Process for the preparation of oligophenyls dihalogenated in the

Details Process for the preparation of oligophenyls dihalogenated in the Process for the preparation of oligophenyls dihalogenated in the

1990-08-23

1991-10-01

Lone, Werren B.

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

Organic compounds

Halogen containing

570206, 570207, C07C 1712, C07C 2518

Patent

active

050535668

ABSTRACT:
Oligophenyls dihalogenated in the 4,4'-position, of the formula ##STR1## can be prepared by catalyzed halogenation of oligophenyls of the formula ##STR2## wherein, in the formulae, X.sup.1 and X.sup.2 independently of one another represent chlorine or bromine, preferably chlorine,

REFERENCES:
patent: 3833674 (1974-09-01), Brackenridge
patent: 4950817 (1990-08-01), Botta
Synthesis No. 12, Dec. 1985, pp. 1157, 1158, Stuttgart, Del.; K. Smith: "Highly Para-Selective Mono-Chlorination of Aromatic Compounds Under Mild Conditions by t-Butyl Hypochlorite in the Presence of Zeolites".
Patent Abstracts of Japan, vol. 4, No. 101 (C-19) (593), Jul. 19, 1980; & JP-A-5564532 (Hodogaya Kagaku) May 15, 1980.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1756261