Preparation of resorcinol and alkyl-substituted derivatives ther

Details Preparation of resorcinol and alkyl-substituted derivatives ther Preparation of resorcinol and alkyl-substituted derivatives ther

1974-03-11

1976-04-13

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260586C, 260617R, 260618R, 260618F, 260638R, C07C 3700, C07C 4500, C07C 2700

Patent

active

039504387

ABSTRACT:
Process for the preparation of resorcinols of the general formula: ##SPC1##
Wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4, which are the same or different, are each hydrogen or an alkyl group containing up to 6 carbon atoms, and the total number of carbon atoms of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is no more than 12 carbon atoms, which comprises contacting keto esters of the general formula ##EQU1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are as defined above, and R.sub.5 is an alkyl, cycloalkyl, or monocyclic or bicyclic aryl or arylalkyl group containing up to 12 carbon atoms, with a dehydrogenation catalyst at a temperature of about 100.degree.C to 500.degree.C.

REFERENCES:
patent: 3580970 (1971-05-01), Swift
patent: 3691102 (1972-09-01), Swift
Vorlander, Liebigs Annalen, 294:270-271.
Kost et al., Zhurnal Obshch. Khim., Vol. 32, pp. 3983-3986, (1962) cited in C.A. Vol. 58, p. 13808d.
Bornstein et al., Chem. Ab., Vol. 48, p. 9933d, (1954).

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