P1,P1-Bidentate diastereoisomeric bisdiamidophosphites based on N-benzyltartarimide and their applications in asymmetric catalytic processes |
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| Authors: | Konstantin N Gavrilov Sergey V Zheglov Eduard B Benetsky Anton S Safronov Eugenie A Rastorguev Nikolay N Groshkin Vadim A Davankov Benjamin Schäffner Armin Börner |
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| Institution: | 1. Department of Chemistry, Ryazan State University, 46 Svoboda Street, 390000 Ryazan, Russian Federation;2. Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, 119991 Moscow, Russian Federation;3. Leibniz-Institut für Katalyse an der Universität Rostock e.V., A.-Einstein-Str. 29a, 18059 Rostock, Germany |
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| Abstract: | Two novel P1-stereogenic bisdiamidophosphites derived from (3R,4R)-N-benzyltartarimide as a chiral 1,2-diol have been prepared from readily available starting materials. Palladium and rhodium catalytic systems containing these new P1,P1-bidentate ligands afforded 96%, 83% and 65% ee in asymmetric allylic substitution, hydrogenation and addition processes, respectively. These diastereomeric diamidophosphites were found to be complementary stereoselectors. |
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