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- W3044746920 abstract "Dinuclear gold(I)‐N‐heterocyclic carbene complexes were developed for the hydrohydrazidation of terminal alkynes. The gold(I)‐N‐heterocyclic carbene complexes 2a‐2b were synthesized in good yields from silver complexes synthesized in situ, which in turn were obtained from the corresponding imidazolium salts with Ag 2 O in dichloromethane as a solvent. The new air‐stable gold(I)‐NHC complexes, 2a ‐ 2b, were characterized using NMR spectroscopy, elemental analysis, infrared, and mass spectroscopy studies. The gold(I) complex 2a was characterized using X‐ray crystallography. Bis ‐N‐heterocyclic carbene–based gold(I) complexes 2a ‐ 2b exhibited excellent catalytic activities for hydrohydrazidation of terminal alkynes yielding acylhydrazone derivatives. The working catalytic system can be used in gram‐scale synthesis. In addition, the catalytic reaction mechanism of the hydrohydrazidation of terminal alkynes by gold(I)‐NHC complex was studied in detail using density functional theory." @default.
- W3044746920 created "2020-07-29" @default.
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- W3044746920 date "2020-07-23" @default.
- W3044746920 modified "2023-09-26" @default.
- W3044746920 title "Dinuclear gold(I)‐N‐heterocyclic carbene complexes: Synthesis, characterization, and catalytic application for hydrohydrazidation of terminal alkynes" @default.
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- W3044746920 doi "https://doi.org/10.1002/aoc.5942" @default.
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