Process for producing amidine sulfonic acid intermediates for gu

Details Process for producing amidine sulfonic acid intermediates for gu Process for producing amidine sulfonic acid intermediates for gu

1987-07-20

1989-07-25

Ramsuer, Robert W.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041577, 20415772, 20415777, 20415782, C07C14302, C07C14358

Patent

active

048510947

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: 4381395 (1983-04-01), Teraji et al.
Chemical Abstracts, vol. 76, p. 430, 59163c (1972).

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