131801-83-7Relevant articles and documents
Methods for preparation of lycopenes from C-15 Wittig salts and methods for purification of high all-E containing and high 6Z containing C15-Wittig salts
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Paragraph 0024, (2016/01/11)
The present invention relates to methods for preparation of lycopenes, especially to lycopenes with high all-E contents or high 6Z contents from C15-Wittig salts mixtures (with high all-E-contents and high 6Z-contents, respectively). C15-Wittig salts mixtures are purified and 6Z-C15-Wittig salts are extracted from the mixtures. The extracted 6Z-C 15-Wittig salts are used in the synthesis of lycopenes with high 6Z contents and the residues are used in the synthesis of lycopenes with high all-E contents.