Process for the preparation and uses of derivatives of esters of

Details Process for the preparation and uses of derivatives of esters of Process for the preparation and uses of derivatives of esters of

1998-11-06

2000-11-14

Wilson, James O.

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

Organic compounds

Carboxylic acid esters

549206, 560 61, 560 62, 560 83, 560212, 560226, 562599, C07C 6730

Patent

active

061472514

ABSTRACT:
A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of ethylene with .alpha.-olefins and, optionally, nonconjugated polyenes. The promoters can also be combined with transition metal compounds, e.g., vanadium, to form combination promoter-catalyst compounds.

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