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- W2010675008 abstract "The stereocontrolled synthesis of α,α,α′-trisubstituted pyrrolidines and piperidines has been accomplished through α′-lithiation/trapping of the corresponding α,α-disubstituted Boc-protected azaheterocycle with various electrophiles. The relative configuration of the major diastereomer has the α′-substituent trans to the α-aryl group in the pyrrolidines but cis to the α-aryl group in the piperidines. The diastereoselectivity of the lithiation/alkylation of pyrrolidines is unaffected by TMEDA but decreases in the presence of (−)-sparteine in diethyl ether." @default.
- W2010675008 created "2016-06-24" @default.
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- W2010675008 date "2015-04-27" @default.
- W2010675008 modified "2023-09-27" @default.
- W2010675008 title "ChemInform Abstract: Diastereoselective Synthesis of α,α,α′-Trisubstituted Pyrrolidines and Piperidines by Directed Sequential Lithiation/Alkylation." @default.
- W2010675008 cites W2950145526 @default.
- W2010675008 doi "https://doi.org/10.1002/chin.201520123" @default.
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