Process for the production of 2,2'-dihydroxy-biphenyls

Details Process for the production of 2,2'-dihydroxy-biphenyls Process for the production of 2,2'-dihydroxy-biphenyls

1981-02-20

1983-04-19

Lone, Werren B.

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

Organic compounds

Oxygen containing

568722, 568723, C07C 3912, C07C 3915

Patent

active

043806767

ABSTRACT:
A process for the production of 2,2'-dihydroxy-biphenyls of the formula I ##STR1## wherein the symbols are as defined in claim 1. The process consists in the oxidative coupling of a phenol of the formula II ##STR2## in the presence of a strong inorganic base, with hydrogen peroxide as oxidizing agent. The reaction temperature is in the range from 30.degree. to 100.degree. C. and 1.5 to 4 moles of a base are employed per mole of phenol of the formula II.

REFERENCES:
patent: 2490282 (1949-12-01), Seubold et al.
patent: 2785188 (1957-03-01), Coe
patent: 2885444 (1959-05-01), Fookes
patent: 3153098 (1964-10-01), Boage
patent: 3247262 (1966-04-01), Kaeding
patent: 4097461 (1978-06-01), Rutledge
patent: 4238627 (1980-12-01), Reichle
Patai, "The Chemistry of the Hydroxy Group", Part 1, (1971), Interscience Publishers, NY pp. 539-567.

Affiliated with

Also associated with

Rating

Process for the production of 2,2'-dihydroxy-biphenyls 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 production of 2,2'-dihydroxy-biphenyls, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of 2,2'-dihydroxy-biphenyls will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-838008