Using a family of novel mononuclear and dinuclear palladium complexes of phanephos ligands, the simultaneous control of regioselectivity and enantioselectivity in the hydroxycarbonylation and alkoxycarbonylation of styrene derivatives has been realised for the first time. (st-andrews.ac.uk)
Synthesis and Crystal Structure of the Bis(μ-hydroxo)diiron(II) Complex with Tridentate Ligands Having a Sterically Bulky Imidazolyl Group Reiko Yaguchi, Hideki Furutachi, Sanae Shirotsuki, Xi Zhang, Takanao Ishikawa, Shigehisa Akine, Takehiko Tosha, Shuhei Fujinami, Masatatsu Suzuki, and Teizo Kitagawa X-ray Struct. (kanazawa-u.ac.jp)
Crystal Structure of Bis(μ-hydroxo)diiron(III) Complex with Tripodal Ligands Having a Terminal Carboxylate Group Xi Zhang, Hideki Furutachi, Yuya Ohyama, Shuhei Fujinami, Shigehisa Akine, and Masatatsu Suzuki X-ray Struct. (kanazawa-u.ac.jp)
In the last decade, transition metal complexes bearing tetradentate bis(phenolato) ligands are widely studied for their high polymerization control and activity. (123dok.org)
Complexes of ruthenium-containing polyaminocarboxylate (p. 38), thiosemicarbazone and isoniazide (p. 48), oxine and azole ligands (p. 325), photoactivated polypyridine ligands (p. 33) and substituted chelating quinolinquinones (p. 368) were also reported. (matthey.com)
DNA binding studies of ruthenium complexes of polypyridines (pp. 326, 346), crown ethers and bridging polypyridilic ligands (p. 349) were discussed, including the formation of ruthenium 'molecular dots' to capture DNA strands (p. 89). (matthey.com)
These complexes are reviewed according to two main categories of homo-polynuclear and hetero-polynuclear complexes, each of which is further clarified into the metal centers linked by rigid and flexible bridging ligands. (eurekaselect.com)
Furthermore, the photo-switching behavior of selected complexes containing azopyridine ligands was investigated. (materials-chain.com)
Heterohexanuclear (Cu3Fe3) Complexes of Substituted Hexaazatrinaphthylene (HATN) Ligands: Twofold BF4- Association in the Solid and Stepwise Oxidation (3e) or Reduction (2e) to Spectroelectrochemically Characterized Species. (univ-grenoble-alpes.fr)
Calix2
Dinuclear zirconium complex bearing 1,5-bridged-calix[8]arene ligand in the ROP of cyclic esters. (123dok.org)
Dey, M., Rao, C. P., Guionneau, P. (2005) Structural characterization and reactivity of Cu(II) complex of p -tert-butyl-calix[4]arene bearing two imine pendants at lower rim. (uiowa.edu)
Ligand5
Parkin, G. "Mononuclear and Dinuclear Molybdenum and Tungsten Complexes of p-tert-Butyltetrathiacalix[4]arene and p-tert-Butyltetrasulfonylcalix[4]arene: Facile Cleavage of the Calixarene Ligand Framework by Nickel" J. Am. Chem. (nyu.edu)
Synthesis and Crystal Structure of (μ-Acetato)bis(μ-alkoxo)dicobalt(II, III) Complex with an Unsymmetric Dinucleating Ligand N. Shinde, Ryunosuke Handa, H. Furutachi, Y. Sakata, S. Akine, S. Fujinami, and M. Suzuki X-ray Struct. (kanazawa-u.ac.jp)
Crystal Structure of μ-Phenoxo-μ-benzoate-bridged Dinuclear Fe(II) Complex with a Dinucleating Ligand Having a Sterically Bulky Imidazolyl Group Yuichi Yasuda, Hideki Furutachi, Yosuke Hayashi, Kana Ishizaki, Shuhei Fujinami, Shigehisa Akine, Masatatsu Suzuki, Shigenori Nagatomo, and Teizo Kitagawa X-ray Struct. (kanazawa-u.ac.jp)
The three stereoisomers, meso -bpp, ( S,S )-bpp and (R,R)-bpp are liberated from the corresponding copper(II) complexes by ligand displacement using trans -1,2-diaminocyclohexane- N,N,N',N' -tetraacetic acid (H 4 cdta). (unine.ch)
The complexes were prepared from a reaction of copper(II) nitrate trihydrate and the respective ligand in a (1:2) molar ratio in methanol (for 1 and 2) or THF (for 3 and 4) with addition of NaOH. (ufg.br)
Synthesis3
New insights into possible in vivo reactions (p. 39) and the mechanism by which these platinum complexes may act were reported (p. 40), including kinetic studies (p. 527), consideration of both DNA and RNA as possible targets (p. 41), thermogravimetric behaviour (p. 338), chemically triggering the cis / trans isomerisation of anticancer platinum drugs (p. 372) and the synthesis of model calyx[ n ]arene complexes (p. 258). (matthey.com)
