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Dr. Nasima Chorfa, Prof. Safia Hamoudi, Prof. Joseph Arul and Prof. Khaled Belkacemi Sulfur Promotion in Conjugated Isomerization of Safflower Oil over Bifunctional Structured Rh/SBA-15 Catalysts ChemCatChem 5

Article first published online: 13 MAY 2013 | DOI: 10.1002/cctc.201200895

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And they were all yellow: The sulfur-promoted formation of conjugated linoleic acid isomers during the combined hydrogenation and directed isomerization of safflower oil can be explained mechanistically through the preferable formation of the more nucleophilic rhodium sulfide (Rh[BOND]SH) over that of the hydride (Rh[BOND]H). The Rh[BOND]SH species could induce more easily the addition and elimination steps for the double-bond conjugation of linoleic acid.

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