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Base-Assisted Intramolecular C–N Coupling Reaction from NH2‑Bound Cyclopalladated l‑Phenylalanine to Indoline-2-carboxylic Acid

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Figshare2020-02-26 更新2026-04-28 收录
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https://figshare.com/articles/dataset/Base-Assisted_Intramolecular_C_N_Coupling_Reaction_from_NH_sub_2_sub_Bound_Cyclopalladated_l_Phenylalanine_to_Indoline-2-carboxylic_Acid/11905401
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The deprotonative intramolecular-amination reaction of phenylalanine-derived palladacycles has been investigated to highlight a facile carbonate-assisted N–H activation before the C–N bond formation. A major counterion effect led to divergent pathways whereby the SPhos-Pd complexes with iodine, triflate, or trifluoroacetate anions were key intermediates to afford access to (S)-2-indolinecarboxylic acid derivatives.
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2020-02-26
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