ol5b03065_si_001.pdf (12.95 MB)

Indium-Catalyzed [2 + 2] Cycloaddition of Allylsilanes to Internal Alkynones

Download (12.95 MB)
journal contribution
posted on 04.12.2015, 00:00 by Kazuhiro Okamoto, Takuya Shimbayashi, Eisuke Tamura, Kouichi Ohe
We have developed an indium-catalyzed [2 + 2] cycloaddition of allylsilanes to alkynones leading to selective cyclobutenone formation. The resulting cyclobutenones were readily converted to the oxidized products by Tamao–Fleming oxidation or the ring-opened products by an electrocyclic reaction.