Synthesis of substituted 7,8-di(propylsulfonyl)pyrrolo[1,2-a]pyrazines
作者:N. E. Dontsova、A. M. Shestopalov、V. P. Litvinov
DOI:10.1007/s11172-008-0069-9
日期:2008.2
Heating of pyrazinium salts with E-1,2-dichloro-1,2-di(propylsulfonyl)ethene in chloro-form in the presence of three-fold excess of Et3N regiospecifically gives rise to substituted 7,8-di(propylsulfonyl)pyrrolo[1,2-a]pyrazines in high yields.