Claudio Pettinari

Claudio Pettinari
University of Camerino | UNICAM · Scuola di Scienze del Farmaco e dei Prodotti della Salute

MSc Chemistry

About

462
Publications
61,396
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Introduction
Nasini Medal, Bonati prize, Doctor Honoris Causa from Univ. of Galati, Camerte 2013, His main scientific interest is in the fields of inorganic and organometallic chemistry: synthesis, characterization and study of reactivity of new compounds, transition and main group metal complexes carried out by spectroscopic techniques (NMR, IR, UV-Vis, ESI, FAB, X-ray); in particular, design and Synthesis of new antimicrobial and antitumour mono- and polynuclear organotin, ruthenium and gold complexes
Additional affiliations
January 2014 - June 2018
CNR ICCOM - Florence
Position
  • Associate Member
June 2013 - June 2013
SEBRAE Porto Alegre
Position
  • Professor
August 1999 - September 1999
University of Zaragoza
Position
  • Professor

Publications

Publications (462)
Article
The Ust-Ruditsa glass factory, founded in 1753 by the Russian scientist Mikhail Lomonosov has produced a variety of smalt glasses for mosaics and bijouterie. Lomonosov, which was the glass-technologist of the factory, by using a limited number of glass colorants elaborated the glass receipts with the aim to obtain colored glasses. At that site seve...
Article
Zn(HCOO)2.2H2O reacts with 1,2-bis(4-pyridyl)ethylene (bpe) yielding two new coordination polymers [Zn4(HCOO)8(bpe)2(H2O)]∞ (1) and [Zn2(HCOO)4(bpe)]∞ (2) which were structurally characterized by IR spectroscopy and single crystal X-ray diffraction study. The hydrate species 1 is a 3D polymer where four different zinc sites are present, the first o...
Article
In this study, dinuclear bis(2,2'-bipyridine)-tris{[μ-pyrimidin-2-yl)sulfanyl]acetato}Zn(II) perchlorate complex was synthesized and characterized by FT-IR, ESI-MS, ¹H NMR and single-crystal X-ray diffraction studies. The bis(2,2'-bipyridine)-tris{[μ-pyrimidin-2-yl)sulfanyl]acetato}Zn(II) perchlorate was crystallized in a monoclinic crystal system...
Article
Syntheses, spectroscopy and single crystal X-ray structural characterizations are recorded for a number of adducts AgX : PR3 (1:1)n obtained from the reaction of silver(I) salts with sterically hindered tertiary phosphine bases, extending previous studies. With tris(o-tolyl)phosphine, P(o-tolyl)3, binuclear adducts AgX : P(o-tolyl)3 (1:1)2 are defi...
Article
A number of 1:2 or 1:1 Ag(I)X : L complexes formed between silver(I) salts, Ag(I)X, and P-donor ligands (L) PPh(3-n)mesn ('mes' = 2,4,6-trimethylphenyl) have been synthesized and spectroscopically and structurally characterized. Ag(I)X : Pmes3 (1:2) (solvated) are of the ionic form [Ag(Pmes3)2]⁺X⁻, with linear two-coordinate silver atom environment...
Article
Crystallization of copper(I) halide : triphenylphosphine mixtures from 1,2-diaminoethane (en = ethylenediamine) has yielded adducts 1:1:2 CuX:PPh3:en stoichiometry (X = Cl or I); the chloride and iodide have been characterized by room temperature single crystal X-ray structure determinations; the iodide is a hemisolvate. In both cases, the complex...
Article
Colourless crystalline adducts obtained by the crystallization of various silver(I) compounds in 1:1 molar proportions with EPh3 (E = P, As, Sb) from 1,2-diaminoethane (ethylenediamine) (en ≡ H2N(CH2)2NH2) have been structurally characterized by room temperature single crystal X-ray studies as 1:1:2 AgX : EPh3 : en adducts. The array of compounds i...
Article
With the aim of creating new light emitting systems, two new dysprosium complexes of formula [DyQcy3(H2O)] (1-Dy) and [H3O][DyQcy4] (2-Dy) (where HQcy = 1-phenyl-3-methyl-4-cyclohexylcarbonyl-pyrazol-5-one) have been synthesized and characterized by spectroscopy. The reaction conditions to address the synthesis toward these tris-(diketonate)dyspros...
