Process for the manufacture of cyclohexene derivatives

Details Process for the manufacture of cyclohexene derivatives Process for the manufacture of cyclohexene derivatives

1985-02-08

1986-04-01

Lone, Werren B.

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

Organic compounds

Oxygen containing

568338, 568343, 568376, C07C 4561, C07C 4565

Patent

active

045799733

ABSTRACT:
A novel process for the manufacture of cyclohexene derivatives which are suitable as intermediates for the manufacture of rhodoxanthin or zeaxanthin, as well as a process for the manufacture of rhodoxanthin or of zeaxanthin itself. The invention is also concerned with a novel starting material and novel intermediates in this process.

REFERENCES:
patent: 3839421 (1974-10-01), Schwieter et al.
patent: 4000198 (1976-12-01), Rosenberger
patent: 4156090 (1979-05-01), Kienzle
patent: 4193850 (1980-03-01), Hengartner et al.
patent: 4323711 (1962-04-01), Lukac et al.
patent: 4405417 (1983-09-01), Grass et al.
Surmatis et al., J. Org. Chem. 35, 1053 (1970).
Mayet et al., Helv. Chim. Acta., 50, 1606 (1967).
Surmatis et al., Helv. Chim. Acta., 53, 974 (1970).

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