Lluís Escriche

Lluís Escriche
Autonomous University of Barcelona | UAB · Department of Chemistry

About

85
Publications
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2,320
Citations
Citations since 2016
8 Research Items
646 Citations
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140

Publications

Publications (85)
Article
Ru or Pt nanoparticles have been prepared following the organometallic approach and deposited onto the surface of mesoporous graphitic carbon nitride (mpg-CN). Three different Ru-based samples have also been compared to investigate the effect of 4-phenylpyridine as a stabilizing agent. The photocatalytic performance towards the hydrogen evolution r...
Article
Platinum nanoparticles (Pt-NPs) have been directly synthesized through the organometallic approach onto the surface of mesoporous graphitic carbon nitride (mpg-CN) semiconductor with two different metal loadings. Thorough multi-technique characterization reveals a very good dispersion of nanoparticles with a narrow size distribution centered at ca....
Article
Development of competent and cost-effective materials for hydrogen evolution reaction (HER) has been attracting great attention since hydrogen is hailed as a promising environmentally friendly energy source to reduce the greenhouse emissions. Herein, Ru(0) nanoparticles (RuNPs) have been stabilized onto the surface of four different conducting carb...
Article
A generic synthetic methodology has been applied for functionalizing four conducting carbon nanoallotropes, such as 0D carbon nanohorns (CNHs), 1D carbon nanotubes (CNTs), 2D reduced graphene oxide (rGO) and 3D graphite (GP) with platinum(0) nanoparticles (Pt–NP), and exploited towards the electrocatalytic determination of methylparaben (MeP), whic...
Article
In this work, we describe the synthesis of a new N-heterocyclic carbene (NHC) ligand, derived from a hybrid pyrazole-imidazolium scaffold, namely 1-[2-(3,5-dimethylpyrazol-1-yl)ethyl]-3-((S)-1-phenylethyl)-3H-imidazol-2-ylidene (L). This ligand has been used as a stabilizer for the organometallic synthesis of palladium(0) nanoparticles (Pd NPs). L...
Article
Full-text available
A new CNNC carbene-phthalazine tetradentate ligand has been synthesised, which in the reaction with [Ru(T)Cl3] (T = trpy, tpm, bpea; trpy = 2,2';6',2''-terpyridine; tpm = tris(pyrazol-1-yl)methane; bpea = N,N-bis(pyridin-2-ylmethyl)ethanamine) in MeOH or iPrOH undergoes a C-N bond scission due to the nucleophilic attack of a solvent molecule, with...
Article
A Ru(II)-pentadentate polypyridyl complex [Ru(II)(κ-N(5)-bpy2PYMe)Cl](+) (1(+), bpy2PYMe = 1-(2-pyridyl)-1,1-bis(6-2,2'-bipyridyl)ethane) and its aqua derivative [Ru(II)(κ-N(5)-bpy2PYMe)(H2O)](2+) (2(2+)) were synthesized and characterized by experimental and computational methods. In MeOH, 1(+) exists as two isomers in different proportions, cis (...
Article
Three distinct functionalisation strategies have been applied to the in,in-[{Ru(II) (trpy)}2 (μ-bpp)(H2 O)2 ](3+) (trpy=2,2':6',2''-terpyridine, bpp=bis(pyridine)pyrazolate) water-oxidation catalyst framework to form new derivatives that can adsorb onto titania substrates. Modifications included the addition of sulfonate, carboxylate, and phosphona...
Article
Hydrogen release from the splitting of water by simply using sunlight as the only energy source is an old human dream that could finally become a reality. This process involves both the reduction and oxidation of water into hydrogen and oxygen, respectively. While the first process has been fairly overcome, the conversion of water into oxygen has b...
Article
A new bis-facial dinuclear ruthenium complex, {[Ru(II)(bpy)]2(μ-bimp)(μ-Cl)}(2+), 2(2+), containing a hexadentate pyrazolate-bridging ligand (Hbimp) and bpy as auxiliary ligands has been synthesized and fully characterized in solution by spectrometric, spectroscopic, and electrochemical techniques. The new compound has been tested with regard to it...
Article
Three dinucleating Ru-Cl complexes containing the hexadentate dinucleating ligand [1,1'-(4-methyl-1H-pyrazole-3,5-diyl)bis(1-(pyridin-2-yl)ethanol)] (Hpbl) and the meridional 2,2':6',2″-terpyridine ligand (trpy) have been prepared and isolated. These complexes include {[RuCl(trpy)]2(μ-pbl-κ-N(3)O)}(+) (1a(+)), {[RuCl(trpy)]2(μ-Hpbl-κ-N(3)O)}(2+) (1...
Article
A new tetradentate dinucleating ligand [1,1'-(4-methyl-1H-pyrazole-3,5-diyl)bis(1-(pyridin-2-yl)ethanol)] (Hpbl) containing an O/N mixed donor set of atoms has been synthesized and characterized by analytical and spectroscopic techniques. The Ru-Cl and Ru-aqua complexes containing this ligand of general formula [Ru(II)X(Hpbl)(trpy)](y+) (trpy = 2,2...
Chapter
