Anchored silylhydrocarbyl phosphine transition metal complex cat

Details Anchored silylhydrocarbyl phosphine transition metal complex cat Anchored silylhydrocarbyl phosphine transition metal complex cat

1975-09-05

1978-04-11

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252429R, 252431C, 252431N, 252431P, 560231, 260604HF, 260666P, 2604482R, 2604482B, 210 40, B01J 3124

Patent

active

040838030

ABSTRACT:
Novel heterogeneous silylhydrocarbyl phosphine transition metal complex catalysts and intermediates therefore are prepared by (a) the selective monoaddition of silane having chlorine, alkoxy or acyloxy groups to an .alpha., .omega.-diene, (b) followed by the addition of a phosphine to the resulting .omega.-alkenyl silanes to form the corresponding silylalkyl phosphines, (c) which are then covalently anchored as such or in the form of their transition metal complexes via condensation of their reactive silane substituents with hydroxy groups of silica and metal oxides, (d) optionally followed by complexing the free phosphine groups of anchored silylalkyl phosphines with transition metal compounds.

REFERENCES:
patent: 3389092 (1968-06-01), Sanford et al.
patent: 3487112 (1969-12-01), Paulik et al.
patent: 3726809 (1973-04-01), Allum et al.
patent: 3832404 (1974-08-01), Allum et al.
Lapporte et al, J. Org. Chem., 28 (July, 1963), pp. 1947-1948.

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