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. Author manuscript; available in PMC: 2009 Dec 3.
Published in final edited form as: J Am Chem Soc. 2008 Dec 3;130(48):16358–16365. doi: 10.1021/ja807120z

Figure 5.

Figure 5

13C Spectra for catalysts and labeled bis(phenol). (a) NMI, 0% ee; (b) Table 3, entry 10, 54% ee; (c) Table 3, entry 8, 72% ee; (d) Table 3, entry 9, 71% ee; (e) Peptide catalyst 4, 95% ee.