Process for the preparation of urethane

Details Process for the preparation of urethane Process for the preparation of urethane

1980-02-27

1981-12-08

Breitenstein, G. T.

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

Organic compounds

Carboxylic acid esters

560 25, 560 26, 560 28, 560 30, 560 31, 560 32, 560 33, 560115, 560132, 560133, 560134, 560157, 560158, 560159, 560161, 560162, 560163, 560164, C07C125065, C07C125073

Patent

active

043049222

ABSTRACT:
Production of urethanes by the oxycarbonylation reaction of N,N'-disubstituted ureas and organic compounds containing at least one hydroxyl group with carbon monoxide in the presence of molecular oxygen and/or organic nitro compounds and a catalyst system comprising (a) a noble metal and/or noble metal compound of the eighth subgroup of the periodic system of elements and (b) a compound of an element and/or elements of the third to fifth main group and/or first to eighth subgroup of the periodic system of elements characterized in that said compounds are capable of undergoing Redox reactions under the reaction conditions.

REFERENCES:
patent: 2409712 (1946-10-01), Schweitzer
patent: 3467694 (1969-09-01), Hardy et al.
patent: 3627813 (1971-12-01), Abbate et al.
patent: 3873553 (1975-03-01), Hearsey
patent: 4134880 (1979-01-01), Wiyata et al.
patent: 4178455 (1979-12-01), Hirai et al.

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