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. Author manuscript; available in PMC: 2020 Apr 29.
Published in final edited form as: European J Org Chem. 2019 Aug 24;2019(39):6597–6605. doi: 10.1002/ejoc.201901033

Figure 4.

Figure 4.

Panel A: X-ray structure of α-bromoglycine ester 4c. Ellipsoids are shown at the 50 % probability level. Panel B: model for hyperconjugation for the major conformer of 4c in solution.