SavedAdd your journal

Journals / Düzce Üniversitesi Bilim ve Teknoloji Dergisi / 2019 / Cilt:7 Sayı:2 (2019) (Özel Sayı)

Ruthenium(II) half-sandwich complexes containing N-substituted 5-nitrobenzimidazole: Synthesis, structures and catalytic transfer hydrogenation of ketones

Kenan BULDURUN
İsmail ÖZDEMİR
Pages
63–72
Publication Date
2019-03-30
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

This complexes was found to be an active catalyst in the catalytic transfer hydrogenation of ketones.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study,N-substituted 5-nitrobenzimidazole ligands were reacted with [RuCl2(p-cymene)]2 and the corresponding complexes were prepared and their structure were elucidated by elemental analysis, IR and NMR spectroscopic techniques.
📊
Key Findings & Data:The synthesized Ru(II) complexes were tested as catalysts for the transfer hydrogenation (TH) of acetophenone to secondary alcohols in the presence of KOH using 2–propanol as a hydrogen source at 82 ºC.
💡
Conclusion & Impact:This complexes was found to be an active catalyst in the catalytic transfer hydrogenation of ketones.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Benzimidazole · Catalysis · Ru(II) complexes

Özet

In this study,N-substituted 5-nitrobenzimidazole ligands were reacted with [RuCl2(p-cymene)]2 and the corresponding complexes were prepared and their structure were elucidated by elemental analysis, IR and NMR spectroscopic techniques. The synthesized Ru(II) complexes were tested as catalysts for the transfer hydrogenation (TH) of acetophenone to secondary alcohols in the presence of KOH using 2–propanol as a hydrogen source at 82 ºC. This complexes was found to be an active catalyst in the catalytic transfer hydrogenation of ketones.

🔖

Cite This Article

BULDURUN, K., ÖZDEMİR, İ. (2019). Ruthenium(II) half-sandwich complexes containing N-substituted 5-nitrobenzimidazole: Synthesis, structures and catalytic transfer hydrogenation of ketones. Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Cilt:7 Sayı:2 (2019) (Özel Sayı), 63–72. https://ajindex.com/articles/660954

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (12)

  1. M.S. Jana, A.K. Pramanik, S. Kundu, D. Sarkar, S. Jana, T.K. Mondal, ‘‘Ruthenium(I) complexes with NNS donor thioarylazoimidazole ligands with the cis-{Re(CO)2}+ core: Synthesis, characterization, electrochemical study and DFT calculation,’’ Inorg. Chim. Acta, 394, 583-590, 2013
  2. Z.K. Yu, F.L. Zeng, X.J. Sun, H.X. Deng, J.H. Dong, J.Z. Chen, H.M. Wang, C.X. Pei, ‘‘Two pseudo-N3 ligands and the catalytic activity of their ruthenium(II) complexes in transfer hydrogenation and hydrogenation of ketones,’’ J. Organomet. Chem., 692, 2306–2313, 2007
  3. S. Demir, F. Coşkun, İ. Özdemir, ‘‘The first used half sandwich ruthenium(II) complexes bearing benzimidazole moiety for N-alkylation of amines with alcohols,’’ J. Organomet. Chem., 755, 134-140, 2014
  4. İ. Özdemir, N. Şahin, B. Çetinkaya, ‘‘Transfer Hydrogenation of Ketones Catalyzed by 1-Alkylbenzimidazole Ruthenium(II) Complexes,’’ Monatsh. Chem., 138, 205-209, 2007
  5. R. Ramachandran, G. Prakash, M. Nirmala, P. Viswanathamurthi, J.G. Malecki, ‘‘Ruthenium (II) carbonyl complexes designed with arsine and PNO/PNS ligands as catalysts,’’ J. Organomet. Chem., 791, 130-140, 2015
  6. B. Çetinkaya,. B. Alıcı, İ. Özdemir, C. Bruneau, P.H. Dixneuf, ‘‘2-Imidazoline– and 1,4,5,6-tetrahydropyrimidine–ruthenium(II) complexes and catalytic synthesis of furan,’’ J. Organomet. Chem., 575, 187-192, 1999
  7. B. Çetinkaya, İ. Ozdemir, C. Bruneau, P.H. Dixneuf, ‘‘.Benzimidazole, Benzothiazole and Benzoxazole Ruthenium(II) Complexes; Catalytic Synthesis of 2,3-Dimethylfuran,’’ Eur. J. Inorg. Chem., 1,29-32, 2000
  8. K. Buldurun, N. Turan, A. Savcı, N. Çolak, ‘‘Synthesis, structural characterization and biological activities of metal(II) complexes withSchiff bases derived from 5-bromosalicylaldehyde: Ru(II) complexes transfer hydrogenation,’’ J. Saudi Chem. Soc., xxx-xxx, xxx(2018)
  9. Y. Zhang, L. Liu, X. Cao, J. Zhao, ‘‘Synthesis, single crystal structure and efficient catalysis for alcohol oxidation of a novel Ru(II) complex with both a N,N,N-tridentate ligand and a pyridinedicarboxylate,’’ Polyhedron, 105, 170–177, 2016
  10. J.M. Gichumbi, H.B. Friedrich, ‘‘Half-sandwich complexes of platinum group metals (Ir, Rh, Ru and Os) and some recent biological and catalytic applications,’’ J. Organomet. Chem., 866, 123-143, 2018
  11. K. Buldurun, “Benzimidazol Çekirdeği İçeren Azol Komplekslerinin Sentezi ve Katalitik Özellikleri,” Doktora tezi, Kimya Bölümü, İnönü Üniversitesi, Malatya, Türkiye, 2015
  12. K.S. Singh,