal acetylenes with β-tetronic acid bromide: efficient synthesis of cleviolide
作者:John Boukouvalas、Sébastien Côté、Bruno Ndzi
DOI:10.1016/j.tetlet.2006.10.156
日期:2007.1
A mild and convenient synthesis of 4-(1-alkynyl)-2(5H)-furanones has been achieved by Sonogashira or Heck-type alkynylation of beta-tetronic acid bromide. As an illustration of this methodology, the natural product cleviolide was prepared in two steps and 78% overall yield. (c) 2006 Elsevier Ltd. All rights reserved.