Synthesis of carbamoylpyridine and imidazo[1,5-a]pyridin-1,3-diones via ortho-acetalhydantoin intermediates
作者:Jean M. Chezal、Emmanuel Moreau、Nicolas Desbois、Yves Blache、Olivier Chavignon、Jean C. Teulade
DOI:10.1016/j.tetlet.2003.10.200
日期:2004.1
A new method for preparing carbamoylpyridine and imidazo[1,5-a]pyridin-1,3-dione rings from an ortho-acetalmethylideneimidazolidin-2,4-dione is described. (C) 2003 Published by Elsevier Ltd.