135939-43-4Relevant articles and documents
FUSED IMIDAZOPHENOTHIAZINES: STUDIES ON THE BERNTHSEN THIONATION OF 1-METHYL-6-(p-TOLYLAMINO)BENZIMIDAZOLE AND 2-METHYL-1-PHENYLBENZIMIDAZOLE
Lopez-Alvarado, Pilar,Avendano, Carmen,Menendez, J. Carlos
, p. 1003 - 1012 (2007/10/02)
Thionation of 1-methyl-6-(p-tolylamino)benzimidazole (obtained from 1-methyl-6-aminobenzoimidazole and p-tolyllead triacetate) afforded a 7:3 mixture of two isomeric imidazophenothiazines, by inclusion of sulphur into the C7 and C2' or C5 and C2' position