Synthesis of Thioalkynes by Desilylative Sonogashira Cross‐Coupling of Aryl Iodides and 1‐Methylthio‐2‐(trimethylsilyl)ethyne
作者:Yang Cao、Yang Huang、Paul R. Blakemore
DOI:10.1002/ejoc.202200498
日期:2022.9.13
An efficient and operationally straightforward synthesis of 1-methylthio-2-arylethyne derivatives is described based on a desilylativeSonogashira cross-coupling between aryliodides and a silylated surrogate for methylthioacetylene (Me3SiCCSMe). Extension of the process to a selection of other thioether types is also documented.
Iridium-Catalyzed Intermolecular Azide-Alkyne Cycloaddition of Internal Thioalkynes under Mild Conditions
作者:Shengtao Ding、Guochen Jia、Jianwei Sun
DOI:10.1002/anie.201309855
日期:2014.2.10
An iridium‐catalyzed azide–alkynecycloaddition reaction (IrAAC) of electron‐rich internal alkynes is described. It is the first efficient intermolecular AAC of internal thioalkynes. The reaction exhibits remarkable features, such as high efficiency and regioselectivity, mild reaction conditions, easy operation, and excellent compatibility with air and a broad spectrum of organic and aqueous solvents