Method for producing aliphatic o-arylurethanes

Details Method for producing aliphatic o-arylurethanes Method for producing aliphatic o-arylurethanes

1988-12-02

1990-05-15

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

546153, 546292, 546335, 549285, 560 25, 560 28, 560 32, 560115, 560132, 560133, 560134, 560135, 560136, C07C125075

Patent

active

049259717

ABSTRACT:
A method for producing aliphatic O-arylurethanes by the reaction of an aliphatic primary amine with an aromatic hydroxyl compound and urea. Ammonia produced as a by-product in the reaction is removed during the reaction so that the ammonia concentration of the reaction solution is maintained at 2 wt % or less.

REFERENCES:
patent: 2409712 (1946-10-01), Schweitzer
patent: 2677698 (1954-05-01), Deutschman
patent: 2806051 (1957-09-01), Brockway
patent: 3873553 (1975-03-01), Hearsey
patent: 4336402 (1982-06-01), Falcone

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