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À propos de : Absolute Configuration of2-(Tributylstannyl)pyrrolidine byAnomalous Dispersion X-ray Analysis        

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  • Absolute Configuration of2-(Tributylstannyl)pyrrolidine byAnomalous Dispersion X-ray Analysis
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  • Enantiopure 2-(tributylstannyl)pyrrolidine hydroiodide maybe prepared in excellent yield by TMSI treatment of thecorresponding N-Boc compound, which is in turn preparedby asymmetric deprotonation (s-BuLi·sparteine) and stannylation, as described in the literature. Crystals of thehydroiodide salt suitable for X-ray analysis were obtained,and although there is some disorder about the butyl groups,analysis using anomalous dispersion establishes the absoluteconfiguration as S.
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