A new method for pyrrole peri-annulation: synthesis of 1H-1,5,7-triazacyclopenta[c,d]phenalenes from 1H-perimidines
作者:Alexander V. Aksenov、Alexander S. Lyakhovnenko、Anna V. Andrienko、Irina I. Levina
DOI:10.1016/j.tetlet.2010.02.129
日期:2010.5
New methods for the synthesis of 1H-1,5,7-triazacyclopenta[c,d]phenalenes have been developed based on a sequence involving Schmidt reaction of keto-perimidines and acylation of the intermediate amides with 1,3,5-triazines or carboxylic acids. The same synthetic sequence starting from the corresponding alkylperimidine includes acylation with acetic acid as the first step. (C) 2010 Elsevier Ltd. All rights reserved.