Process for making metabolites of lycopene
AssigneeRoche Vitamins Inc.
InventorsHanspeter Pfander, Bruno Traber
Life of this patent
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Abstract
This invention relates to trimethylsilyloxy-cyclopentane derivatives: 3-(1-Acetoxy-1-methylethyl)- 2-formyl-1-methyl-1-trimethylsilyloxy-cyclopentane; 4-[5-(1-Hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3-buten-2-one; 5-[5-(1-Hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3-methyl-penta-1,4-dien-3-ol and alkyl 5-[5-(1-Hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3-methyl-penta-2,4-dienoates.
Claims4
3-(1-Acetoxy-1-methylethyl)-2-formyl-1-methyl-1-trimethylsilyloxy-cyclopentane.
4-[5-(1-Hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3-buten-2-one.
5-[5-(1-Hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3-methyl-penta-1,4-dien-3-ol.
An alkyl 5-[5-(1-hydroxy-1-methylethyl)-2-methyl-2-trimethylsilyloxy-cyclopentyl]-3-methyl-penta-2,4-dienoate having the formula
- wherein Alkyl is C1-6-alkyl.
Dependencies are inferred from the claim text.