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US 4,405,417 AGranted
Process for the manufacture of cyclohexene derivatives
AssigneeHoffmann-La Roche Inc.
InventorsHansjorg Grass, Reinhard Zell
Life of this patent
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Abstract
A process for the manufacture of the novel compound of the formula ##STR1## from the compound of the formula ##STR2## is described. This process comprises cathodically reducing the compound of formula I in a basic, aqueous-organic solvent mixture. The compound of formula II is an intermediate in the manufacture of rhodoxanthin or zeaxanthin.
Claims9
A process which comprises cathodically reducing the compound of the formula ##STR12## in a basic, aqueous-organic solvent mixture to give the compound of the formula. ##STR13##
Dependencies are inferred from the claim text.