Process for the preparation of .DELTA. 3-tetrahydrobenzoic acid-

Details Process for the preparation of .DELTA. 3-tetrahydrobenzoic acid- Process for the preparation of .DELTA. 3-tetrahydrobenzoic acid-

1986-04-01

1988-01-26

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

C07C 6744

Patent

active

047218045

ABSTRACT:
The continuous preparation of .DELTA. 3-tetrahydrobenzoic acid- .DELTA. 3-tetrahydrobenzyl ester by reaction of 3-cyclohexene-1-carboxaldehyde is disclosed. The reaction is carried out in the presence of an aluminum mixed alcoholate, in which half of the alcohol components consists of isopropylate groups and the other half of sec-butylate groups.

REFERENCES:
patent: 2698339 (1954-12-01), Hawkins
patent: 2716123 (1955-08-01), Frostick
patent: 3048628 (1962-08-01), Lynn
patent: 3714236 (1973-01-01), Wright
Hester, Ind., and Eng. Chem., 51, pp. 1424-1430, (1959).
Perry, "Chemical Engineer's Handbook," 5th Ed., pp. 4-20, to 4-29 and 4-40 to 4-43, (1973).

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