Boron trifluoride-promoted reaction of 4′-nitrobenzenesulphenanilide and its N-methyl derivative with alkynes
作者:Luisa Benati、P. Carlo Montevecchi、Piero Spagnolo
DOI:10.1039/c39870001050
日期:——
4′-Nitrobenzenesulphenanilide and itsN-methylderivative react with alkynes in the presence of boron trifluoride–diethyl ether presumably affording thiirenium ion intermediates, which are trapped by acetonitrile to give eventually β-acetamidinovinyl sulphides.