Process for producing catalyst

Details Process for producing catalyst Process for producing catalyst

1980-01-02

1981-07-07

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252431P, C07F 1500

Patent

active

042774144

ABSTRACT:
A trans-[hydridocarbonyl tris(triorganic phosphine) rhodium (I)]is produced by reducing a trans-[chlorocarbonyl bis(triorganic phosphine) rhodium (I)]with a tetrahydroborate in the presence of a triorganic phosphine in a solvent by heating, an improvement characterized in that the reduction is carried out in the presence of carbon monoxide or a mixture of more than 50 vol. % of carbon monoxide and an inert gas and the reaction mixture if cooled to O.degree. to 30.degree. C. in an atmosphere of carbon monoxide or a mixture of more than 50 vol. % of carbon monoxide and an inert gas and the crystal is separated. The trans-[hydridocarbonyl tris(triorganic phosphine) rhodium (I)]having high purity is obtained at high yield.

REFERENCES:
patent: 3644446 (1972-02-01), Booth et al.
patent: 3859359 (1975-01-01), Keblip
patent: 3939188 (1976-02-01), McVicker
patent: 4021463 (1977-05-01), Kummer et al.
Budd et al., Can. J. Chem. (Canada), vol. 52, No. 5, pp. 775-781, (1974).

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