Process for preparing para-substituted halogenobenzene derivativ

Details Process for preparing para-substituted halogenobenzene derivativ Process for preparing para-substituted halogenobenzene derivativ

1989-06-30

1990-04-03

Lone, Werren B.

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

Organic compounds

Halogen containing

570190, 570206, 570207, C07C 1712

Patent

active

049142470

ABSTRACT:
A para-substituted halogenobenzene derivative is prepared by halogenating a benzene derivative in the liquid phase in the presence of a molded zeolite catalyst body comprising, based on the weight of the molded zeolite catalyst body, 10 to 95% by weight of an L-type zeolite as the anhydrous state and 5 to 90% by weight of amorphous silica.

REFERENCES:
patent: 4530824 (1985-07-01), Arika et al.
patent: 4754086 (1988-06-01), Higuchi et al.
patent: 4822933 (1989-04-01), Suzuki et al.
T. Wortel et al., "Selective Bromination of Halobenzenes Using Zeolite Catalysts," J. of Catalysis 60, pp. 110-120 (1979).
T. Huizinga, "Zeolite ZSM-5 and Related Materials as Catalyst in Benzene Chlorination," Tetrahedron Letters 21, pp. 3809-3812 (1980).

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