p-Tolylsulfinyl Amides: Reagents for Facile Electrophilic Functionalization of Olefins
摘要:
A variety of olefins were found to react with sulfinyl amides in the presence of POCl3 to give beta-chlorosulfides and beta-hydroxysulfides in good yields. In the absence of nucleophiles, p-tolylsulfinyl amides were found to react with olefins with the formation of allylsulfoxides.
One-pot auto-oxidation mediated hydroxysulfenylation of electron-deficient and electron-rich olefins with phenthiols was explored.
一锅法介导的电子不足和电子富集烯烃与苯硫醇的羟基硫醚化反应被探索。
Copper(II) Acetate-Catalyzed Hydroxysulfenylation-Initiated Lactonization of Unsaturated Carboxylic Acids with Oxygen as Oxidant and Oxygenation Reagent
作者:Bingnan Du、Yang Wang、Haibo Mei、Jianlin Han、Yi Pan
DOI:10.1002/adsc.201700036
日期:2017.5.17
thiols has been explored. The reaction proceeds through a new hydroxysulfenylation-initiated lactonization pathway with carboxyl as electrophilic group, which provides an efficient access to assembly highly valuable thio-substituted lactone derivatives with good yields under mild conditions. Several control experiments, as well as an isotope labelling experiment disclose that oxygen acts as both oxidant
Hydroxysulfenylation of Electron-Deficient Alkenes through an Aerobic Copper Catalysis
作者:Hui Xi、Bicheng Deng、Zhenzhen Zong、Shenglin Lu、Zhiping Li
DOI:10.1021/acs.orglett.5b00112
日期:2015.3.6
A copper-catalyzed hydroxysulfenylation of α,β-unsaturated esters/amides is reported. The method presents a selective and efficient synthesis of β-hydroxysulfides bearing electron-withdrawing groups. The synthetic utility of this method is demonstrated by the concise synthesis of the anticancer drug bicalutamide.
Aerobic Copper(II)-catalyzed synthesis of β-hydroxysulfides and selenides from alkenes with disulfides and diselenides
作者:Nobukazu Taniguchi
DOI:10.1016/j.tet.2022.132689
日期:2022.3
A copper-catalyzed hydroxysulfenylation of alkenes was achieved using disulfides in the presence of n-Bu4NI and H2O. The procedure smoothly proceeded under air atmosphere, and the corresponding β-hydroxysulfides were obtained with regio- and anti-selectivity in good yields. Furthermore, a reaction using diselenides effectively produced the expected β-hydroxyselenides. These reactions could use both
在 n-Bu 4 NI 和 H 2 O存在下,铜催化烯烃的羟基亚磺酰化反应,在n- Bu 4 NI 和 H 2 O 存在下,反应过程顺利进行,得到了区域选择性和抗选择性良好的β-羟基硫化物。产量。此外,使用二硒化物的反应有效地产生了预期的β-羟基硒化物。这些反应可以使用二硫属化物上的两个硫属化物基团。此外,该程序还适用于使用硫醇进行的氢化亚磺酰化。
A visible-light-induced and efficient one-pot synthesis of β-hydroxysulfides from olefins, thiosulfonates and HCOOCs using an EDA complex strategy under air atmosphere at room temperature has been disclosed. A plausible radical involved mechanism is proposed. During the reaction process, formates play a crucial role: first, as donors in the EDA complex; second, as providers of the hydrogen source;