Manufacture of amidosulfonic acids

Details Manufacture of amidosulfonic acids Manufacture of amidosulfonic acids

1977-08-05

1978-09-26

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14386

Patent

active

041170040

ABSTRACT:
Amidosulfonic acids are manufactured by reacting ureas first with sulfur trioxide and then with sulfuric acid in the presence of organic solvents. The products are sweeteners, in particular cyclohexylamidosulfonic acid and its calcium, sodium and potassium salts, and starting materials for the manufacture of sweeteners, dyes and pesticides.

REFERENCES:
patent: 2102350 (1937-12-01), Baumgarten
patent: 2191754 (1940-02-01), Cupery
patent: 2390648 (1945-12-01), Hill et al.
patent: 3555081 (1971-01-01), Zirner et al.

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