HCID 86747255, compound → HCID 178488144, compound

Participants

Reaction Steps

Substituting 2-(4-piperidino-5-bromo-2-pyridylmethylthio)-5-methoxy-(1H)-benzimidazole (3.83 g) for 2-(4-morpholino-3-chloro-2-pyridylmethylthio-5-methoxy-(1H)-benzimidazole and using corresponding molar proportions of the other reagents in the method of Example 4 gave after chromatography (silica gel, chloroform:methanol-ammonia) 2-(4-piperidino-5-bromo-2-pyridylmethylsulphinyl)-5-methoxy-(1H)-benzimidazole, 3.15 g, m.p. 114°-8° C., from ether.

Provenance & Evidence