Preparation of catechol monoethers and catechols

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

568653, 568772, 568766, 502326, C07C 4100

Patent

active

060138440

ABSTRACT:
A process for preparing catechol monoethers or catechols of the formula Ia or Ib ##STR1## where R.sup.1 and R.sup.2 are, independently of one another, hydrogen or C.sub.1 -C.sub.8 hydrocarbon radicals, and R.sup.3 is a C.sub.1 -C.sub.8 hydrocarbon radical, which comprises a 2-hydroxycyclohexanone dialkyl ketal of the formula II or a 2-alkoxycyclohexanone of the formula III ##STR2## a) being reacted in the gas phase in the presence of palladium on zirconium oxide as catalyst to obtain compounds Ia or

REFERENCES:
patent: Re29201 (1977-05-01), McKague
patent: 3682838 (1972-08-01), Bloch
patent: 3801651 (1974-04-01), Adolphen et al.
patent: 3819719 (1974-06-01), McKague et al.
patent: 3900522 (1975-08-01), Greco
patent: 4131628 (1978-12-01), Antos
patent: 4161614 (1979-07-01), Konz et al.
patent: 4254288 (1981-03-01), Gladwin
patent: 4716143 (1987-12-01), Imai
patent: 5266171 (1993-11-01), Hermeling
patent: 5319148 (1994-06-01), Karcher et al.
Ind. Eng. Chem., Prod. Res. Dev., vol. 15, No. 3, 1976, Varagnat, Hydroquinone and Pyrocatechol Production by Direct Oxidation of Phenol, 212-215.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Preparation of catechol monoethers and catechols does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of catechol monoethers and catechols, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of catechol monoethers and catechols will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1463776

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.