Process for the preparation of 2-chloro- or 2-bromo-naphthalene

Details Process for the preparation of 2-chloro- or 2-bromo-naphthalene Process for the preparation of 2-chloro- or 2-bromo-naphthalene

1990-07-03

1991-08-27

Lone, Werren B.

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

Organic compounds

Halogen containing

C07C 1724

Patent

active

050434934

ABSTRACT:
Process for the preparation of 2-chloro- or 2-bromonaphthalene by isomerizing 1-chloro- or 1-bromonaphthalene over a zeolite as a catalyst which, in the anhydrous and template-free form, has the general formula (A)

REFERENCES:
patent: 4368339 (1983-01-01), Tada et al.
patent: 4806697 (1989-02-01), Rule et al.
patent: 4806698 (1989-02-01), Rule et al.
patent: 4935561 (1990-06-01), Eiechler et al.
S. N. Borisov et al., "Acetoxysiloxane Oligomers--I. The Interaction of Acetic Anhydride with Cyclic Dimethylsiloxanes", Journal of Organometallic Chemistry., vol. II, (1968, pp. 27-33).
N. N. Vorozhtsov, Jr. et al., "Catalytic Conversion of Halogen Derivatives in the Aromatic Series", J. Gen. Chem. (USSR), vol. 24, (1954), pp. 667-672.
J. P. Wibaut, F. L. J. Sixma and J. F. Suyver, "The Bromination of Naphthalene III", Rec. Trav. Chim., vol. 68, (1949), pp. 525-546.

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