Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-07-16
1976-07-06
Ford, John M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D29106
Patent
active
039681076
ABSTRACT:
6-Methyl-3,4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide and the nontoxic salts thereof are prepared by reacting acetoacetic acid with fluorosulfonyl isocyanate at a temperature of from -20.degree.C to +50.degree.C in the presence of from 0.5 to 2 moles, calculated on the FSI used, of an alkali methal fluoride or a tertiary amine of the formula
REFERENCES:
patent: 3917589 (1975-11-01), Clauss et al.
Clauss Karl
Jensen Harald
Pietsch Hartmut
Schmidt Erwin
Ford John M.
Hoechst Aktiengesellschaft
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