Process for producing amidine sulfonic acids

Details Process for producing amidine sulfonic acids Process for producing amidine sulfonic acids

1986-05-28

1987-04-07

Ramsuer, Robert W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544315, 546332, 558413, 260344, 260506, C07C13900, C07D23342

Patent

active

046562915

ABSTRACT:
An efficient synthesis of quanidines, e.g. of the formula (III), by oxidizing a thiourea, e.g. of the following formula (II): ##STR1## with H.sub.2 O.sub.2 and a molybdenum catalyst to yield an aminoiminomethane sulfonic acid which can then be reacted with an amine followed by optional transamination steps.

REFERENCES:
patent: 4210658 (1980-07-01), Durant et al.
patent: 4265896 (1981-05-01), Durant et al.
patent: 4381395 (1983-04-01), Teraji et al.

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