Intermediates for the preparation of vitamine a and...

Details Intermediates for the preparation of vitamine a and... Intermediates for the preparation of vitamine a and...

C - Chemistry, Metallurgy

07

C

C07C 47/21 (2006.01) C07C 45/54 (2006.01) C07C 45/67 (2006.01) C07C 47/20 (2006.01) C07C 47/232 (2006.01) C07C 49/00 (2006.01) C07C 49/217 (2006.01) C07C 49/683 (2006.01) C07C 49/796 (2006.01) C07C 69/653 (2006.01) C07C 69/96 (2006.01)

Patent

CA 2131592

The present invention relates to novel intermediates of the preparation of vitamin A and carotenoids of the following formula (I): (see Fig. I), a process for their preparation and their use.

La présente invention concerne de nouveaux intermédiaires de la préparation de la vitamine A et des caroténoïdes répondant à la formule (I) suivante: (voir fig. I) ainsi que leur procédé de préparation et leur utilisation.

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