Process for producing chlorosulfonylbenzoylchloride

Details Process for producing chlorosulfonylbenzoylchloride Process for producing chlorosulfonylbenzoylchloride

1978-06-20

1980-07-08

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260544S, 260544N, C07C 6314, C07C14352

Patent

active

042117232

ABSTRACT:
Chlorosulfonylbenzoylchloride having the formula ##STR1## wherein X is hydrogen, halogen or nitro is prepared by reacting phosgene with an aromatic sulfocarboxylic acid having the formula ##STR2## or an alkali metal salt or alkaline earth metal salt thereof in the presence of dimethylformamide.

REFERENCES:
patent: 3184506 (1965-05-01), Parker et al.
patent: 3857841 (1974-05-01), Keil

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