Process for the preparation of resorcinol or alkylsubstituted de

Details Process for the preparation of resorcinol or alkylsubstituted de Process for the preparation of resorcinol or alkylsubstituted de

1977-11-01

1979-05-15

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 3908

Patent

active

041549651

ABSTRACT:
A two-stage process for the conversion of certain esters of delta-keto carboxylic acids to the corresponding resorcinol is described, using a first vapor phase stage for cyclization to a dihydroresorcinol followed by a second liquid phase dehydrogenation, in the presence of unconverted ester, to form the resorcinol product.

REFERENCES:
patent: 3627833 (1971-12-01), Tobis
patent: 3932511 (1976-01-01), Schaafsma et al.
patent: 3950438 (1976-04-01), Schaafsma et al.
patent: 4018833 (1977-04-01), Muller et al.

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