Functionalized Thieno[3,2‐
<i>b</i>
]pyrroles from Acylthiophenes, Acetylene Gas and Hydrazines in Two Steps
作者:Elena Yu. Schmidt、Nadezhda V. Semenova、Inna V. Tatarinova、Igor A. Ushakov、Alexander V. Vashchenko、Boris A. Trofimov
DOI:10.1002/ejoc.202100377
日期:2021.5.20
Rarely substituted thieno[3,2-b]pyrroles are synthesized in up to 68 % yields by the acid-assisted reaction of arylhydrazines with thienyl-substituted 6,8-dioxabicyclo[3.2.1]octanes, the products of the superbase-promoted diastereoselective self-organization of acetylene gas with acylthiophenes.