Bis(imidazolidine)pyridine-NiCl2 Catalyst for Nitro-Mannich Reaction of Isatin-Derived N‑Boc Ketimines: Asymmetric Synthesis of Chiral 3‑Substituted 3‑Amino-2-oxindoles
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https://figshare.com/articles/dataset/Bis_imidazolidine_pyridine_NiCl_sub_2_sub_Catalyst_for_Nitro_Mannich_Reaction_of_Isatin_Derived_i_N_i_Boc_Ketimines_Asymmetric_Synthesis_of_Chiral_3_Substituted_3_Amino_2_oxindoles/2292220
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资源简介:
An (S,S)-diphenyldiamine-derived bis(imidazolidine)pyridine (PyBidine)-NiCl2 complex catalyzed the nitro-Mannich reaction of isatin-derived N-Boc ketimines to construct a chiral quaternary aminocarbon center at the C3 position of oxindoles in yields of up to 99% with 95% ee.
创建时间:
2016-02-17



