Glycol ester preparation

Details Glycol ester preparation Glycol ester preparation

1978-12-19

1981-01-13

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260465D, 2604654, 560 20, 560106, 560112, C07C 6705

Patent

active

042451140

ABSTRACT:
In the preparation of glycol esters by the liquid phase reaction of an olefin, molecular oxygen, and a carboxylic acid in the presence of a catalyst system comprising a variable valent cation in association with bromine, chlorine, a bromine-containing compound or a chlorine-containing compound, improved reaction rate and product selectively are achieved by carrying out the reaction in a vertical reaction zone communicating with at least one zone for movement of liquid from the top of the vertical reaction zone to the bottom of said reaction zone, and providing gaseous and liquid feeds in predetermined relationships and providing predetermined vertical superficial liquid velocities.

REFERENCES:
patent: 3346624 (1967-10-01), Schaeffer
patent: 3493609 (1970-02-01), Kronig
patent: 3715389 (1973-02-01), Hoch
patent: 3872164 (1975-03-01), Schmidt
patent: 3907874 (1975-09-01), Harvey
patent: 4008286 (1977-02-01), Hirose
Groggins, "Unit Processes in Organic Synthesis," 3rd Ed., pp. 445-452 & 481-482 (1947).

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