Dimerization process

Details Dimerization process Dimerization process

1977-11-23

1978-12-12

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C12000, C07C12120

Patent

active

041295870

ABSTRACT:
Process for the dimerisation of acrylonitrile (ACN) to predominantly linear C.sub.6 dimers using organic phosphinites or phosphonites as catalyst in the presence of a proton-donating solvent and, optionally, a hydrocarbon co-solvent, the ACN and solvent(s) being substantially dry, and a small amount of a compound of a metal of Group IVA to VIIA, VIII or IB to VB being added to the reaction mixture to reduce the amount of polymeric by-product.

REFERENCES:
patent: 3567759 (1971-03-01), Tullio
patent: 3644473 (1972-02-01), Onsager
patent: 3732287 (1973-05-01), Himmele et al.
Muller, et al., Ind. Chem. Belgium (1967) vol. 38, Part III, pp. 38-41.

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