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Dergiler / Turkish Journal of Chemistry / 2014 / Cilt: 38 - Sayı: 5

N-Heterocyclic carbene (NHC) palladium(II) complexes bearing chiral oxazoline ligands and their catalytic activities in allylic alkylation reactions

Serpil DENİZALTI
Hayati TÜRKMEN
Bekir ÇETİNKAYA
Sayfa
679–685
Yayın Tarihi
2014-05-01
DOI
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Very low ee values indicate that the oxazoline is dissociated from the active catalytic species.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:NHC--Pd(II) complexes bearing a chiral oxazoline ligand (IIIa--f) were synthesized by cleavage of dimeric palladium complexes with the oxazoline ligand.
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Temel Bulgular & Veri:They were fully characterized by 1H and 13C NMR and elemental analyses.
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Sonuç & Katkı:Very low ee values indicate that the oxazoline is dissociated from the active catalytic species.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:N-heterocyclic carbene · oxazoline · palladium complexes

Özet

NHC--Pd(II) complexes bearing a chiral oxazoline ligand (IIIa--f) were synthesized by cleavage of dimeric palladium complexes with the oxazoline ligand. They were fully characterized by 1H and 13C NMR and elemental analyses. The catalytic activity of the complexes (IIIa--f) in allylic alkylation reactions was evaluated. The complex IIIa was found to be the most active catalyst. Very low ee values indicate that the oxazoline is dissociated from the active catalytic species.

Abstract

NHC--Pd(II) complexes bearing a chiral oxazoline ligand (IIIa--f) were synthesized by cleavage of dimeric palladium complexes with the oxazoline ligand. They were fully characterized by 1H and 13C NMR and elemental analyses. The catalytic activity of the complexes (IIIa--f) in allylic alkylation reactions was evaluated. The complex IIIa was found to be the most active catalyst. Very low ee values indicate that the oxazoline is dissociated from the active catalytic species.

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Bu Makaleye Atıf Yap

DENİZALTI, S., TÜRKMEN, H., ÇETİNKAYA, B. (2014). N-Heterocyclic carbene (NHC) palladium(II) complexes bearing chiral oxazoline ligands and their catalytic activities in allylic alkylation reactions. Turkish Journal of Chemistry, Cilt: 38 - Sayı: 5, 679–685. https://ajindex.com/articles/184775

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Kaynakça (2)

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  2. Canseco-Gonzalez, D.; Petronilho, A.; Mueller-Bunz, H.; Ohmatsu, K.; Ooi, T.; Albrecht, M. J. Am. Chem. Soc. 2013, 135, 13193–13203.