Process for the preparation of phytone

Details Process for the preparation of phytone Process for the preparation of phytone

2006-01-17

2006-01-17

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S396000, C568S398000, C568S415000

Reexamination Certificate

active

06987203

ABSTRACT:
A process for the preparation of a novel intermediate compound useful in the preparation of phytone and vitamin E.

REFERENCES:
patent: 3867408 (1975-02-01), Dietl et al.
patent: 3917710 (1975-11-01), Pond et al.
patent: 4292459 (1981-09-01), Cardenas et al.
patent: 4693849 (1987-09-01), Mignani et al.
patent: 5449844 (1995-09-01), Ancel et al.
patent: 6232506 (2001-05-01), Kido et al.
patent: 0 544 588 (1993-06-01), None
patent: 1179520 (2002-02-01), None
Mignani et al. Synthesis of new unsaturated enynes, catalysed by copper (I) complexes. □□Tetrahedron Letters, vol. 31 (36) p 5161-5164, 1990.

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