Article
Full-text available
The reaction of select copper(II) monocarboxylates Cu(RCOO)2(H2O)x (R = C4H3O, C6H5, H; x = 2, 4) with pyrazole (Hpz), carried out in protic solvents, yields mono- or dinuclear species [Cu(RCOO)2(Hpz)n]m (n = 2, 4; m = 1, 2), always accompanied by tri- or hexanuclear derivatives based on the triangular [Cu3(μ3-OH)(μ-pz)3]²⁺ fragment. The molecular...
Article
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Metal–organic frameworks (MOFs) are a family of porous crystalline materials that serve in some cases as versatile platforms for catalysis. In this review, we overview the recent developments about the use of these species as heterogeneous catalysts in olefin epoxidation and carbon dioxide cycloaddition. We report the most important results obtaine...
Article
Infections caused by microbes constitute a severe risk to public health and the increasing resistance of pathogens to antibiotics has led to serious health problems in recent years. Scientific progress in nanotechnologies and materials science is allowing the production of new substances with intrinsic antimicrobial activity for new applications in...
Article
The dichroic nature of Lycurgus cup glass exposed at British Museum and prepared by ancient roman glassmakers (IV c. AD) is still exciting the researchers minds and for this reason a series of replica glasses with optical properties and composition similar to Lycurgus cup glass has been prepared by secondary heat treatment. The glass microstructure...
Article
Two pyrazole-based ligands bearing a pyridine moiety, 3-methyl-1-(pyridin-2-yl)-5-pyrazolone (HLpy), and 3-methyl-1-(pyridin-2-yl)-4-trifluoroacetyl-5-pyrazolone (HQpy,CF3), were prepared and fully characterized in the solid-state and the tautomerism of both ligands in solution was also rationalized by using Density Functional Theory. Neutral ruthe...
Article
The unique optical and magnetic properties of lanthanide ions (Ln), like a gem, need the right faceting and the right setting. Azole carboxylic acids provide a unique platform for driving the structure of complex compounds ranging in dimensions from 0-D (molecular complexes) to 1-D, 2-D polymers and 3-D MOF (Metal Organic Framework) structures. The...
Article
As a celebration of the 44th International Conference on Coordination Chemistry (ICCC2022) that will take place in Italy, the Italian groups working in the research field of Metal–Organic Frameworks (MOFs) have decided to gather together and collect the results they have obtained in this area over the past 15 years. A survey that starts from the sy...
Article
Aiming at extending the tagged zinc bipyrazolate Metal‐Organic Frameworks (MOFs) family, the ligand 3,3'‐diamino‐4,4'‐bipyrazole (3,3'‐H2L ) has been synthesized in good yield. The reaction with zinc(II) acetate hydrate led to the related MOF Zn(3,3'‐L). The compound is isostructural with its mono(amino) analogue Zn(BPZNH2) and with Zn(3,5‐L), its...
Article
The newly prepared unsymmetrical pincer ligand with a benzothiazole side-arm 2-(3-((di-tert-butylphosphino)methyl)phenoxy)benzo[d]thiazole [ BzTz (H)PCN] has been reacted with anhydrous NiBr 2 to get the corresponding Ni II square planar bromo complex (BzTz PCN)NiBr (1) after HBr elimination and CH activation on the pincer central phenyl ring. Sta...
Article
Synthesis and structural characterisation of some mononuclear 1:1:1 complexes of coinage metal(I) compounds with tertiary phosphines (arsines) and 1,2-diamines, [MX(EPh 3)(N,N'-1,2-diamine)] Synthesis and structural characterisation of some mononuclear 1:1:1 complexes of coinage metal(I) compounds with tertiary phosphines (arsines) and 1,2-diamines...
Preprint
Full-text available
Preliminary evidence for the occurrence of high-Tc superconductivity in alkali-doped organic materials, such as potassium-doped p-terphenyl (KPT), were recently obtained by magnetic susceptibility measurements and by the opening of a large superconducting gap as measured by ARPES and STM techniques. In this work, KPT samples have been synthesized b...
