Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1979-07-12
1981-02-10
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568376, 568763, C07C 3701, C07C 3702, C07C 49403
Patent
active
042503418
ABSTRACT:
The intermediate 2,2,6,6-tetrachloro (or tetrabromo) cyclohexanone is prepared by reacting chlorine (or bromine) with a cyclohexanol compound of the formula ##STR1## where each Y represents an atom of hydrogen or chlorine (or hydrogen or bromine) in the presence of, as catalyst, a certain organophosphorus compound.
REFERENCES:
patent: 2116893 (1938-05-01), Heisel
patent: 2674572 (1954-04-01), Gundel et al.
patent: 3360565 (1967-12-01), Arnoldy
patent: 3385902 (1968-05-01), Bright et al.
patent: 3988369 (1976-10-01), Pearson
Miller John
Needham Brian J.
Evans Joseph E.
Fisons Limited
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