Preparation of p-substituted aromatic carbamic acid esters

Details Preparation of p-substituted aromatic carbamic acid esters Preparation of p-substituted aromatic carbamic acid esters

1980-06-02

1981-08-04

Breitenstein, G. T.

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

Organic compounds

Carboxylic acid esters

560 27, 560 28, 560 30, 560 31, 560 32, C07C125065, C07C125067

Patent

active

042823684

ABSTRACT:
p-Substituted, aromatic carbamic acid esters are prepared by reacting an aromatic carbamic acid ester with an olefin in the presence of an inorganic acid or sulfonic acid.
The aromatic carbamic acid esters obtainable by the process of the invention are active ingredients for pesticides and drugs, as well as valuable starting materials for the preparation of such ingredients and of dyes.

REFERENCES:
patent: 2860166 (1958-11-01), Newcomer et al.
Muller, Houben-Weyl, Methoden der Organischen Chemie, vol. 11/1, pp. 137-145 and 948 (1971).
Foerst, Ullmanns Encyklopadie der technischen Chemie, vol. 5, pp. 73-76 (1954).
Donnley et al., Chem. Absts., 51, 16325(f), (1957).

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