Article
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Preliminary evidence for the occurrence of high-T C superconductivity in alkali-doped organic materials, such as potassium-doped p-terphenyl (KPT), were recently obtained by magnetic susceptibility measurements and by the opening of a large superconducting gap as measured by ARPES and STM techniques. In this work, KPT samples have been synthesized...
Article
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Seeking to enrich the yet less explored field of scorpionate complexes bearing antioxidant properties, we, here, report on the synthesis, characterization and assessment of the antioxidant activity of new complexes derived from three scorpionate ligands. The interaction between the scorpionate ligands thallium(I) hydrotris(5-methyl-indazolyl)borate...
Article
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The new coordination polymers (CPs) [Zn(tr 2 ad)Cl 2 ] n , {[Cu(tr 2 ad)Cl]Cl·4H 2 O} n , [Cd 2 (tr 2 ad)Cl 4 ] n , {[Cu(tr 2 ad)(NO 3)](NO 3)} n and {[Cd(tr 2 ad)(NO 3)](NO 3)·H 2 O} n were obtained in the form of air-and moisture-stable microcrystalline powders by the solvothermal reactions of zinc(II), copper(II) and cadmium(II) chlorides or nit...
Article
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Role of MOFs in CO 2 chemical conversion; Photocatalytic and electrocatalytic CO 2 reduction; Role of linkers and metals in CO 2 chemical conversion; and MOF composites and films in CO 2 conversion. In this review, we analyze the emerging field of metal-organic frameworks (MOFs) as catalysts for chemical conversion of CO 2 , with examples ranging f...
Article
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Detailed report on MOFs for CO 2 adsorption on the basis of ligands employed, OMSs, and structures. Systematic report on the high-and low-pressure CO 2 capture. Report on the mechanism of CO 2 capture. A review on the promising field of MOF-based carbon capture and storage is presented. We discuss here the main features of MOFs applicable for CO 2...
Article
Organometallic Ru(II) arene complexes have emerged as potential alternative to platinum anti-tumor drugs due to their stability in solution and in the solid state, significant biological activity and reduced toxicity and hydrophobicity of their ancillary arene groups. We report here a series of Ru(II)-arene dinuclear complexes prepared from 3,3’,5,...
Article
Three novel lanthanide complexes based on 1,3-bis(1,3-dimethyl-1H-pyrazol-4-yl)propane-1,3-dionate (L), namely [Ln(L)3(phen)] (Ln = Gd, Yb, Lu; phen = 1,10-phenanthroline) were synthesized and characterized by spectroscopy and single crystal X-ray study that revealed a monomeric nature for the three compounds. Comparison of the molecular parameters...
Article
Three metal-organic frameworks with the general formula Co(BPZX) (BPZX2- = 3-X-4,4'-bipyrazolate, X = H, NH2, NO2) constructed with ligands having different functional groups on the same skeleton have been employed as heterogeneous catalysts for aerobic liquid-phase oxidation of cumene with O2 as oxidant. O2 adsorption isotherms collected at pO2 =...
Article
Full-text available
Hydrocarbons separation in petrochemical industries is a key, energy-consuming stage in the manufacture of high-quality added-value products—hence the need for more efficient materials and environmentally friendly methodologies to improve this process. In this context, we have studied the effect of metal-organic frameworks (MOFs) pore functionaliza...
Article
Three novel coordination compounds based on 2,4,6-tris(1H-pyrazolyl)-l,3,5-triazine ligand (PzTz), namely [Ln(PzTz)(NO3)3(H2O)] (Ln = Eu, Gd, Tb) were synthesized and spectroscopically and structurally characterized. X-ray diffraction experiments revealed the monomeric nature of the complexes exhibiting either “sphenocorona” or bicapped square anti...
Article
Full-text available
A series of copper(II) pyrazolates were synthesized employing different synthetic approaches. By refluxing either [Cu3(µ3-OH)(µ-pz)3(CH3COO)2(pzH)] (pzH = pyrazole) or [Cu(µ-pz)2·H2O]n in water, [Cu(µ-pz)(µ-OH)]n (1) was unexpectedly obtained, whereas the reactions of copper(II) acetate hydrate with pzH or 4-XpzH (4-XpzH = 4-Xpyrazole, X = Cl, Br,...
