Four-Component Benzyne Coupling Reactions: A Concise Total Synthesis of Dehydroaltenuene B.

[摘要]：A four-component coupling reaction of 3,5-dimethoxybenzyne with 2-methyl-2-cyclohexenylmagnesium chloride, carbon dioxide, and iodine was utilized as a key step in the first total synthesis of dehydroaltenuene B (I).

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