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US 6,204,414 B1Granted
Intermediate compound (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopentyl]-3-methyl-penta-2,4-dienyl) triphenylphos-phosphonium salt, for making metabolites of lycopene
AssigneeRoche Vitamins Inc.
InventorsHanspeter Pfander, Bruno Traber
Life of this patent
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Abstract
The invention provides an intermediate compound (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopentyl]-3-methyl-penta-2,4-dienyl)triphenylphosphonium salt for use in a multi-stage process for making an oxidative metabolite of the carotenoid, lycopene 2,6-cyclolycopene-1,5-diol. The intermediate compound has the formula: wherein Ph is phenyl and X1− is chloride, bromide, or hydrogen sulphate.
Claims1
A (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopentyl]-3-methyl-penta-2,4-dienyl)triphenylphosphonium salt having the formula
- wherein Ph is phenyl and X1− is chloride, bromide or hydrogen sulphate.
Dependencies are inferred from the claim text.