Process for ubiquinone intermediates

Details Process for ubiquinone intermediates Process for ubiquinone intermediates

2011-03-01

2011-03-01

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Oxygen containing

Reexamination Certificate

active

07897822

ABSTRACT:
A process for the preparation of terminally ethylenically unsaturated isopolyprenols characterized in that a carbonyl compound is reacted with ethine in the presence of ammonia and low amounts of an alkaline metal hydroxide and, if desired, the terminally acetylenically unsaturated isopolyprenol obtained is partially hydrogenated in the presence of a catalyst suitable for selective hydrogenation.

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Database Caplus [Online] Chemical Abstract Service, Abstract of Takeshi et al., “Ketone Ethynylation in 1, 3-Dialkyl-2-Imidazolidinones”, 1 Page, (Aug. 3, 1979).
Nazarov, I. N. et al., “The Synthesis of Fatty Acids and Alcohols from Tertiary Vinylcarbinols”, Journal of General Chemistry of the USSR, vol. 30, No. 1, pp. 467-473, (Feb. 1960).
International Search Report for PCT/EP2006/011781, mailed May 14, 2007.
Written Opinion of the International Searching Authority for PCT/EP2006/011781, mailed May 14, 2007.

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