Preparation of certain alkaline earth metal organometallic compo

Details Preparation of certain alkaline earth metal organometallic compo Preparation of certain alkaline earth metal organometallic compo

1984-11-08

1985-11-26

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502154, 502171, 568851, C08F 448, C08F 450, C07C 3130

Patent

active

045554986

ABSTRACT:
Stable, hydrocarbon-soluble organobarium-, organocalcium-, and organostrontium-containing polymerization initiators are prepared by reacting certain calcium, barium or strontium alkoxides with organolithium, diorganomagnesium or triorganoaluminum compounds and combinations thereof. By way of illustration, the barium alkoxides soluble in hydrocarbon or chlorinated hydrocarbon solvents are prepared by reacting a suspension of barium amide in a hydrocarbon or a chlorinated hydrocarbon solvent with stoichiometric quantities of certain alcohols, alone or in the presence of chelating tertiary di- or polyamines. Alcohols suitable for the preparation of hydrocarbon- or chlorinated hydrocarbon-soluble barium alkoxides are C.sub.4 -C.sub.12 aliphatic and cycloaliphatic alcohols possessing alkyl branches at the one or two-positions, or mixtures of such alcohols. Other suitable alcohols are 2-alkoxy-1-alkanols and .gamma.-alkoxy-poly(ethyleneoxy)-1-ethanols.

REFERENCES:
patent: 3541149 (1970-11-01), Langer
patent: 3903019 (1975-09-01), Hargis et al.
patent: 4033900 (1977-07-01), Hargis et al.
patent: 4092268 (1978-05-01), Zarauz
patent: 4260519 (1981-04-01), Aggarwal et al.
patent: 4297240 (1981-10-01), Bingham et al.

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