Dimerization process

Details Dimerization process Dimerization process

1979-10-18

1982-02-23

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12000, C07C12120

Patent

active

043168574

ABSTRACT:
A process for the dimerization of acrylonitrile to dicyanobutene and methylene-glutaronitrile under the influence of a phosphinite or phosphonite catalyst uses as solvent a mixture of proton-donating organic solvent, an aromatic hydrocarbon solvent and an aliphatic hydrocarbon solvent in a specified ratio so facilitating product isolation by phase separation or liquid/liquid extraction.

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patent: 4100186 (1978-07-01), Wright
patent: 4102915 (1978-07-01), Jennings et al.
patent: 4126632 (1978-11-01), Hogan et al.
patent: 4129587 (1978-12-01), Jennings et al.
patent: 4129589 (1978-12-01), Eliades et al.
patent: 4138428 (1979-02-01), Jennings et al.
Clark et al., Quarterly Reviews, 18, (1964), pp. 295-320.
Hackh's, Chemical Dictionary, 4th ed., (1969), Edited by Grant, McGraw-Hill, pp. 25 and 60.
Dietsche, Die Reaktion von Phosphinigsaureestern Mit Acrylnitril, Tetrahedron Letters, 51, pp. 6347-6351 (1966).

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