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- W4282023281 abstract "• Heterogeneous Au-catalyzed hydrohydrazidation of terminal alkynes is first reported. • The reaction generates diverse keto- N -acylhydrazones in good to excellent yields. • This heterogenized catalyst can be reused 7 times without apparent loss of activity. • Our catalytic system provides a novel and practical route to keto- N -acyl- hydrazones. A facile and highly efficient heterogeneous gold(I)-catalyzed hydrohydrazidation of terminal alkynes with diverse hydrazides has been developed in chlorobenzene at 60 °C by using an MCM-41-immobilized diphenylphosphine gold(I) complex [Ph 2 P-MCM-41-AuNTf 2 ] as the catalyst, providing a novel and practical method for the synthesis of a wide variety of substituted keto- N -acylhydrazones in good to excellent yields. This heterogenized gold(I) catalyst was also easy to recover via filtration of the reaction mixture and was recyclable up to eight times without any apparent loss of catalytic efficiency." @default.
- W4282023281 created "2022-06-13" @default.
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- W4282023281 date "2022-09-01" @default.
- W4282023281 modified "2023-09-25" @default.
- W4282023281 title "Recyclable gold(I)-catalyzed hydrohydrazidation of terminal alkynes towards keto-N-acylhydrazones" @default.
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- W4282023281 doi "https://doi.org/10.1016/j.jorganchem.2022.122411" @default.
- W4282023281 hasPublicationYear "2022" @default.
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