Studies of the synthesis, characterisation and biochemical activity of several new half-sandwich arene complexes of ruthenium and osmium were described (pp. 2, 35, 371). (matthey.com)
The formation of these Cu 2+ complexes can also be used for an improved synthesis and an easy isolation of the three diastereoisomers of bpp. (unine.ch)
Ruthenium complexes3
Polynuclear ruthenium complexes were reported to exhibit synergistic and/or complementary effects: the enhanced DNA structural recognition and DNA binding as well as in vitro anticancer activities. (eurekaselect.com)
This review overviews some representative polynuclear ruthenium complexes acting as DNA structural probes, DNA binders and in vitro anticancer agents, which were developed during last decades. (eurekaselect.com)
Among the most efficient catalysts in this reaction, there are bimetallic zinc complexes for their catalytic performances and high control of polymerization. (123dok.org)
The dinuclear and mononuclear derivatives are shown to be active catalysts/precatalysts for the Suzuki-Miyaura cross-coupling reactions of aryl bromides with aryl boronic acids, and the Sonogashira reactions of aryl halides with phenyl acetylene (in the presence and absence of Cu(I) salts). (unboundmedicine.com)
Iridium1
In dansylamide-competition assays, these designs showed 46-64-fold improved affinity for the iridium pianostool complex [(η5-Cp*)Ir(pico)Cl]. (ward-lab.ch)
Dinuclear zinc1
4 A series of robust dinuclear zinc N-Heterocyclic carbene complexes variously substituted on the nitrogen atoms (10-12) are synthetized during my stay in Strasbourg under the supervision of Dr Dagorne. (123dok.org)
Structural2
The structural variation of self-assembled lanthanide supramolecular complexes which can be induced by different factors such as concentration, anion and solvent, cationic radii, stoichiometric ratio and light. (rsc.org)
Thomas, J.A. Ruthenium(II) polypyridyl complexes and DNA--from structural probes to cellular imaging and therapeutics. (eurekaselect.com)
Characterization1
Brummett A. E., Schnicker N. J., Crider A., Todd J. D., Dey M. (2015) Biochemical, Kinetic, and Spectroscopic Characterization of Ruegeria pomeroyi DddW-A Mononuclear Iron-Dependent DMSP Lyase. (uiowa.edu)
Compounds1
Chen, Z.S. The development of anticancer ruthenium(ii) complexes: from single molecule compounds to nanomaterials. (eurekaselect.com)
Reaction2
For example, in the α-ketoglutarate-dependent enzymes, one atom of dioxygen is incorporated into two substrates, with one always being α-ketoglutarate, and this reaction is brought about by a mononuclear iron center. (wikipedia.org)
(ROP) of rac-lactide under the typical reaction conditions (toluene, 90 °C), showing catalytic performances comparable to the most active complexes reported in literature. (123dok.org)
Anticancer activity2
A significant number of contributions concerned alternative pgm-containing complexes (particularly of platinum and palladium) with potential anticancer activity. (matthey.com)
A specific focus is on the development of new Pt(IV) anticancer pro-drugs with reduced side effects, metal complexes with receptor-specific carriers for target-delivery and selective accumulation into cancer tissue and on metal complexes that exhibit anticancer activity by irreversibly cleaving the tumour cell DNA. (universityofgalway.ie)
Transition metal2
CO cleavage and coupling was discussed by Theodor Agapie (Caltech) and mimics of reactive intermediates in catalytic processes mediated by transition-metal CO complexes were presented by Josh Figueroa (University of California, San Diego). (fusion-conferences.com)
Schatzschneider, Photoactivated biological activity of transition‐metal complexes. (eurekaselect.com)
Chem1
Parkin, G. "p-tert-Butyltetrathiatetramercaptocalix[4]arene as a Sulfur-Rich Platform for Molybdenum, Tungsten and Nickel" Chem. (nyu.edu)
