112449-88-4Relevant academic research and scientific papers
Biotransformation of αβ-unsaturated carbonyl compounds: sulfides, sulfoxides, sulfones, nitriles and esters by yeast species: carbonyl group and carbon-carbon double bond reduction
Koul, Surinder,Crout, David H. G.,Errington, William,Tax, Jiri
, p. 2969 - 2988 (2007/10/03)
The reduction of αβ-unsaturated ketones with γ-sulfide, sulfoxide, sulfone, nitrile and ester functions has been investigated.Both C=O and C=C reduction was observed.In the sulfur series, C=O bond reduction was always observed, but significant C=C bond reduction was observed only with the sulfide.The unsaturated nitriles gave the corresponding alcohols as the major bioreduction product, with smaller but significant amounts of fully reduced product.A similar result was obtained with the ester substrate.Relative and absolute configurations of bioreduction products were determined.A comparison was made between reductions catalysed by bakers' yeast (Saccharomyces cerevisiae) and by other yeasts (Zygosaccharomyces rouxii, Pichia capsulata, P. farinosa, Candida chalmersi and C. diddensiae).The tendency of Z. rouxii to give products enantiomeric with thouse obtained using S. cerevisiae was noted.The relationship between substrate structure and the stereochemistry of C=C double bond reduction is discussed.
SYNTHESIS OF COMMPOUNDS WITH 1,4-RELATED CHIRAL CENTRES BY PHENYLTHIO MIGRATION: SYN AND ANTI-E-2,4-DIMETHYLHEX-3-ENE-1,5-DIOL
Aggarwal, Varinder K.,Warren, Stuart
, p. 1925 - 1928 (2007/10/02)
The aldol product from an α-PhS aldehyde, formed with high Cram and anti (aldol) selectivity, was transformed by PhS migration into the syn title compound: the anti compound was made by a Claisen-Ireland rearrangement.
