Pd-Catalyzed Efficient Cross-Couplings of 3-Iodochromones with Triarylbismuths as Substoichiometric Multicoupling Organometallic Nucleophiles

[摘要]：An efficient cross-coupling of 3-iodochromones with triarylbismuths under catalytic palladium conditions is reported. Triarylbismuths were employed as substoichiometric multicoupling nucleophiles for the synthesis of a variety of substituted isoflavones. Under the established protocol, cross-coupling reactions were found to be very efficient, furnishing high yields of products.

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