The replacement of fossil fuels by hydrogen generated by water splitting with sunlight is a very attractive solution to today's energy problem. In order to develop a practical technology based on these elements, robust and efficient water oxidation catalysts need to be developed. The molecular complexity of this process is high and thus tailored tr...
Article
One clean alternative to fossil fuels would be to split water using sunlight. However, to achieve this goal, researchers still need to fully understand and control several key chemical reactions. One of them is the catalytic oxidation of water to molecular oxygen, which also occurs at the oxygen evolving center of photosystem II in green plants and...
Article
A new family of Ru-Hbpp dinuclear complexes contg. the pos. charged terpyridine deriv. ligand 4-(-p-(pyridin-1-ylmethyl)phenyl)-2,2':6',2'-terpyridine of general formula {[Ru(L1+)]2(μ-bpp)(L-L)}m+ (L-L = μ-Cl, μ-acetato, or (H2O)2; m = 4 or 5) have been synthesized and fully characterized, both in the solid state (X-ray diffraction) and in soln. (1...
Chapter
The replacement of fossil fuels by hydrogen generated by water splitting with sunlight is a very attractive solution to today's energy problem. In order to develop a practical technology based on these elements, robust and efficient water oxidation catalysts (WOCs) need to be developed. The molecular complexity involved in water oxidation is such t...
Article
Full-text available
Much attention has been paid to heterocyclic N-containing ligands due to their applicability as bridging ligands in the synthesis of redox active dinuclear metal complexes. With this aim, we report the synthesis and full characterization of a novel phthalazine-triazole ligand (1,4-bis(1-methyl-1H-1,2,3-triazol-4-yl)phthalazine). Moreover, we show t...
Article
A large diversity of transition-metal complexes bearing the dinucleating tetra-N-dentate ligand 3,5-bis(2-pyridyl)pyrazole (Hbpp) is described. Hbpp is a compartamental ligand and can allow the formation of both mononuclear and dinuclear complexes bridged by the pyrazolate unit of the Hbpp. Furthermore, a slightly related ligand even allows the pre...
Article
The preparation of three new octadentate tetranucleating ligands made out of two Ru-Hbpp-based units [where Hbpp is 3,5(bispyridyl)pyrazole], linked by a xylyl group attached at the pyrazolate moiety, of general formula (Hbpp) 2-u-xyl (u = p, m, or o) is reported, together with its dinucleating counterpart substituted at the same position with a be...
Article
Two new emissive chemosensors based on coumarin-343 have been synthesized, and their photophysical studies conducted. L1 contains an aza-thio macrocycle ring as the chelating unit, which has great affinity for soft metal ions, whereas L2 is a parent species without macrocyclic unit. Both compounds were separated by column chromatography and charact...
Article
Two organic ligands based on bis-(2-pyridyl)pyrazole (Hbpp) functionalized with a para-methylenebenzoic acid (Hbpp-R(a)) or its ester derivative (Hbpp-R(e)) were prepared and characterized. The ester-functionalized ligand was then used to prepare a series of related dinuclear ruthenium complexes of general formula [Ru(II)2(L-L)(bpp-R(n))(trpy)2](m+...
Article
Wasseroxidation: Ein guter Katalysator für die Umsetzung von Wasser zu Sauerstoff ist für die nachhaltige Umwandlung von Sonnenenergie essenziell. Die Schlüsselfaktoren für die Leistungsfähigkeit erfolgreicher molekularer Katalysatoren und die Notwendigkeit für ein katalytisches System auf Festkörperbasis werden erläutert, und die ersten Versuche,...
Article
During the past four years we have witnessed a revolution in the field of water-oxidation catalysis, in which well-defined molecules are opening up entirely new possibilities for the design of more rugged and efficient catalysts. This revolution has been stimulated by two factors: the urgent need for clean and renewable fuel and the intrinsic human...
Article
The main objective of this review is to give a general overview of the structure, electrochemistry (when available), and catalytic performance of the Ru complexes, which are capable of oxidizing water to molecular dioxygen, and to highlight their more relevant features. The description of the Ru catalysts is mainly divided into complexes that conta...
Article
The complexation properties toward Hg(II) of six macrocyclic ligands, 3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L1), 7-(9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L2), 7-(10-methyl-9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L3), 7,7'-[...
Article
The four anthracene-containing macrocycles 7-(9anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L1), 7-(10-methyl-9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L2), 7,7′-[9,10-anthracenediylbis(methylene)]bis-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-tri...
Article
