The cascade sequential reaction of α-keto acids, 1-iodoalkynes, and alkyl halides are reported herein to synthesize tetra-substituted vinyl iodides. It represents an efficient protocol to access a diverse range of tetra-substituted vinyl iodides starting from simple materials in a one-pot fashion, featuring mild reaction conditions, ease of operation, and broad substrate scope.
Keywords: 1-iodoalkynes; cascade sequential reaction; terta-substituted vinyl iodides; transition-metal-free; α-keto acids.
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