Method for purifying organometal compound

Details Method for purifying organometal compound Method for purifying organometal compound

1995-08-21

1998-07-21

Nazario-Gonzalez, Porfirio

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

Organic compounds

Aluminum containing

556 1, 556 70, 556121, 556170, 556190, C07F 506, C07F 300

Patent

active

057837171

ABSTRACT:
A method for purifying an organometal compound by removing oxygen atom-containing compounds included in the organometal compound as impurities is herein disclosed. The method comprises the steps of mixing an organometal compound represented by the following formula: ##STR1## with a crude product including an oxygen atom-containing compound represented by the following formula: R.sub.3-n M.sup.1 (OR).sub.n or R.sub.2-m M.sup.2 (OR).sub.m and an alkylaluminum chloride represented by the formula: X.sub.6-q Al.sub.2 R and then distilling the resulting mixture. In the foregoing formulas, R's may be the same or different and each represents an alkyl group having 1 to 3 carbon atoms; M.sup.1 represents a trivalent metal element; M.sup.2 represents a divalent metal element; n is an integer of 1, 2 or 3; m is an integer of 1 or 2; q is an integer ranging from 1 to 5; and X represents a chlorine atom.

REFERENCES:
patent: 4797500 (1989-01-01), Kadokura et al.
patent: 4847399 (1989-07-01), Hallock et al.
patent: 5288885 (1994-02-01), Smit et al.

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