Method of preparing tetrarhodium dodecacarbonyl

Details Method of preparing tetrarhodium dodecacarbonyl Method of preparing tetrarhodium dodecacarbonyl

1984-01-09

1985-04-30

Williams, Howard S.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

C01G 104

Patent

active

045143803

ABSTRACT:
An improved process for making tetrarhodium dodecacarbonyl, Rh.sub.4 (CO).sub.12, reacts RhCl.sub.3.xH.sub.2 O with CO under about 200 psig (14.06 kg/cm.sup.2) at a temperature of about 50.degree. C. in the presence of copper metal and an alkali metal halide, e.g. NaCl. The product mixture is contacted with a chlorinated solvent, e.g. CH.sub.2 Cl.sub.2, which dissolves the desired product and is subsequently recovered by evaporating the solvent.

REFERENCES:
patent: 3282648 (1966-11-01), Chiusoli et al.
Hieber et al., Z. anorg. Chem., (1943), 251, 96; C.A., 37, 4643-44.
Martinengo et al., Inorg. Synth., (1980), 20, 209.
James et al., Chem. Ind., (London), 1971, 37, 1036.

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