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Journal of Organometallic Chemistry
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Abstract In this report, we present a study on the synthesis, structure, and electronics of a series of (8-amino)quinoline and (4-amino)phenanthridine complexes of Re(CO)3X, where X = Cl and Br. In all cases, the (amino)heterocycles bind as bidentate ligands, with surprisingly symmetric modes of binding based on Re–N bond lengths. Between the complexes of (8-amino)quinolines and (4-amino)phenanthridines studied in this report, we do not observe much structural variation, and remarkably similar U...
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#1Joji OhshitaH-Index: 37
#2Kosuke YamajiH-Index: 1
Last. Yohei AdachiH-Index: 6
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Abstract Three spiro(dipyridinogermole)(dithienogermole)-copper complexes with iodine-bridged copper dinuclear units were prepared. That one of the complexes had a linearly linked polymeric structure was revealed by single-crystal X-ray diffraction study. In contrast to previously studied similar copper complexes, the present ones did not produce strong photoluminescence in the solid state. A nonradiative decay process, such as photo-induced electron transfer, seems to be involved. A spiro(dipyr...
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Abstract The preparation of a series of rhodium(I) complexes coordinated by various electronically tuneable Fischer carbene (FC) ligands, is reported. The Rh(I) metal complexes' electronic properties could readily be modulated by variation of a p-N,N-dimethylaniline moiety with a ruthenocenyl substituent, or alternatively, substituting the carbene O-heteroatom for an amino-group. The electronic properties of the complexes were evaluated, and it was determined from the Tolman electronic parameter...
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#1Muhammad Usman (ZJU: Zhejiang University)H-Index: 3
#2Haojie Yu (ZJU: Zhejiang University)H-Index: 31
Last. Shah Fahad (ZJU: Zhejiang University)H-Index: 4
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Abstract For overcoming the migration problems of ferrocene (Fc)-based burning rate catalysts (BRCs) as well as for enhancing burning rate (BR) of ammonium perchlorate (AP)-based propellants, ferrocenylated-amino pyridines (AP-Fcs) and ferrocenylated-amino thiazoles (AT-Fcs) have been synthesized. The synthesis of AP-Fcs and AT-Fcs was confirmed by nuclear magnetic resonance (1H NMR). Electrochemical properties of these ferrocenylated derivatives were explored by cyclic voltammetry (CV). The BR ...
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#1Di Zhu (China University of Petroleum)
#2Yiyan Li (China University of Petroleum)
Last. Xiaojiao Song (China University of Petroleum)
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Abstract Zinc complexes L2Zn and LZnX were prepared by template synthesis from ZnX2, N1,N1-dimethylbenzene-1,2-diamine and substituted salicylaldehyde (SA). A systematic exploration of this synthetic route revealed the subtle role of choice of Zn source and SA substitution pattern on the reaction stoichiometry and enabled synthesis of pure Zn complexes. Use of poorly coordinating counterions (such as CF3SO3−) and apolar substituents on the SA component favours formation of pentacoordinate L2Zn, ...
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Abstract New diorganopnicogen(III) compounds of type [CH3OCH2CH2N(CH2C6H4)2]ML (M = Sb, L = ONO2 (3), OSO2CF3 (4); M = Bi, L = ONO2 (5), OSO2CF3 (6), OSO2C6H4(CHCH2)-4 (7) based on a heterocyclic butterfly-like tetrahydro-dibenzo[c,f] (Akiba, 1999; Mukherjee et al., 2010) [1,5]azastibocine/azabismocine skeleton were prepared by ligand exchange reactions between [CH3OCH2CH2N(CH2C6H4)2]MX (M = Sb, X = Cl (1); M = Bi, X = Br (2) and the appropriate silver salt. The new compounds 1 and 3–7 were stru...
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#1U.S. Kanchana (St. Thomas College)
#2Thomas V. Mathew (St. Thomas College)H-Index: 4
Last. Gopinathan Anilkumar (Mahatma Gandhi University)H-Index: 23
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Abstract Transition metal catalyzed cyanation reactions show rapid advances in modern organic synthesis. Nitrile compounds act as precursors for other functional groups such as amines, aldehydes, amides, acids and so on. Nickel, an inexpensive, abundant and highly efficient metal, is also widely used in the activation of C–CN bonds replacing toxic and expensive 4d and 5d transition metals. This review focuses on the recent advances in nickel-catalyzed cyanation reaction and covers literature fro...
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Abstract The discovery of cisplatin made a difference in the way that chemotherapy was understood. Since then, and in order to improve the effectiveness and the clinical problems related to this kind of metallodrugs, several metals have been investigated as an alternative to this therapy. Due to the chemical similarities with Pt(II), Au(III) is a promising metal for this purpose. Nevertheless, the stabilization of this oxidation state in physiological conditions is still a difficult goal to achi...
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Abstract The complexity of molecules with biological and therapeutic interests is still growing and still creating continuous challenges that are faced with the development of the synthesis strategies taking into account the environmental issues. Photocatalysis has became a pillar of engineering molecular structures that accelerated the development and afforded complementarity to diverse reaction processes; this method consists of the use of light sources in order to excite catalysts that are ab...
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#1Marta Olivares (University of Bern)H-Index: 1
#2Martin Albrecht (University of Bern)H-Index: 45
Abstract Novel pyridyl-triazolylidene iridium(III) hydride complexes have been synthesized through modification of the analogous iridium chloride complexes. The dehydration of alcohols was used to probe the catalytic potential of the iridium chloride compounds and the influence of the electronic modification on the pyridyl-triazolylidene ligand scaffolds. The incorporation of electron donor substituents on the triazolylidene heterocycle considerably enhanced the catalytic activity of the coordin...
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