Generation of pyrrolo[2,3-d]pyrimidines. Unexpected products in the multicomponent reaction of 6-aminopyrimidines, dimedone, and arylglyoxal
作者:Jairo Quiroga、Paola A. Acosta、Silvia Cruz、Rodrigo Abonía、Braulio Insuasty、Manuel Nogueras、Justo Cobo
DOI:10.1016/j.tetlet.2010.08.021
日期:2010.10
A series of 6-aryl-5-(1-cyclohexen-1-yl)pyrrolo[2,3-d]pyrimidines 9a-q were obtained by the three-component reaction between 6-aminopyrimidines 6, 7, 8, dimedone 2, and arylglyoxal 5a,b. The unexpected cyclization process was established by NMR and X-ray diffraction measurements. (C) 2010 Elsevier Ltd. All rights reserved.