Process for producing saccharin

Details Process for producing saccharin Process for producing saccharin

1976-04-15

1978-02-28

Gallagher, R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560 18, 560 14, C07D27506

Patent

active

040767213

ABSTRACT:
An o-sulfobenzimide having the formula: ##STR1## is prepared by reacting phosgene with a methylbenzoate-o-sulfonate having the formula: ##STR2## WHEREIN M represents potassium or calcium, n is 1 when M is K and n is 2 when M is Ca, in an inert organic solvent in the presence of dimethylformamide; and then reacting ammonia with the reaction product.

REFERENCES:
patent: 2667503 (1954-01-01), Senn

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