Synthesis of 1,4-dichlorobenzene

Details Synthesis of 1,4-dichlorobenzene Synthesis of 1,4-dichlorobenzene

1987-10-22

1988-10-11

Lone, Werren B.

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

Organic compounds

Halogen containing

570206, 570207, C07C 1712

Patent

active

047773057

ABSTRACT:
In a process for reacting an aromatic compound (preferably chlorobenzene) with free chlorine in the presence of a catalyst comprising a zeolite of the L family (zeolite L) under such reaction conditions as to obtain a product comprising 1,4-dichlorobenzene, the improvement comprises employing ammonium ion-exchanged zeolite of the L family.

REFERENCES:
patent: 3216789 (1965-11-01), Breck et al.
patent: 4645588 (1987-02-01), Buss et al.
"Properties of Ammonium Exchanged Type L Zeolite", by Y. Ono et al., Chem. Soc. Faraday Transactions I, 72, 1976, pp. 2150-2160.
"Acidity, Catalytic Activity and Thermal Stability of Various L Zeolites", by C. Parra et al., Journal of Catalysis, 40, pp. 52-60.

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