Glycosylsulfenyl- und (Glycosylthio)sulfenyl-halogenide (Halogeno- bzw. Halogenothio-(1-thioglycoside)): Herstellung und Umsetzung mit Alkenen
作者:Marianne Hürzeler、Bruno Bernet、Andrea Vasella
DOI:10.1002/hlca.19920750215
日期:1992.3.18
Glycosylsulfenyl snf (Glycosylthio) sulfenyl Halides (Halogeno and Halogenothio 1-Thioglycosides, Resp.): Preparation and Reaction with Alkenes
糖基硫基snf(糖基硫基)亚硫基卤化物(卤代和卤代硫代1-硫代糖苷,分别):制备及与烯烃的反应
Enantioselective synthesis of (+)- and (−)-<i>cis</i>-2-methyl-4-propyl-1,3-oxathiane and their olfactive properties
作者:Wihelm Pickenhagen、Helene Brönner-Schindler
DOI:10.1002/hlca.19840670405
日期:1984.6.20
The enantioselective synthesis of (+)- and (−)-cis-2-methyl-4-propyl-1,3-oxathine 8 and 9 form (E)-2-hezen-1-ol (1) as common starting material is described. The two enantiomeric forms exhibit different organoleptic properties.
A new one-step strategy is described for the stereochemical assignment of acyclic 2- and 3-sulfanyl-1-alkanols using the CD excitonchiralitymethod. Using the 9-anthroate chromophore for the derivatization of both functional groups, the resulting bisignate CD curves unequivocally allow the determination of the stereochemistry from a single CD measurement. The usefulness of the newmethod is demonstrated