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Updated: Aug 5, 2026
Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
Absolute configuration of 2-(tributylstannyl)pyrrolidine by anomalous dispersion X-ray analysis
Robert E Gawley1, Sanjay Narayan, David A Vicic
1Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, USA. bgawley@uark.edu
Abstract:
Enantiopure 2-(tributylstannyl)pyrrolidine hydroiodide may be prepared in excellent yield by TMSI treatment of the corresponding N-Boc compound, which is in turn prepared by asymmetric deprotonation (s-BuLi.sparteine) and stannylation, as described in the literature. Crystals of the hydroiodide salt suitable for X-ray analysis were obtained, and although there is some disorder about the butyl groups, analysis using anomalous dispersion establishes the absolute configuration as S.
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