Process for the preparation of phenylhydroquinone

Details Process for the preparation of phenylhydroquinone Process for the preparation of phenylhydroquinone

1991-08-22

1993-05-11

Lone, Warren B.

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

Organic compounds

Oxygen containing

C07C 3912, C07C 3706

Patent

active

052103307

ABSTRACT:
Disclosed is an improved process for the preparation of phenylhydroquinone wherein hydroquinone is first alkylated with cyclohexene to produce cyclohexylhydroquinone which is then dehydrogenated to obtain phenylhydroquinone. The improvement comprises carrying out both the alkylation and dehydrogenation reactions in the presence of a solvent comprising diphenyl ether, biphenyl or a mixture thereof. The solvent possesses selective solubility for hydroquinone and cyclohexylhydroquinone which permits the separation of unreacted hydroquinone from the alkylation reaction product. The boiling point of the solvent also permits the dehydrogenation reaction to be performed at substantially atmospheric pressure.

REFERENCES:
patent: 4798911 (1989-01-01), Lentz et al.
patent: 4847429 (1989-07-01), Fuller et al.

Affiliated with

Also associated with

Rating

Process for the preparation of phenylhydroquinone does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of phenylhydroquinone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of phenylhydroquinone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1352236