Preparation of urethane products

Details Preparation of urethane products Preparation of urethane products

1990-06-18

1991-10-08

Richter, Johann

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

546226, 548531, 560 27, 560 32, 560114, 560157, 560162, C07D26530, C07D21106, C07D20710, C07C26904

Patent

active

050555774

ABSTRACT:
The present invention provides a process for preparing urethanes from primary or secondary amines, carbon dioxide and a diolefin. The amine is reacted with carbon dioxide to form the ammonium carbamate salt which is then reacted with a stoichiometric amount of a diolefin coordinated to palladium(II).

REFERENCES:
patent: 4467089 (1984-09-01), Bechara
patent: 4945179 (1990-07-01), Drent
Chemistry Express, vol. 1, No. 4, pp. 224-227 (1986) Kinki Chemical Society, Japan.

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