Process for the manufacture of 6-methyl-3,4-dihydro-1,2,3-oxathi

Details Process for the manufacture of 6-methyl-3,4-dihydro-1,2,3-oxathi Process for the manufacture of 6-methyl-3,4-dihydro-1,2,3-oxathi

1975-07-16

1976-07-06

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D29106

Patent

active

039681068

ABSTRACT:
6-Methyl-3,4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide and the nontoxic salts thereof are prepared by reacting acetone and fluorosulfonyl isocyanate in a molar proportion of from 14:1 to 150:1 at a temperature of from 0.degree. to 60.degree.C, distilling off the excess acetone from the reaction mixture with acetoacetamide-N-sulfofluoride and bringing about cyclization by a treatment with bases at a pH of from 5 to 12. The oxathiazinone derivatives are used as sweeteners.

REFERENCES:
patent: 3917589 (1975-11-01), Clauss et al.

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