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Paper | Special issue | Vol 95, No. 1, 2017, pp.232-242
Published online, 28th July, 2016
DOI: 10.3987/COM-16-S(S)8
N-Heterocyclic Carbene-Promoted [3+2] Cycloaddition of Allenyl Sulfone and Arylidenemalononitriles

Satoru Kuwano,* Toshinobu Masuda, Koki Yamaguchi, and Takayoshi Arai

*Department of Chemistry, Graduate School of Science, Chiba University, , Japan


N-Heterocyclic carbenes promote the [3+2] cycloaddition of allenyl sulfone and arylidenemalononitriles, accompanied by 1,2-migration of the sulfonyl group. This reaction provides a new route to highly substituted cyclopentenes.