VI-111. R= C~ H~ ONCHINHSOZ (19) sodium hydrosulfite, and the nitro derivatives 9-12 and 14-17 were reduced with hydrogen and Raney nickel (Table 11). When the nitro compound l-methyl-4-nitro-5-(dimethylaminomethyl-enesulfamy1) imidazole (13) was reduced, it mas converted into l-methy1-4-aminod-(dimethylaminomethylsulfamy1) imidazole (38). Crystalline products could not be obtained after hydrogenation of the other ...
