Process for the preparation of N-alkyl-monosubstituted carbamic

Details Process for the preparation of N-alkyl-monosubstituted carbamic Process for the preparation of N-alkyl-monosubstituted carbamic

1980-07-30

1982-06-22

Shippen, Michael

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

Organic compounds

Carboxylic acid esters

560148, 560160, C07C125065

Patent

active

043364020

ABSTRACT:
A process for the preparation of N-alkyl-monosubstituted carbamic acid esters by reacting an unsubstituted carbamic acid ester and an aliphatic primary amine at a suitable pressure and reaction temperature in the presence of a monohydric aliphatic alcohol and preferably in the presence of a strongly basic tertiary amine as catalyst. Optionally an inert co-solvent in addition to the alcohol may be employed.

REFERENCES:
patent: 2041733 (1936-05-01), Werntz
patent: 2409712 (1946-10-01), Schweitzer
patent: 2677698 (1954-05-01), Deutschman
patent: 2806051 (1957-09-01), Brockway
patent: 2871259 (1959-01-01), Levy
Roberts, "Basic Principles of Organic Chemistry," pp. 879-882 (1964).

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