Article
Guest Editor Claudio Pettinari describes the organization of the first School of Organometallic Chemistry, telling the story of its development to become the highly successful International School anticipating its 13th edition in 2021. He then introduces the 24 contributions in this double Special Issue of EurJIC in celebration of the 12th edition.
Article
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An adhesive for particleboards based on natural materials was prepared. Soy flour (38.9 wt%), magnesium oxide (MgO) (2.8 wt%), and a hydrolysate from an agricultural crop (13.9 wt%) were mixed with water and ground in a ball mill at 44% solids. The solubility and interaction of the soy flour proteins and the proteins contained in the plant hydrolys...
Article
The outcomes of the investigations on the structures and reactivity of a massive number of main group and transition metal complexes containing different families of ligands are reviewed. All the data result from the scientific collaboration between the research groups of Claudio Pettinari and Allan White which lasted fifteen years.
Article
Pyrazolone-based ligands are rapidly becoming popular for use in catalysis, in biological applications, in sensors, in functional materials and as pigments for dyes. Many metal complexes with pyrazolone-based ligands have been reported since 80s of the last century, and several of them were found to possess interesting features, such as catalytic a...
Article
Two new lanthanide (III) complexes, namely [Ln(QCy)3(H2O)] (Ln = Eu (1), Gd (2); HQCy = 1-phenyl-3-methyl-4-cyclohexylcarbonyl-pyrazol-5-one), have been obtained by reaction of corresponding Ln(NO3)3·xH2O with excess of HQCy and MOH, M = Li, Na, K or Cs. Unexpectedly, formation of the [Ln(QCy)4]⁻ species was not observed, also when the reaction was...
Article
Full-text available
In the last two decades, a tremendous amount of attention has been directed towards the design of antibacterial silver(I)-based materials, including coordination polymers (CPs) built up with a great variety of oxygen and nitrogen-containing ligands. Herein, a family of six new silver(I)-based CPs, having the general stoechiometric formula [Ag(H2DMP...
Article
Five‐ and six‐coordinated zinc(II) complexes, [Zn(QR)2(H2O)] (1‐2) and [Zn(QR)2(L)] (3‐8) (HQR = 4‐R(C=O)‐5‐pyrazolones in general, in detail HQC17, R = ‐(CH2)16CH3, HQCy, R = ‐C6H11; L = bipy, tmeda or en) have been synthesized and characterized by IR, 1H and 13C NMR, UV‐visible spectroscopy, elemental analysis, TGA and ESI mass spectrometry. The...
Article
The first examples of (arene)Os(II) curcuminoid derivatives have been prepared and characterized. The neutral complexes [(p-cym)Os(curc)Cl] (1) and [(p-cym)Os(bdcurc)Cl] (2), together with the cationic derivatives [(p-cym)Os(curc)(PTA)][SO3CF3] (3) and [(p-cym)Os(bdcurc)(PTA)][SO3CF3] (4) (PTA = 1,3,5-triaza-7-phosphaadamantane) were characterized...
Article
The dispute over the paternity of western paper is a longstanding problem. In Italy, a country that has a long tradition of papermaking, many cities compete for the leadership in the production of this material; on the other hand, several studies attribute to Fabriano (13th century), a little center in Marche region, the birth of modern paper and i...
Article
The four zinc(II) mixed-ligand metal-organic frameworks (MIXMOFs) Zn(BPZ) x (BPZNO2)1-x, Zn(BPZ) x (BPZNH2)1-x, Zn(BPZNO2) x (BPZNH2)1-x, and Zn(BPZ) x (BPZNO2) y (BPZNH2)1-x-y (H2BPZ = 4,4'-bipyrazole; H2BPZNO2 = 3-nitro-4,4'-bipyrazole; H2BPZNH2 = 3-amino-4,4'-bipyrazole) were prepared through solvothermal routes and fully investigated in the sol...
