A practical synthesis of differentially-protected cis-1,2-cyclopentanedithiols and cis-3,4-pyrrolidinedithiols
摘要:
A practical method for the synthesis of cis-1,2-cyclopentanedithiols and cis-3,4-pyrrolidinedithiols with differentially protected sulfurs, needed for the design of new metal-chelating ligands, has been developed. (C) 2002 Published by Elsevier Science Ltd.
作者:Mattia Riccardo Monaco、Sébastien Prévost、Benjamin List
DOI:10.1021/ja510069w
日期:2014.12.10
The synthesis of enantiopure thiols is of significant interest for industrial and academic applications. However, direct asymmetric approaches to free thiols have previously been unknown. Here we describe a novel organocascade that is catalyzed by a confined chiral phosphoric acid and furnishes O-protected β-hydroxythiols with excellent enantioselectivities. The method relies on an asymmetric thiocarboxylysis
对映纯硫醇的合成对工业和学术应用具有重要意义。然而,以前不知道游离硫醇的直接不对称方法。在这里,我们描述了一种新型有机级联,它由受限的手性磷酸催化并提供具有优异对映选择性的 O 保护的 β-羟基硫醇。该方法依赖于内消旋环氧化物的不对称硫代羧化,然后是分子内酯交换反应。通过改变反应条件,还可以化学选择性和对映选择性地获得中间体硫酯。
Studies on the reaction of mitomycin C with potassium ethyl monothiocarbonate under reductive conditions
作者:Mary Bean、Harold Kohn
DOI:10.1021/jo00173a047
日期:1983.12
212. Dithiols. Part XXI. Dithiols from cyclic trithiocarbonates
作者:S. M. Iqbal、L. N. Owen
DOI:10.1039/jr9600001030
日期:——
Dithiols. Part XIV. The alkaline hydrolysis of acetylated non-vicinal hydroxy-thiols
作者:J. S. Harding、L. N. Owen
DOI:10.1039/jr9540001536
日期:——
Ion cyclotron resonance spectroscopy. Neighboring group effects in the gas-phase ionization of .beta.-substituted alcohols
作者:Jhong K. Kim、Meredith C. Findlay、W. G. Henderson、Marjorie C. Caserio