Process for the preparation of substituted isocyanates

Details Process for the preparation of substituted isocyanates Process for the preparation of substituted isocyanates

1990-07-12

1992-02-25

Lee, Mary C.

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

Organic compounds

Isonitriles

560338, C07C26502

Patent

active

050915533

ABSTRACT:
Process for the preparation of asymmetrically substituted ureas, carbamates, thiocarbamates or substituted isocyanates by reaction of an adduct of isocyanic acid and a tertiary amine with a primary and secondary amine, an alcohol, a thiol or a compound having one or two non-cumulated olefinic double bonds.

REFERENCES:
CA 109:212501h, Isocyanates Derived from Dienes, Their Preparation, and Curable Compositions therefrom, Waterman et al., (6/88).
CA 72:133406v, Poly(Olefin Isocyanates) from Unsaturated Hydrocarbons and Isocyanaic Acid, Wirpsza, (4/70).

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