Process for the preparation of aromatic urethanes

Details Process for the preparation of aromatic urethanes Process for the preparation of aromatic urethanes

1979-06-06

1981-02-17

Myers, Jane S.

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

Organic compounds

Carboxylic acid esters

260465D, 560 9, 560 21, 560 22, 560 25, 560 27, 560 28, 560 30, 560 31, 560 32, 560 26, 560 29, 560 33, C07C125065, C07C125073

Patent

active

042516676

ABSTRACT:
A process for the preparation of aromatic urethanes by reacting an aromatic amine, an alcohol and carbon monoxide in the presence of a catalytic quantity of a copper salt, oxygen and a dehydrating agent is disclosed. The reaction is preferably carried out using a copper halide catalyst and dehydrating agents which combine with water to release the alcohol used in the preparation of the urethane product.

REFERENCES:
T. Saegusa et al., Bull. Chem. Soc., Japan, vol. 42, pp. 2610-2614 (1969).
B. Nefedor et al., Isz. Okad. Nauk. S.S.S.R., Ser Khim, No 9, pp. 1536-1540, 1973.
T. Saegusa et al., Tetrahedron Letters, vol. 49, pp. 6125-6129, 1966.

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