Preparation of carbonates

Details Preparation of carbonates Preparation of carbonates

1981-05-28

1984-03-13

Lee, Mary C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6800

Patent

active

044366680

ABSTRACT:
Carbonates are prepared by reacting carbamic acid esters with alcohols at above 140.degree. C., the ammonia formed being stripped from the reaction mixture during the reaction by passing an inert gas or vapor therethrough.
The carbonates obtainable by the process of the invention are valuable starting materials for the preparation of dyes, crop protection agents and plastics.

REFERENCES:
patent: 2834799 (1958-05-01), Sowa
patent: 4331610 (1982-05-01), Heitz et al.
N. Gaylord, Journal of Organic Chemistry, vol. 25, pp. 1874-1876(1960). Reactions of Disubstituted Carbamates with Alcohols.
P. Smith, Chemistry of Open-Chain Nitrogen Compounds, vol. 1, p. 261, Benjamin, Inc., NY 1965.
M. Groenvald et al., Acta. Chem. Scand. 14, 1374-1380(1960).

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