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21,588 Newest Publications about the topic ligands

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Creating Capsules with Cubanes

03-Jul-2018 | Sotaro Kusumoto; Fumiya Kobayashi; Ryo Ohtani; Yingjie Zhang; J. M. Harrowfield; Yang Kim; Shinya Hayami; Masaaki N ..., Dalton Transactions, 2018

A sextuply linked capsule incorporating two Ni(II) cubane units is formed when Ni(II) salts are reacted with N-aminoalkyl salicylamidato ligands in a 4:3 ratio in methanol. With a short (propyl) alkyl substituent, additional chloride counter ions are included in the cavity by occupation of one ...

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Charge effects regulate reversible CO2 reduction catalysis

03-Jul-2018 | Jacob B. Geri; Joanna L. Ciatti; Nathaniel K. Szymczak, Chemical Communication, 2018

Modular but geometrically constrained ligands were used to investigate the impact of key ligand design parameters (charge and bite angle) on CO2 hydrogenation and formic acid dehydrogenation activity. These studies yielded an optimized catalyst that achieved over 118 000 turnovers in CO2 ...

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Group 2 Metal Bis(arenecarbochalcogenoate)(Crown Ether) Complexes: Isolation and Structural Analysis

03-Jul-2018 | Yoshiharu Tatematsu; shinzi kato; Norio Nakata; Masahiro Ebihara; Osamu Niyomura; Koh Sugamata; Mariko Yukimoto; Mao ..., Dalton Transactions, 2018

A series of Group 2 metal bis(arenecarbochalcogenoato)(crown ether) complexes M(EE’CAr)2(L)(L’)x (M = Mg, Ca, Sr, Ba; Ar = aryl; E = S, Se; E’ = O, S; L = H2O or THF; L’ = 15-crown-5, 18-crown-6) were synthesized and their structures were revealed by X-ray analyses. The two carbothioato ligands ...

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Triazole vs Triazolium Carbene Ligands in the Site-Selective Cyclometallation of o-Carboranes by M(III) (M=Ir,Rh) Complexes

03-Jul-2018 | Maria Frutos; Mar Gomez-Gallego; Elena A Giner; Miguel A. Sierra; Carmen Ramirez de Arellano, Dalton Transactions, 2018

Ir(III) and Rh(III)-mediated site-selective cage B–H and C–H bond activation in o-carboranylmethyl derivatives has been achieved. The selectivity of the reaction is related to the electron donating properties of the ligand. 1,2,3-triazole-Derivatives use the N2 position of the triazole ring to ...

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Mixed-valence dimolybdenum complexes containing hard oxo and soft carbonyl ligands: Synthesis, structure, and electrochemistry of Mo2(O)(CO)2([small mu ]-к2-S(CH2)nS)2(к2-diphosphine)

03-Jul-2018 | Graeme Hogarth; Shishir Ghosh; Shariff Enamul Kabir; Michael G. Richmond; Mohd. Rezaul Haque; Tasneem Siddiquee; V ..., Dalton Transactions, 2018

Mixed-valence dimolybdenum complexes Mo2(O)(CO)2{μ-к2-S(CH2)nS}2(к2-Ph2P(CH2)mPPh2) (n=2,3; m=1,2) (1-4) have been synthesized from one-pot reactions of fac Mo(CO)3(NCMe)3 and dithiols, HS(CH2)nSH, in the presence of diphosphines. The dimolybdenum framework is supported by two thiolate bridges, ...

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Iron(II) complexes of tris(2-pyridylmethyl)amine (TPMA) and neutral bidentate ligands showing thermal- and photo-induced spin crossover

03-Jul-2018 | Víctor García-López; João C. Waerenborgh; Bruno J. C. Vieira; Miguel Clemente-León; Eugenio ..., Dalton Transactions, 2018

Three new mononuclear Fe(ii) complexes have been prepared and characterized by the combination of tetradentate tris(2-pyridylmethyl)amine (TPMA) with three neutral bidentate ligands, such as ethylenediamine (en), 1,2-diaminopropane (pn) and 2-picolylamine (2-pic), in compounds ...

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Rare-earth metal bis(aminobenzyl) complexes supported by pyrrolyl-functionalized arylamide ligands: synthesis, characterization and styrene polymerization performance

03-Jul-2018 | Min Li; Chaopan Wang; Hongzhen Xie; Zehuai Mou; Yunjie Luo, Dalton Transactions, 2018

Acid-base reaction between the rare-earth tris(o-dimethylaminobenzyl) complexes Ln(CH2C6H4NMe2-o)3 and the pyrrolyl-functionalized arylamide ligands 2,5-Me2C4H2NCH2SiMe2NHC6H4R (R = H, (HL1); R = Cl-p, (HL2)) was investigated. Treatment of HL1 and HL2 with 1 equiv. of Ln(CH2C6H4NMe2-o)3 in ...

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Directed ortho C-H borylation catalyzed by Cp*Rh(III)-NHC complex

03-Jul-2018 | Jompol Thongpaen; thibault E. schmid; Loïc Toupet; Vincent Dorcet; Marc Mauduit; Olivier Basle, Chemical Communication, 2018

Cp*Rh(NHC) complexes with bulky chiral bidentate NHC-carboxylate ligands were efficiently synthesized and fully characterized including solid-state structures. The new complexes demonstrated high selectivity in the pyridine-directed ortho-C-H borylation of arenes under mild conditions.

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Tetranuclear and dinuclear phenoxido bridged copper complexes based on unsymmetrical thiosemicarbazone ligands

03-Jul-2018 | Catherine Belle; James Alfred Isaac; Ali Taher Mansour; Rolf David; Amelie Kochem; Christian Philouze; Serhiy Demesh ..., Dalton Transactions, 2018

We report on the synthesis of new dinucleating phenol-based “end-off” compartmental ligands HLMeH and HLMe2 bearing two different binding sites, one bis(2-methylpyridyl)aminomethyl (BPA) and one thiosemicarbazone (TSC) site, and their corresponding copper(II) complexes 1t and 2d. With the ligand ...

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Synthesis and characterisation of fluorescent aminophosphines and their coordination to gold(I)

03-Jul-2018 | Lara M. Groves; Benjamin D. Ward; Paul D. Newman; Peter N. Horton; Simon J. Coles; Simon J. A. Pope, Dalton Transactions, 2018

Three novel fluorescent aminophosphine ligands have been synthesised that incorporate napthyl (L1), pyrenyl (L2) and anthraquinone (L3) chromophores into their structures. The ligands react with [AuCl(tht)] (tht = tetrahydrothiophene) to give neutral complexes of the form [AuCl(L1–3)]. Solid ...

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