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Violation of Distribution Symmetry in Statistical Evaluation of Absolute Enantioselective Synthesis

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journal contribution
posted on 02.04.2020, 14:08 by Béla Barabas, Luciano Caglioti, Claudia Zucchi, Marco Maioli, Emese Gál, Károly Micskei, Gyula Pályi
Enantiomeric excesses obtained in absolute enantioselective synthesis by chiral autocatalysis (Soai-reaction) were statistically analyzed. Two sets of parallel experiments, which were performed under chemically different conditions, are available. One group contains 37, while the other contains 84 preparative results. The former group shows some interesting tendencies but does not give conclusive statistical results. The sample of 84 parallel experiments, providing 39 R- and 45 S-excesses have shown that these data represent two distinct, non-symmetric sets with different non-Gaussian distributions. Clear S preference was found.

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