Article
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A method for the preparation of transparent superhydrophobic silica coatings on glass substrates via aerosol‐assisted chemical vapour deposition (AACVD) is described. A multi-layer process to produce dual scale silica nanoparticles films, by using different functional alkoxysilanes was investigated. A first layer of 3-methacryloxypropyltrimethoxysi...
Article
The novel Metal-Organic Frameworks (MOFs) M(BPZNH2) (M = Zn, Ni, Cu) were prepared from the reaction of the corresponding metal acetates M(OAc)2∙nH2O and the organic linker 3-amino-4,4’-bipyrazole (H2BPZNH2) under solvothermal conditions. H2BPZNH2 was obtained straightforwardly from the reduction of the related nitro-compound using hydrazine as red...
Article
Three pyrazolone-based hydrazone ligands HL' (HL' in general; in detail, HL1 = 2-((5-hydroxo-3-methyl-1-phenyl-1 H-pyrazol-4-yl)(phenyl)methylene)-1-(2,4-nitrophenyl)hydrazine, HL2 = 2-((5-hydroxo-3-methyl-1-phenyl-1 H-pyrazol-4-yl) (phenyl)methylene)-1-(4-nitrophenyl)hydrazine, and HL3 = 2-((5-hydroxo-3-methyl-1-phenyl-1 H-pyrazol-4-yl)(phenyl)met...
Article
In the past two decades the chemistry of coordination polymers (CPs) and metal-organic frameworks (MOFs) has known an incessant development at both the academic and industrial level: the diversity they show in chemical composition, structural features and chemico-physical properties makes them attractive for a wide range of applications of technolo...
Article
Metallocenes can catalyze the polymerization reaction of olefins. Prior to reaction, they require activation on the surface of solid activator particles. The active component in solid activators is methylaluminoxane (MAO). When MAO is heterogeneously dispersed over the particles, some particles have a homogeneous MAO distribution, whereas others on...
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Article
The MOFs M(BPZNO2) (M = Co, Cu, Zn) (H2BPZNO2 = 3‐nitro‐4,4'‐bipyrazole) were prepared through solvothermal routes and fully investigated in the solid state. They show a good thermal stability both under nitrogen and in air, with decomposition temperatures peaking up to 663 K for Zn(BPZNO2). Their crystal structure is characterized by 3‐D networks...
Article
A novel flexible ligand with methyl substituted pyrimidine rings and thioether spacers has been synthesised and the corresponding 1:1 silver(I) adducts have been obtained by interaction with different silver(I) salts AgX (where X = NO3⁻, BF4⁻, ClO4⁻, CH3SO3⁻, CF3CO2⁻, CF3CF2CF2CO2⁻). The X-ray single crystal structure determination of two of the ne...
Article
Alternative composite materials with antibacterial activity have been developed by combining the porosity of carbon materials and the antibacterial activity of half sandwich (cymene)Ru-curcumin complexes. Different types of activated carbon were used, from commercial to synthetic and also ones derived from agricultural waste residues (almond shells...
Article
A series of neutral ruthenium(II)–arene complexes, [(arene)Ru(QR)Cl] (arene = p-cymene or hexamethylbenzene), containing 4-acyl-5-pyrazolonate (QR) ligands with aromatic substituents in the acyl moiety (a phenyl in QPh and a 1-naphthyl in Qnaph) and related ionic complexes [(arene)Ru(QR)(PTA)][PF6] (PTA = 1,3,5-triaza-7-phosphaadamantane) have been...
Article
Oxidoperoxido-molybdenum(VI) complexes containing acylpyrazolonate ligands were obtained by reaction of [Mo(O)(O)2(H2O)n] with the corresponding acylpyrazolone compounds HQR. Complexes Ph4P[Mo(O)(O2)2(QR)] (R = neopentyl, 1; perfluoroethyl, 2; hexyl, 3; phenyl, 4; naphthyl, 5; methyl, 6; cyclohexyl, 7; ethylcyclopentyl, 8) were obtained if the reac...
Article
A series of half-sandwich pentamethylcyclopentadienyl rhodium(III) and iridium(III) complexes [Cp*M(DBM/HDB/AVB)Cl] and [Cp*M(DBM/HDB/AVB)(PTA)][SO3CF3], where Cp* = pentamethylcyclopentadienyl, the proligands DBMH = dibenzoylmethane, HDBH = o-hydroxydibenzoylmethane, AVBH = avobenzone, and PTA = 1,3,5-triaza-7-phosphaadamantane, is reported. All t...
