Preparation of cyclohexane dicarboxylic acids

Details Preparation of cyclohexane dicarboxylic acids Preparation of cyclohexane dicarboxylic acids

1983-10-24

1988-06-28

Moyer, Donald B.

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

Organic compounds

Carboxylic acids and salts thereof

260690, C07C 6109

Patent

active

047540648

ABSTRACT:
Cyclohexane dicarboxylic acids are prepared by hydrogenating phthalic acids in presence of a rhodium catalyst wherein a portion of the product stream is isolated and recycled to the reactor.

REFERENCES:
patent: 2675390 (1954-04-01), Rosenblatt
patent: 2828335 (1958-03-01), Ferstandig et al.
patent: 2888484 (1959-05-01), Dehm et al.
patent: 3326972 (1967-06-01), Schenk et al.
patent: 3420908 (1969-01-01), Sherk et al.
patent: 3444237 (1969-05-01), Jaffe
J. Organic Chemistry, vol. 31, 1966, pp. 3438-3439; Freifelder et al.

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