Cleavage1
For instance, carbon-carbon bond cleavage, fatty acid hydroperoxidation, carbon-sulfur bond cleavage, and thiol oxidation are all reactions catalyzed by mononuclear iron dioxygenases. (wikipedia.org)
20211
Carmona, E.* Isomerization of a cationic (η 5 -C 5 Me 5 )Ir(III) complex involving remote C-C and C-H bond formation , Polyhedron , 2021 , 207, 115363. (us-csic.es)
20221
Carmona, E.* Coordination of E-C Bonds (E = Zn, Mg, Al) and the Zn-H Bonds of (C5Me5)ZnH and (C5Me5)ZnZnH across a Quadruply Bonded Dimolybdenum Dihydride Complex , Organometallics 2022 , 41 , 3225. (us-csic.es)
Catalytic4
The mononuclear iron dioxygenases, or non-heme iron-dependent dioxygenases as they are also termed, all utilize a single catalytic iron to incorporate either one or both atoms of dioxygen into a substrate. (wikipedia.org)
Triphenylcyclopentadienyl Rhodium Complexes in Catalytic C-H Annulations. (msu.ru)
A series of macrocyclic iron(III) complexes were used to evaluate specifics related to the role of O2, radicals, and μ-oxodiiron-complex participation in the catalytic cycle. (worktribe.com)
μ-Oxodiiron complexes are not involved in the main catalytic pathway, and the dimers are, in fact, off-cycle species that decrease catalytic efficiency. (worktribe.com)
Heme2
Iron-containing dioxygenases can be subdivided into three classes on the basis of how iron is incorporated into the active site: those employing a mononuclear iron center, those containing a Rieske [2Fe-2S] cluster, and those utilizing a heme prosthetic group. (wikipedia.org)
Two important groups of mononuclear, non-heme iron dioxygenases are catechol dioxygenases and 2-oxoglutarate (2OG)-dependent dioxygenases. (wikipedia.org)
Nickel1
Steigerwald, M. "A Stable Tetraalkyl Complex of Nickel(IV)" Angew. (nyu.edu)
Widely1
Although mononuclear Group IV metal complexes are widely explored in the ROP of cyclic esters, few example of analogues dinuclear complexes remain little studied so far. (123dok.org)
Dioxygen2
Aerobic life, from simple single-celled bacteria species to complex eukaryotic organisms, has evolved to depend on the oxidizing power of dioxygen in various metabolic pathways. (wikipedia.org)
Despite this common oxygenation event, the mononuclear iron dioxygenases are diverse in how dioxygen activation is used to promote certain chemical reactions. (wikipedia.org)
Formation1
Formation constants of the carbonato complexes [Cu( meso -bpp)(CO 3 )] and rac-[Cu(bpp)(CO 3 )] (1.02 × 10 3 M -1 and 1.77 × 10 3 M -1 , respectively, µ = 0.70 M) have been calculated from spectrophotometric measurements. (unine.ch)
Metal3
Sadler, P.J. Unusual DNA binding modes for metal anticancer complexes. (eurekaselect.com)
Aldrich-Wright, J.R. Metal complex interactions with DNA. (eurekaselect.com)
Grafted dinuclear metal complexes, and use thereof as cellular microvesicle sensors. (univ-grenoble-alpes.fr)
Organic1
As this field has been developing very broadly and rapidly, many of the latest achievements are presented in this review, including organic ferromagnetic materials, organic magnetoelectric materials, and organic optomagnetic complexes. (nature.com)
Structure1
Most mononuclear iron dioxygenases are members of the cupin superfamily in which the overall domain structure is described as a six-stranded β-barrel fold (or jelly roll motif). (wikipedia.org)
Group1
The next morning started with a plenary lecture given by Marc Fontecave (College de France) discussing CO 2 reduction by molecules and solids followed by a talk of Cameron Jones (Monash University) outlining how main-group element complexes can activate small molecules. (fusion-conferences.com)
Study1
A Comparative Study of the Structures and Fluxionality of the Carbenium Ion Complexes [FvMo2(CO)4(.mu. (mcmaster.ca)
Agents1
Kinetically-inert polypyridylruthenium(II) complexes as therapeutic agents. (eurekaselect.com)
Platinum complex1
Williams, L.D. A third mode of DNA binding: Phosphate clamps by a polynuclear platinum complex. (eurekaselect.com)