Process for preparing vinyl substituted beta-diketones

Details Process for preparing vinyl substituted beta-diketones Process for preparing vinyl substituted beta-diketones

2006-06-27

2006-06-27

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S316000, C568S317000, C568S348000, C568S349000, C568S394000, C568S395000, C556S041000

Reexamination Certificate

active

07067702

ABSTRACT:
A process for preparing vinyl substituted beta-diketones includes reacting a halogen-containing beta-diketone with an olefin in a reaction zone under Heck coupling reaction conditions in the presence of a catalyst, a base, and an organic phosphine to provide a vinyl substituted beta-diketone product.

REFERENCES:
patent: 3004932 (1961-10-01), Despic et al.
patent: 6548684 (2003-04-01), Indolese et al.
patent: 6867310 (2005-03-01), Buchwald et al.
Southard et al. Synthesis of Vinyl-Substituted B-Diketones for Polymerization Metal Complexes.□□Journal of Organic Chemistry, 2005, vol. 70, p 9036-9039.

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