Unexpected formation of 6,7-dihydrobenzo[4′,5′]imidazo-[1′,2′: 1,6]pyrimido[5,4-a]indolizine derivative in the alkylation of 2-amino-1-(benzimidazol-2-yl)-3-(4-methoxybenzoyl)indolizine
作者:T. A. Saraeva、G. E. Khoroshilov、V. S. Brovarets、R. I. Zubatyuk、O. V. Shishkin
DOI:10.1134/s1070363211100227
日期:2011.10
2-amino-1-(benzimidazol-2-yl)-3-(4-methoxybenzoyl) indolizine with alkyl iodides in boiling acetone led to the formation of 6,6-dimethyl-8-(4-methoxybenzoyl)-6,7-dihydrobenzo[4′,5′]imidazo[1′,2′: 1,6]pyrimido[5,4-a]indolizine instead of expected N-alkyl derivatives. The product structure was proved by X-ray analysis.
在沸腾的丙酮中用烷基碘进行2-氨基-1-(苯并咪唑-2-基)-3-(4-甲氧基苯甲酰基)吲哚利嗪的彻底烷基化的尝试导致了6,6-二甲基-8-(4 -甲氧基苯甲酰基)-6,7-二氢苯并[4',5']咪唑并[1',2':1,6]嘧啶基[5,4- a ]吲哚嗪代替预期的N-烷基衍生物。通过X射线分析证明了产品结构。