A5033842944- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Organometallic Complex Synthesis and Catalysis
- Magnetism in coordination complexes
- Metal complexes synthesis and properties
- Organic Light-Emitting Diodes Research
- Crystallography and molecular interactions
- Lanthanide and Transition Metal Complexes
- Asymmetric Hydrogenation and Catalysis
- Supramolecular Chemistry and Complexes
- Inorganic Fluorides and Related Compounds
- Fluorine in Organic Chemistry
- Luminescence and Fluorescent Materials
- Radical Photochemical Reactions
- Glass properties and applications
- Oxidative Organic Chemistry Reactions
- Catalytic Alkyne Reactions
- Porphyrin and Phthalocyanine Chemistry
- Nanocluster Synthesis and Applications
- Ferroelectric and Piezoelectric Materials
- Zeolite Catalysis and Synthesis
- Electrocatalysts for Energy Conversion
- Catalytic Cross-Coupling Reactions
- Cyclopropane Reaction Mechanisms
- Analytical Chemistry and Sensors
University of California, Davis
2015-2024
Tarbiat Modares University
2023
Shiraz University
2015-2022
Institute for Advanced Studies in Basic Sciences
2017-2022
St Petersburg University
2022
College of Medical Sciences
2015-2019
Islamic Azad University of Shiraz
2019
University of Zanjan
2017-2018
K.N.Toosi University of Technology
2010-2012
Luminescent gold(I) complexes ([Au6(Triphos)4Cl](PF6)5·2(CH3C6H5), [Au6(Triphos)4Cl](AsF6)5·8(CH3C6H5), and [Au6(Triphos)4Cl](SbF6)5·7(CH3C6H5) where Triphos = bis(2-diphenylphosphinoethyl)phenylphosphine) with a boxlike architecture have been prepared crystallographically characterized. A chloride ion resides at the center of box two six ions nearby. Mechanical grinding blue luminescent crystals containing cation, [Au6(Triphos)4Cl]5+, results in their conversion into amorphous solids green...
Mononuclear complexes [Pt(ppy)(S∧S)] (1a, S∧S = O,O′-di(cyclohexyl)dithiophosphate (ctp); 2a, O,O′-di(butyl)dithiophosphate (btp)) and [Pt(bzq)(S∧S)] (1b, ctp; 2b, btp) have been prepared by the reaction of precursor [Pt(C∧N)Cl(dmso)], C∧N deprotonated form 2-phenylpyrdine (ppy) 7,8-benzoquinoline (bzq), potassium salt ligands. All were characterized NMR spectroscopy, structure 2b was further identified single crystal X-ray determination. Although are not luminescent in solution at ambient...
The effect of ligands on the luminescent properties some monomeric and dimeric cycloplatinated(<sc>ii</sc>) complexes containing biphosphine was investigated.
Abstract Herein, a novel pH‐responsive phosphorescent probe based on cyclometalated iridium(III) complex is reported. To prevent oxygen quenching of phosphorescence and to improve the biocompatibility, covalently conjugated with water‐soluble block‐copolymer that also increases its pH sensitivity. The resulting polymeric nanoprobe demonstrates strong response lifetime onto variations in physiological range. Cellular experiments Chinese hamster ovary (CHO‐K1) cells show predominant...
In the present work, a series of aryl‐cycloplatinated(II) complexes with general formula [Pt(C ^ N)(Ar)(κ 1 ‐dppm)], , [C N = 7,8‐benzoquinolinyl (bzq) or 2‐phenylpyridinyl (ppy); Ar C 6 F 5 p ‐MeC H 4 dppm 1,1‐bis(diphenylphosphanyl)methane] was employed in reaction AuCl(SMe 2 ) order to generate heterobimetallic Pt II ‐Au I complexes, N)(Ar)(µ‐dppm)Au(Cl)], featuring bridge between metal centers. The expectation induce metallophilic character into excited state and reduce non‐radiative...
Cycloplatinated(<sc>ii</sc>) complexes <bold>1–4</bold> were synthesized and characterized. All exhibit strong luminescence except <bold>3</bold>.
This work reports the synthesis and characterization of a new C^N-based cycloplatinated(II) fluoride complex, [Pt(ppy)(PPh3)F] (2; ppy = 2-phenylpyridinate), involving Pt–F bond. The complex is highly luminescent in green area with high quantum yield 94.6% at 77 K. A comparison study heavier halogen derivatives reveals descending emission order F > Cl Br I. Time-dependent density functional theory calculations ascribe decreased efficiency to decreasing trend an intraligand (IL) transition...
