Synthesis of Functionalized Cyclobutene Derivatives via Selective S<sub>N</sub>2’ Reaction of Dichlorocyclobutenes
作者:Toshiyuki Hamura、Michiko Kakinuma、Shinsuke Tsuji、Takashi Matsumoto、Keisuke Suzuki
DOI:10.1246/cl.2002.748
日期:2002.7
Dichlorocyclobutenone acetals, available via the cycloaddition of dichloroketene and alkynes followed by acetalization, undergo selective SN2’ attack by various nucleophiles to give a variety of functionalized cyclobutene derivatives in high yields.
二氯环丁烯酮缩醛可通过二氯酮烯与炔烃的环加成反应后进行缩醛化获得,随后可被多种亲核试剂选择性地进行SN2’攻击,从而以高产率生成各种功能化环丁烯衍生物。