Purification of tri-alkyl compounds of Group 3a metals

Details Purification of tri-alkyl compounds of Group 3a metals Purification of tri-alkyl compounds of Group 3a metals

1992-11-05

1994-02-22

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 7, 556187, C07F 500, C07F 506

Patent

active

052888851

ABSTRACT:
A tri-alkyl compound of a Group 3a metal is purified by a process in which a polyether of the formula ##STR1## wherein R independently is alkyl of 1 to 4 carbon atoms inclusive, each R' independently is hydrogen, methyl or ethyl; m is an integer from 1 to 6 inclusive; and n is an integer from 1 to 12 inclusive, is added to a composition comprising a tri-alkyl compound and the polyether. The adduct is heated to dissociate the adduct thermally into a mixture containing tri-alkyl compound of the Group 3a metal, and the mixture is subjected to distillation to recover the tri-alkyl compound of the Group 3a metal.

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