A six-membered cyclometalated complex [PtMe(bzpy)(PPh<sub>3</sub>)] (bzpy = 2-benzylpyridinate) undergoes oxidative addition with methyl iodide to give [PtMe<sub>2</sub>I(bzpy)(PPh<sub>3</sub>)]. The ring size of the chelating unit has a significant impact on rate reaction.
The known rollover cycloplatinated(<sc>ii</sc>) complex [Pt<sub>2</sub>Me<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>(μ-bpy-2H)], <bold>1</bold>, in which bpy-2H acts as a bridging ligand, reacts with MeI to give new binuclear cycloplatinated(<sc>iv</sc>) [Pt<sub>2</sub>Me<sub>4</sub>I<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>(μ-bpy-2H)], <bold>2</bold>.
A family of cationic cycloplatinated(II) complexes [Pt(dfppy)(P^P)]Cl, dfppy = 2-(2,4-difluorophenyl)pyridine, incorporating bisphosphine ligands, P^P bis(diphenylphosphino)methane (1, dppm), 1,2-bis(diphenylphosphino)ethane (2, dppe) and 1,2-bis(diphenylphosphino)benzene (3, dppbz), was prepared. The were characterized by means several analytical spectroscopic methods. These displayed acceptable stability in the biological environments which confirmed NMR, HR ESI-MS UV-vis techniques....
Cycloplatinated complexes bearing isocyanides were prepared and characterized. The exhibited strong luminescence while the nature of R substituents in affected characteristics.
Described here is the synthesis and characterization of heteroleptic binuclear platinum(ii) complexes type [Pt2(μ-bpy-2H)(S^S)2] [Pt2(μ-bpy-2H)(L)2(X)2], containing a 2,2'-bipyridine-based double rollover cycloplatinated core (Pt(μ-bpy-2H)Pt), in combination with anionic S^S- chelate ligands di(ethyl)dithiocarbamate (dedtc) O,O'-di(cyclohexyl)dithiophosphate (dcdtp) or non-chelating L/X ancillary (PPh3/Me, t-BuNC/Me, PPh3/SCN PPh3/N3). The new were characterized using multinuclear (1H, 31P...
The luminescence properties of double rollover cycloplatinated(<sc>ii</sc>) complexes and the effects halogen ligands on are investigated.
In the present investigation, precursor complex [Pt(ppy)(PPh3)(Cl)], 3, ppy = 2-phenylpyridinyl, undergoes chloride abstraction reaction using various AgX (X PF6, BF4, NO3 and CH3COO) salts. Depending on nature of anions in salts (coordinating or noncoordinating), products can be neutral ionic. cases CH3COO, they coordinated to Pt center so that complexes [Pt(ppy)(PPh3)(NO3)], 4a, [Pt(ppy)(PPh3)(CH3COO)], 4b, are formed. contrast, ionic [{Pt(ppy)(PPh3)(CH3CN)}PF6], 5a,...
The oxidative addition of iodomethane to cycloplatinated(II) complexes containing allyldiphenylphosphane (PPh 2 allyl) ligands, namely, [Pt(C ^ N)Me(PPh allyl)] [ 1 – 4 ; C N = deprotonated 2‐phenylpyridyne (ppy), 2,2′‐bipyridine (bpy), ‐oxide (O‐bpy), 3 and 7,8‐benzoquinoline (bzq), ], occurs readily with trans stereochemistry give the ‐Pt IV isomers 1a 4a , which then transform slowly cis 1b 4b . All were characterized by NMR spectroscopy, structures 3a 3b determined single‐crystal X‐ray...
The synthesis and characterization of three six-coordinated Pt(IV) complexes with the stoichiometry [Pt(Ar)2(S∧N)2] (S∧N = Sbt, benzothiazole-2-thiolate, Ar p-MeC6H4 (1a), C6F5 (1b); S∧N Spy, 2-pyridinethiolate, (1c)) is described. Of these, 1a undergoes, at room temperature within 18 h, a remarkable C–C reductive elimination process between aryl ligands to give, as final products, stable binuclear lantern complex [Pt2(Sbt)4] (2a) 4,4′-dimethylbiphenyl. Differently from 1a, solutions 1b,c...
A new rollover cycloplatinated(<sc>ii</sc>) complex was prepared. The reactivity of this investigated towards a wide range diphosphine ligands.
Abstract Herein, we report an iron/nickel/zinc mixed oxide as a catalyst for the electrochemical water oxidation. This was synthesized by straightforward method synthesis of through calcination Fe/Ni/Zn organometallic compound. The calcined product contains Fe and Ni crucial ions oxidation, accompanied presence Zn ions. removal from provides more active sites on surface catalyst. composition compound characterized some common methods found to be efficient water-oxidizing FTO at pH = 13...