N-heterocyclic carbenes (NHCs) promote the addition of 1,1-bis(phenylsulfonyl)ethylene to the α-position of α,β-unsaturated aldehydes. The proposed reaction pathway for this Rauhut–Currier-type reaction includes an unusual conjugate addition of an NHC to a bis-vinyl sulfone.

中文翻译：

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N-杂环卡宾促进的 Rauhut] 乙烯基砜与 α,β-不饱和醛之间的 Currier 反应。

N-杂环卡宾 (NHC) 促进 1,1-双（苯磺酰基）乙烯加成到 α,β-不饱和醛的 α-位。该 Rauhut-Currier 型反应的拟议反应途径包括 NHC 与双乙烯基砜的不寻常共轭加成。