Preparation of phenols by direct N.sub.2 O hydroxylation of arom

Details Preparation of phenols by direct N.sub.2 O hydroxylation of arom Preparation of phenols by direct N.sub.2 O hydroxylation of arom

1990-06-22

1991-10-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

568754, 568771, C07C 3760

Patent

active

050556231

ABSTRACT:
Phenol/substituted phenols are prepared by directly hydroxylating an aromatic substrate with nitrous oxide, in vapor phase, in the presence of a modified (acidified) ZSM-5 or ZSM-11 zeolite, containing such elements as Ga, Fe, B, In, Cr, Sc, Co, Ni, Be, Zn, Cu, Sb, As or V.

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