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Org Lett. 2006 Oct 12;8(21):4979-82.

Room-temperature highly diastereoselective Zn-mediated allylation of chiral N-tert-butanesulfinyl imines: remarkable reaction condition controlled stereoselectivity reversal.

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  • 1Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China. xumh@mail.sioc.ac.cn

Abstract

[reaction: see text] An efficient method for the highly diastereoselective synthesis of chiral homoallylic amines by Zn-mediated allylation of chiral N-tert-butanesulfinyl imines at room temperature was developed. By simply tuning the reaction conditions, the method allows the achievement of a highly remarkable opposite stereocontrol, affording the desired stereochemical outcome in good yield and with excellent diastereoselectivity (up to 98% dr). With N-sulfinyl ketimines, the corresponding quaternary carbon-containing chiral homoallylic amines could also be produced.

PMID:
17020351
[PubMed]
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