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Toxicol Mech Methods. 2008 Jul;18(6):469-471. doi: 10.1080/15376510701623656. Epub 2008 Jun 23.

GC-MS Analysis of beta-Carotene Ethenolysis Products and their Synthesis as Potentially Active Vitamin A Analogues.

Toxicology mechanisms and methods

I Jermacz, J Maj, J W Morzycki, A Wojtkielewicz

Affiliations

  1. Institute of Chemistry, University of Bialystok, Al. Pilsudskiego 11/4, 15-443, Bialystok, Poland.

PMID: 19696942 PMCID: PMC2728759 DOI: 10.1080/15376510701623656

Abstract

beta-Carotene ethenolysis under promotion of well-defined ruthenium catalysts were examined as a novel method of synthesis of vitamin A derivatives. Efficient reaction was promoted by the second-generation Hoveyda catalyst. The products of ethenolysis in positions C15-C15', C11-C12, and C9-C10 were detected, but cleavage of the C11-C12 double bond predominated. Even better regioselectivity at this position was observed for cross-metathesis between beta-carotene and functionalized alkenes.

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