Process for preparation of aromatic acid chlorides

Details Process for preparation of aromatic acid chlorides Process for preparation of aromatic acid chlorides

1981-10-08

1983-02-22

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260544D, 260465D, 260544S, 560 77, C07C10706, C07C 5158

Patent

active

043747701

ABSTRACT:
Disclosed is a process for converting aromatic aldehydes to the corresponding acid chlorides by reacting an aromatic aldehyde with sulfuryl chloride in the presence of a catalytic amount of a phosphine, phosphine oxide or phosphonium compound. The product compounds produced by the process of this invention are useful as chemical synthesis intermediates in the preparation of pharmaceuticals, dyes, herbicides and photographic chemicals.

REFERENCES:
patent: 2700679 (1955-01-01), Carnahan et al.
patent: 3962326 (1976-06-01), Semler et al.
patent: 4173580 (1979-11-01), Hemprecht
Durrens, T. H., J. Chem. Society (London), (1922), pp. 44-49.
Patai, Saul, "The Chemistry of Acyl Halides", (1972), pp. 43-44.
Blankenhorn, Ernst, Berichte der Duetschen Chemischen Gesellschaft, (1877), pp. 441-445.

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