A Facile Transition Metal‐Free Ionic Liquid [BMIM]OH Mediated Regio‐ and Stereoselective Hydrocarboxylation of Alkynylnitriles
作者:Chandresh Kumari、Avijit Goswami
DOI:10.1002/ejoc.202001369
日期:2021.1.22
An atom economical and transitionmetal‐free, green methodology for the synthesis of nitrile substituted Z‐enol esters via ionicliquid [BMIM]OHmediatedhydrocarboxylation of alkynylnitriles is reported.
Copper-Catalyzed Acyloxycyanation of Alkynes with Acetonitrile: Regioselective Construction of Cyclic Acrylonitriles by 6-<i>endo</i>
or 5-<i>exo</i>
Cyclization
作者:Yamin Zhu、Zengming Shen
DOI:10.1002/adsc.201700577
日期:2017.10.25
difunctionalization of alkynes by tandem iodolactonization and copper‐catalyzedcyanation using acetonitrile as a cyanating reagent is reported for the first time. This approach can afford cyano‐containing isocoumarin or phthalide derivatives in good yields by careful choice of the carboxylate nucleophiles and electrophilic iodine sources. Thus, an acyloxycyanation strategy can be achieved in good yields