An unexpected semi-hydrogenation of a ligand in the complexation of 2,7-bispyridinyl-1,8-naphthyridine with Ru3(CO)12

Bei-Sih Liao; Yi-Hung Liu; Shie-Ming Peng; K. Rajender Reddy; Shin-Hung Liu; Pi-Tai Chou; Shiuh-Tzung Liu

doi:10.1039/C3DT53029A

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An unexpected semi-hydrogenation of a ligand in the complexation of 2,7-bispyridinyl-1,8-naphthyridine with Ru₃(CO)₁₂†

Bei-Sih Liao,^a Yi-Hung Liu,^a Shie-Ming Peng,^a K. Rajender Reddy,*^b Shin-Hung Liu,^a Pi-Tai Chou*^a and Shiuh-Tzung Liu*^a

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* Corresponding authors

^a Department of Chemistry, National Taiwan University, 1, Sec. 4, Roosevelt Road, Taipei 106, Taiwan
E-mail: stliu@ntu.edu.tw
Fax: +(8862)23636359

^b Inorganic and Physical Chemistry Division, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad-500 607, India
E-mail: rajender@iict.res.in
Fax: +91-040-27160921

Abstract

Thermal reaction of 2,7-bis(2-pyridinyl)-l,8-naphthyridine (bpnp) with Ru₃(CO)₁₂ in the presence of moisture resulted in the formation of a formate-bridged diruthenium complex [(bpnp-H₃)Ru₂(μ-HCOO)(CO)₄] (1), in which the ligand was partially hydrogenated. Complex 1 was fully characterized by spectroscopic analyses and X-ray single crystal determination. Regarding the partially reduced ligand in 1, it occurs through a water–gas shift type reduction. The bridging formate ligand can be substituted by other carboxylate ligands. Physical and chemical properties of the newly prepared complexes were investigated.

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Article information

DOI: https://doi.org/10.1039/C3DT53029A
Article type: Paper
Submitted: 28 Oct 2013
Accepted: 06 Dec 2013
First published: 09 Dec 2013

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Dalton Trans., 2014,43, 3557-3562

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An unexpected semi-hydrogenation of a ligand in the complexation of 2,7-bispyridinyl-1,8-naphthyridine with Ru₃(CO)₁₂

B. Liao, Y. Liu, S. Peng, K. R. Reddy, S. Liu, P. Chou and S. Liu, Dalton Trans., 2014, 43, 3557 DOI: 10.1039/C3DT53029A

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Dalton Transactions