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Öğe Sonogashira cross-coupling reaction catalyzed by N-heterocyclic carbene-Pd(II)-PPh3 complexes under copper free and aerobic conditions(Elsevier Science Sa, 2018) Dehimat, Zineb Imene; Yasar, Sedat; Tebbani, Dahmane; Ozdemir, IsmailNHC-Pd-PPh3 complexes with the bulky benzyladamantyl substited N-heterocyclic carbene (NHC) were synthesized and characterised by NMR, HRMS and micro analyse. These complexes were proceeded to Sonogashira-Hagihara coupling reaction between aryl bromides and phenylacatylene in DMF. All palladium compounds are stable and have high catalytic activity on Sonogashira-Hagihara reaction by low catalyst loading. (C) 2017 Elsevier B.V. All rights reserved.Öğe Synthesis of sterically hindered N-benzyladamantyl substituted benzimidazol-2-ylidene palladium complexes and investigation of their catalytic activity in aqueous medium(Pergamon-Elsevier Science Ltd, 2017) Dehimat, Zineb Imene; Pasahan, Aziz; Tebbani, Dahmane; Yasar, Sedat; Ozdemir, IsmailNHC-Pd-PEPPSI complexes with bulky benzyladamantyl substituted N-heterocyclic carbenes (NHC) were synthesized and characterized by NMR, HRMS, and micro analysis. These complexes were then used for Suzuki-Miyaura coupling reactions between aryl bromides and phenylboronic acid. With low catalyst, loading, all synthesized complexes rapidly catalyzed the Suzuki-Miyaura cross-coupling reaction in iPrOH/water (1:3 v/v) at room temperature in air. All palladium compounds were stable and had high catalytic activity for the Suzuki-Miyaura coupling reaction. (C) 2017 Elsevier Ltd. All rights reserved.
