Baars, Hannah published the artcileTransition-Metal-Free Synthesis of Benzimidazoles Mediated by KOH/DMSO, SDS of cas: 2622-67-5, the publication is Organic Letters (2014), 16(2), 536-539, database is CAplus and MEDLINE.
Benzimidazoles are prepared by intramol. N-arylations of amidines mediated by potassium hydroxide in DMSO at 120 °C. In this manner, diversely substituted products have been obtained in moderate to very good yields. E.g., in presence of KOH in DMSO, intramol. N-arylation of amidine (I) gave 73% benzimidazole derivative (II).
Organic Letters published new progress about 2622-67-5. 2622-67-5 belongs to imidazoles-derivatives, auxiliary class Benzimidazole,Benzene,Benzimidazole, name is 1,2-Diphenyl-1H-benzo[d]imidazole, and the molecular formula is C19H14N2, SDS of cas: 2622-67-5.
Referemce:
https://en.wikipedia.org/wiki/Imidazole,
Imidazole | C3H4N2 – PubChem