80785-71-3Relevant articles and documents
Cyclodehydrogenation of N-Benzylidene-o-phenylenediamines to 2,2'-Diaryl-1,1'-bibenzimidazoles with Dioxygen Catalyzed by Copper(I) Chloride in Pyridine. A Structural Study of 2,2'-Bis(3,4,5-trimethoxyphenyl)-1,1'-bibenzimidazole
Speier, Gabor,Parkanyi, Laszlo
, p. 218 - 221 (2007/10/02)
2,2'-Diaryl-1,1'-bibenzimidazoles (10) were prepared in 32-66percent yields from N-benzylidene-o-phenylenediamines (1) through oxidation with dioxygen catalyzed by copper(I) chloride in pyridine.Substitution on the benzene ring in the benzylidene group se