Back to results
US 7,045,451 B2Granted
Preparation of group IVA and group VIA compounds
AssigneeRohm and Haas Electronic Materials LLC
InventorDeodatta Vinayak Shenai-Khatkhate
Life of this patent
Estimating the term…
Abstract
Methods of preparing Group IVA and Group VIA organometallic compounds, particularly Group IVA organometallic compounds, are provided. Such manufacturing methods employ an amine and/or phosphine catalyst in a transalkylation step and may be performed in a batch, semi-continuous or continuous manner.
Claims10
A method of preparing an organometallic compound comprising the step of:
- reacting a metal halide of the formula RmMX4-m with a Group IIIA compound of the formula R1nM1X13-n in the presence of a catalyst chosen from a tertiary amine, a tertiary phosphine and mixtures thereof in an organic solvent to provide an alkylmetal compound, wherein each R is independently chosen from H, alkyl, alkenyl, alkynyl and aryl;
- M is chosen from a Group IVA metal and a Group VIA metal;
- each X is independently a halogen;
- each R1 is independently chosen from (C1–C6)alkyl;
- M1 is a Group IIIA metal,;
- each X1 is independently a halogen;
- m=0–3;
- and n=1–3.
5 more elements
Dependencies are inferred from the claim text.