Carborane purification

Details Carborane purification Carborane purification

1977-01-21

1978-07-11

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 502

Patent

active

041001990

ABSTRACT:
A simple, efficient and safe method is provided for the separation of carborane products such as 1,2-dicarbacloso-dodecaborane(12), 1-bromomethyl-1,2-dicarba-closo-dodecaborane(12), 1-(n-hexyl)-1,2-dicarba-closo-dodecaborane(12) and various other substituted carborane derivatives from tarry materials present in their reaction mixtures. The method involves dissolving the reaction mixture in a solvent in which all of the components of the reaction are very soluble and non-reactive, and thereafter extracting the solution with a second solvent which is non-reactive and immiscible with the first solvent, and in which side products are insoluble but the desired carborane product is selectively soluble. The purified carborane products have a variety of uses, particularly as intermediates for other products having known utility.

REFERENCES:
patent: 3030422 (1962-04-01), Clark et al.
patent: 3201450 (1965-08-01), Cohen et al.
patent: 3247256 (1966-04-01), Fein et al.
patent: 3287416 (1966-11-01), Bobinski et al.
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patent: 3483258 (1969-12-01), Fein et al.
patent: 3505409 (1970-04-01), Bobinski et al.
Fein et al., Inorg. Chem. V 2, pp. 1115-1119 (1963).
Heying et al., Inorg. Chem. 2, pp. 1089-1092 (1963).
Fein et al., Inorg. Chem., V 2, pp. 1111-1115 (1963).

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