[R(Cl)GaAs(SiR'.sub.3).sub.2 ].sub.n

Details [R(Cl)GaAs(SiR'.sub.3).sub.2 ].sub.n [R(Cl)GaAs(SiR'.sub.3).sub.2 ].sub.n

1989-12-04

1990-12-25

Prescott, Arthur C.

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

Organic compounds

Heavy metal containing

556 12, C07F 702

Patent

active

049804901

ABSTRACT:
A novel gallium arsenide precursor has the formula R.sub.2 GaAs(SiR').sub.2 wherein R is selected from the group consisting of alkyl substituted cycloaliphatic group and alkyl substituted aromatic group and R' is alkyl. Preferably, R is pentamethylcyclopentadienyl and R' is methyl. The precursor is reacted with an alcohol, preferably ethanol or t-butanol at a temperature ranging from -20.degree. C. to 60.degree. C., preferably at room temperature, under water free conditions to form solid gallium arsenide and by-products which are liquid under the reaction conditions. The gallium arsenide forming reaction may be aided by a catalyst providing amount of a substance which is considered to react with excess alcohol reactant to generate a catalytic amount of HCl, e.g., (CH.sub.3).sub.3 SiCl or [R(Cl)GaAs(SiR'.sub.3).sub.2 ].sub.n wherein R is pentamethylcyclopentadienyl and R' is methyl and in solution in benzene n is 1 and 3.

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