Bénary反應（Bénary reaction）
β-(N,N-二取代氨基)乙烯基酮與格氏試劑進行1,4-加成，再經水解，消除二烷基胺，同時生成α,β-不飽和酮。[1] 此法也可用於α,β-不飽和醛和α,β-不飽和酯的製取，但在合成中用途較少。
1931年由 E. Bénary 報道。[2]
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