Interaction of 2,5-diphenyl-3,4-diazacyclopentadienone 3,4-dioxide with vinylphosphonic acid dimethyl ester

Abstract

The interaction of 2,5-diphenyl-3,4-diazacyclopentadienone 3,4-dioxide and vinylphosphonic acid dimethyl ester, irrespective of the ratio of reagents, occurred at one nitrone system of the dioxide and led to the formation of the 1:1 addition product. © 1983 Plenum Publishing Corporation.