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Öğe Chiral phosphine oxide aziridinyl phosphonate as a Lewis base catalyst for enantioselective allylsilane addition to aldehydes(Pergamon-Elsevier Science Ltd, 2015) Dogan, Ozdemir; Bulut, Adnan; Tecimer, M. AliA series of chiral Lewis bases, phosphine oxide ferrocenyl aziridinyl methanol 1-4, phosphinyl aziridinyl phosphonates 5 and 6, and phosphine oxide aziridinyl phosphonates 7 and 8 were screened for allylsilane additions to aldehydes. Among the Lewis bases, 8 was found to catalyze the reaction by forming the product in up to 94% yield and with 77% ee. (C) 2015 Elsevier Ltd. All rights reserved.Öğe Copper-catalyzed asymmetric conjugate addition of diethylzinc to substituted chalcones using a chiral phosphine ligand(Pergamon-Elsevier Science Ltd, 2011) Dogan, Ozdemir; Bulut, Adnan; Polat, Savas; Tecimer, M. AliA series of chiral phosphine PFAM and phosphine oxide POFAM ligands were studied for the copper-catalyzed asymmetric diethylzinc addition to enones. One of these ligands, PFAM2, was an efficient catalyst with a variety of enones to give conjugate addition products in up to 96% yield and 92% ee. (C) 2011 Elsevier Ltd. All rights reserved.Öğe Copper-catalyzed asymmetric conjugate addition of diethylzinc to substituted chalcones using a chiral phosphine ligand (vol 22, pg 1601, 2011)(Pergamon-Elsevier Science Ltd, 2012) Dogan, Ozdemir; Bulut, Adnan; Isleyen, Alper; Polat, Savas; Tecimer, M. Ali[Abstract No tAvailable]
