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. Author manuscript; available in PMC: 2010 Sep 16.
Published in final edited form as: J Am Chem Soc. 2009 Sep 16;131(36):13125–13131. doi: 10.1021/ja904545d

Figure 6.

Figure 6

A) PCA of diol 5 ee titration at three different concentrations △: 2 mM, ◇: 4 mM, ○: 5 mM. ee, yellow: −1, pink: −0.6, green: −0.2, blue: 0, red: 0.2, orange: 0.4, brown: 0.6, purple: 1, where 1 is 100% methyl(2S,3R)-(-)-2,3-dihydroxy-3-phenylpropionate (5a) and −1 is 100% methyl(2R,3S)-(-)-2,3-dihydroxy-3-phenylpropinate (5b) B) Multilayer perceptron (MLP) artificial neural network generated for the determination of ee and analyte total concentration ([G]t). All studies were carried out in 100% MeOH, 10mM buffered solution of Hunig’s base and para-toluenesulfonic acid to pH 7.4 at 25°C.