Preparation of N-monosubstituted carbamates

Details Preparation of N-monosubstituted carbamates Preparation of N-monosubstituted carbamates

1980-05-02

1983-08-09

Helfin, Bernard

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

Organic compounds

Carboxylic acid esters

560 9, 560 12, 560 25, 560 27, 560 28, 560 29, C07C125065, C07C125073

Patent

active

043980368

ABSTRACT:
An improved process for the preparation of N-monosubstituted carbamates by reacting an aromatic primary amine, urea and a monohydric aliphatic alcohol in the presence of a strongly basic tertiary amine catalyst and optionally an inert solvent.

REFERENCES:
patent: 2409712 (1946-10-01), Schweitzer
patent: 2677698 (1954-05-01), Deutschman, Jr. et al.
patent: 2806051 (1957-09-01), Brockway
patent: 2943108 (1960-06-01), Newcomer et al.
Arunov et al., Chem. Absts., 55, 12261(E), 1961.

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