Article
Different synthetic procedures lead to different coordination polymers (CPs) based either on the trinuclear triangular [Cu3(μ 3-OH)(μ-pz)3]²⁺ or on the mononuclear [Cu(Hpz)3]²⁺ (Hpz=pyrazole) secondary building units (SBUs), bridged by the flexible glutarate (Glu) dianion. The mononuclear complex [Cu(HGlu)2(Hpz)4] was also obtained as byproduct. On...
Article
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In recent years, wood fibres have often been applied as the reinforcement of thermoplastic materials, such as polypropylene, whereas their use in combination with thermosetting resin has been less widespread. This study concerns the production of PMMA-based composites by partly replacing alumina trihydrate (ATH) with wood waste fillers, namely rice...
Article
For wood-based panels, is possible to apply two different testing methodologies for formaldehyde emissions (gas analysis (GA) method and chamber method), respectively, regulated by UNI EN717-2:1996 and UNI EN717-1:2004; the analysis procedures have many differences, with regard to the equipment, the dimensions of samples and the testing environment...
Article
Full-text available
A series of novel ruthenium(II) 2,2′-bipyridyl (bpy) and 1,10-phenanthroline (phen) derivatives containing PTA (1,3,5-triaza-7-phosphaadamantane) or mPTA (N-methyl-1,3,5-triaza-7-phosphaadamantane cation) have been synthesized and fully characterized. Three types of complexes have been obtained, neutral [Ru(N-N)(PTA)2Cl2] (1, N-N = bpy and 4, N-N =...
Article
The novel coordination polymer Hg(Me2BPZ) (H2Me2BPZ = 3,3’-dimethyl-1H,1’H-4,4’-bipyrazole) was prepared by reacting the H2Me2BPZ ligand and mercury(II) acetate. The crystal structure of Hg(Me2BPZ), determined by powder X-ray diffraction with laboratory instrumentation, is characterized by a (4,4)-connected 3-D polymeric network, in which the metal...
Article
Dicationic ruthenium(II)-p-cymene complexes containing curcumin ligands (curcH = curcumin, bdcurcH = bisdemethoxycurcumin) and ionic N-methyl-1,3,5-triaza-7-phosphaadamantane ([PTA-Me]X [X = BF4 or I]) have been synthesized and fully characterized for the first time. The solid-state structure of [Ru(p-cym)(curc)(PTA-Me)][SO3CF3][BF4] has also been...
Article
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The burgeoning field of metal-organic frameworks or porous coordination polymers has received increasing interest in recent years. In the last decade these microporous materials have found several applications including storage and separation of gases, sensors, catalysis and functional materials. In order to better design new metal-organic framewor...
Article
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The novel coordination polymers M(Me2BPZ) (M = Co, Zn; H2Me2BPZ = 3,3’-dimethyl-1H,1’H-4,4’-bipyrazole), M(H2Me2BPZ)(CH3COO)2(H2O)2 (M = Co, Ni), and Cu(H2Me2BPZ)(Cl)2 were isolated along conventional or solvothermal routes. Their crystal structure was unveiled by powder X-ray diffraction (PXRD), while their thermal stability was assessed by coupli...
Article
In the past decade great effort has been put into the development of synthetic strategies to produce trinuclear triangular CuII (TTC) arrays, which may be synthetic analogues of the trinuclear site in ascorbate oxidase and blue oxidase. A large number of scientific contributions have been dedicated to the synthesis and spectroscopic characterizatio...
Article
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New copper(I) complexes [CuCl(PPh3)(L)] (1: L = LA = 4-carboxyphenyl)bis(3,5-dimethylpyrazolyl)methane; (2: L = LB = 3-carboxyphenyl)bis(3,5-dimethylpyrazolyl)methane) were prepared and characterised by elemental analysis and various spectroscopic techniques such as FT-IR, NMR, UV–Vis, and ESI-MS. The molecular structures of complexes 1 and 2 were...