Periselectivity in the base-catalyzed intramolecular [2+2]-cycloaddition reaction of 3-phenylsulfonyl-substituted propynes
作者:Albert Padwa、Helmut Lipka、Scott H Watterson
DOI:10.1016/0040-4039(95)00860-f
日期:1995.6
Phenylsulfonyl-substitutedallenes containing a tethered π-bond are conveniently prepared reagents that can serve as substrates for intramolecular [2+2]-cycloaddition chemistry.