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- W2080776910 abstract "Both C2- and C3-symmetric proline-derived β-amine alcohol ligands were designed, synthesized, and successfully applied to the enantioselective direct addition of trimethylsilylacetylene to N-phosphinoylimines. Aromatic, heteroaromatic, and aliphatic N-(diphenylphosphinoyl) imines and several N-(diethoxyphosphoryl) imines were tested, and optically active propargylic amides in good yields (up to 92%) and excellent enantioselectivities (up to 95%) were obtained by the simple experimental procedure. The convenience, mild conditions, and easy deprotection of the phosphonamide products made the present method very attractive. Furthermore, the Michael-type addition process of C═N alkynylation was studied and proposed on the basis of React 31P NMR investigation." @default.
- W2080776910 created "2016-06-24" @default.
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- W2080776910 date "2009-08-20" @default.
- W2080776910 modified "2023-10-07" @default.
- W2080776910 title "Enantioselective Nucleophilic Addition of Trimethylsilylacetylene to <i>N</i>-Phosphinoylimines Promoted by <i>C</i><sub>2</sub>-Symmetric Proline-Derived β-Amino Alcohol" @default.
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- W2080776910 doi "https://doi.org/10.1021/jo901492w" @default.
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