C-alkylation of hydroquinone or monoethers thereof

Details C-alkylation of hydroquinone or monoethers thereof C-alkylation of hydroquinone or monoethers thereof

1991-01-18

1992-07-21

Lone, Werren B.

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

Organic compounds

Oxygen containing

568763, 568804, C07C 3720, C07C 3908

Patent

active

051324687

ABSTRACT:
The alkyl hydroquinones, e.g., methyl hydroquinone (a useful intermediate in the preparation of the monomer methyl hydroquinone diacetate, itself used for the synthesis of thermotropic polymers), are prepared by reacting (C-alkylating) hydroquinone or a monoether thereof with a lower alkanal, in the vapor phase, with a catalytically effective amount of at least one solid metal oxide.

REFERENCES:
patent: 2296363 (1942-09-01), Messer
patent: 2510937 (1950-06-01), Tadema

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