Intermediate compound (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopentyl]-3-methyl-p enta-2,4-dienyl) triphenylphos-phosphonium salt, for making metabolites of lycopene
US6204414A · kind A · utility
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1Claims
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Key dates
| Filing date | Oct 12, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Oct 12, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides an intermediate compound (5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclopentyl]-3-methyl-p enta-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: ##STR1## wherein Ph is phenyl and X.sup.1- is chloride, bromide, or hydrogen sulphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.