Process for preparing tetrahalocyclohexanone

Details Process for preparing tetrahalocyclohexanone Process for preparing tetrahalocyclohexanone

1978-05-01

1980-08-26

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4930

Patent

active

042195055

ABSTRACT:
2,2,6,6-Tetrachloro(or tetrabromo)cyclohexanone is prepared by reacting in the liquid phase chlorine or bromine with a cyclohexanone compound of formula ##STR1## where Y is hydrogen or chlorine (to produce the tetrachloro compound) or hydrogen or bromine (to produce the tetrabromo compound) in the presence as catalyst of an organophosphorus compound of formula ##STR2## where Z is chlorine or bromine; n is 0 or 1; and when n is 0, m is 0 or 2, R.sup.1 is alkyl or phenyl, and R.sup.2 and R.sup.3 are hydrogen, alkyl or phenyl; and when n is 1, m is 0, and R.sup.1, R.sup.2 and R.sup.3 are the same and each is ##STR3## alkyl or phenyl, or R.sup.1 is hydrogen and R.sup.2 and R.sup.3 are alkyl or phenyl;

REFERENCES:
patent: 3894087 (1975-07-01), Gilbert et al.
patent: 3927106 (1975-12-01), Gilbert et al.
patent: 3988369 (1976-10-01), Pearson

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1305283