Catalyst for the metathesis of olefins

Details Catalyst for the metathesis of olefins Catalyst for the metathesis of olefins

1984-06-15

1985-10-29

Gantz, D. E.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By alkyl transfer, e.g., disproportionation, etc.

502102, 502117, 502167, 502168, 502171, 585643, 585646, C07C 362

Patent

active

045502161

ABSTRACT:
Improved catalyst for the metathesis of olefins comprising a compound of W with a halogen and with a phenoxy group which can carry substituents. It contains 4 halogen atoms and 2 phenoxy groups per atom of W. Preferably, the phenoxy group is halogenated. This catalyst allows the more rapid carrying out of various types of metathesis reactions, when it is used as a co-catalyst in conjunction with organo-metallic compounds, particularly Al or Sn. Among others, it allows the economical preparation of pheromones. It is practically insensitive to traces of water and oxygen.

REFERENCES:
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Dodd et al., J. Molecular Catalysis, 15, p. 103, (1982).
Otton et al., J. Molecular Catalysis, vol. 8, 313, (1980).
Otton et al., Information Chimie, vol. 201, (May 1980), pp. 161-168.
Kupper et al., Z. Naturforsch, vol. 31(b), 1256, (1976).

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