Manufacture of .beta.-chlorocarboxylic acid chlorides

Details Manufacture of .beta.-chlorocarboxylic acid chlorides Manufacture of .beta.-chlorocarboxylic acid chlorides

1978-11-13

1980-07-22

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562493, 562603, C07C 5158

Patent

active

042139198

ABSTRACT:
The manufacture of .beta.-chlorocarboxylic acid chlorides by reacting .alpha..beta.-olefinically unsaturated carboxylic acids with phosgene is advantageously carried out by first at least partially reacting the unsaturated carboxylic acid with hydrogen chloride and then carrying out the reaction with phosgene.

REFERENCES:
patent: 2759018 (1956-08-01), Opfermann
patent: 2774785 (1956-12-01), Wystrach
patent: 2848491 (1958-08-01), Mackenzie et al.
patent: 3149155 (1964-09-01), Siefelder
patent: 3544627 (1970-12-01), Carr et al.
patent: 3547960 (1970-12-01), Hauser
patent: 3857841 (1974-12-01), Keil

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