Preparation of aromatic urethanes

Details Preparation of aromatic urethanes Preparation of aromatic urethanes

1979-08-22

1981-05-12

Breitenstein, G. T.

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

Organic compounds

Carboxylic acid esters

560 25, 560 27, 560 28, 560 30, 560 31, 560 32, 252428, C07C125063, C07C125065, C07C12507, C07C125073

Patent

active

042673534

ABSTRACT:
This invention relates to an improved process for the preparation of urethanes by the reaction of aromatic nitro compounds with alcohols and carbon monoxides in the presence of catalyst systems containing sulphur and/or selenium and/or compounds of these elements.

REFERENCES:
patent: 3895054 (1975-07-01), Zajacek et al.
patent: 3993685 (1976-11-01), Zajacek et al.
patent: 4080365 (1978-03-01), Hirai et al.
patent: 4134880 (1979-01-01), Miyata et al.
patent: 4170708 (1979-10-01), Hirai et al.

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