The properties of Cu(II) and Co(II) complexes with oxygen- or nitrogen-containing macrocycles have been extensively studied; however, less attention has been paid to the study of complexes containing sulfur atoms in the first coordination sphere. Herein we present the interaction between these two metal ions and two macrocyclic ligands with N2S2 do...
Article
The complete halide series of Ni(II) complexes containing the tetradentate macrocyclic ligand 3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L), was fully characterized by X-ray diffraction. The fluoro, chloro, and bromo complexes are dinuclear species with formula [{Ni(L)}2(mu-X)2]2+ (X = halide), whereas only mononuclear speci...
Article
The new synthesized thiomacrocyclic ionophore 4-phenyl-4-sulfide-11-(1-oxodecyl)-1,7-dithia-11-aza-4-phosphacyclotetradecane has proven to form Langmuir and Langmuir-Blodgett (LB) films. This ionophore shows a large affinity for copper(II) ions. Thus, the influence of the subphase composition on the surface pressure-area isotherms has been studied....
Article
A new fluorescent device for detecting protons and metal ions, 11-(9-anthracenylmethyl)-1,4,7-trithia-11-azacyclotetradecane (L), has been synthesised. In addition, the photophysical properties of both the free and protonated species have been examined by absorption and fluorescence titrations of dichloromethane solutions of L with methanesulfonic...
Article
In its ionic form, copper is a potentially toxic substance, thus, there is a need for developing a sensor to detect low levels of copper in environmental samples.A new capacitive biosensor sensitive to copper(II) was developed. This was achieved by the deposition of the new synthesized ionophore 4‐phenyl‐4‐sulfide‐11‐(1‐oxodecyl)‐1,7‐dithia‐11‐aza‐...
Article
A novel dithiomacrocycle (4-phenyl-11-decanoyl-1,7-dithia-11-azacyclotetradecane-4-sulfide) has been synthesized and used as a new ionophore in order to develop a plasticized poly(vinyl chloride) membrane for copper ion detection. The performance of these novel planar copper(II)-selective potentiometric microelectrodes was investigated using potent...
Article
The new macrocycles 4-phenyl-11-(1-oxodecyl)-1,7-dithia-11-aza-4-phosphacyclotetradecane (III) and 4-phenyl-4-sulfide-11-(1-oxodecyl)-1,7-dithia-11-aza-4-phosphacyclotetradecane (IV) have been synthesised and characterised. Through their use as ionophore in an all-solid state poly(vinylchloride) matrix membrane electrode, the ability of IV as catio...
Article
The novel pyridine-containing 14-membered macrocycle 3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L), which contains an N2S2 donor set, was synthesized, and its protonation behavior was studied by absorption titration with CH3SO3H. The reaction of L with Pd(II) was studied spectroscopically, and the square-planar complex [Pd(L...
Article
A new 2,2′-bipyridine-based phosphadithiamacrocycle: 3,3′-5-phenyl-2,8-dithia-5-phospha[9]-2,2′-bipyridinophane (L) has been synthesized by reacting 6,6′-bis(bromomethyl)-2,2′-bipyridine and dilithium 3-phenyl-3-phosphapenta-1,5-dithiolate. The phosphoryl derivative: 3,3′-5-oxo-5-phenyl-2,8-dithia-5-phospha[9]-2,2′-bipyridinophane (Lox) synthesized...
Article
Three new fluorescent devices for protons and metal ions have been synthesized and characterized, and their photophysical properties have been explored; these are the macrocycles 7-(9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]heptadeca-1(17),13,15-triene (L1) and 7-(10-methyl-9-anthracenylmethyl)-3,11-dithia-7,17-diazabicyclo[11.3.1]h...
Article
The macrocycles L1–L3 having N2S2O-, N2S2-, and N2S3-donor sets, respectively, and incorporating the 1,10-phenanthroline unit interact in EtOH and MeCN solutions with CuII to give 1:1 [M(L)]2+ complex species. The compounds [Cu(L1)(ClO4)]ClO4 (1), [Cu(L2)(ClO4)]ClO4 · 12H2O (2) and [Cu(L3)](ClO4)2 (3) were isolated at the solid state and the first...
Conference Paper
We describe the characterization of a novel copper-sensitive polymeric membrane and the electrochemical response of electrolyte-membrane-insulator-semiconductor structures. The membrane has shown a Nernstian response towards Cu(II) ions in electrodes.
Article
The new meta- and para-xylyl-based phosphadithiamacrocycles 6-phenyl-6-phospha-3,9-dithiabicyclo[9,3,1]pentadeca-1(15),12,14-triene (L2) and 6-phenyl-6-phospha-3,9-dithiabicyclo[9,2,2]pentadeca-1(13),12,14-triene (L3) have been synthesised and characterised. The reactivity of these ligands and the previously described ortho-xylyl macrocycle 6-pheny...
Article
The electrochemical behaviour of silver(I) at carbon paste electrodes (CPE) modified by 2,5,8-trithia[9]-m-cyclophane (TTCP) were studied voltammetrically in aqueous solutions of sodium perchlorate. Up to three cathodic peaks and anodic currents were observed in the cyclic voltammograms at the modified CPE, in contrast to the voltammograms of Ag+ a...
Article
The substitution reactions of the co-ordinated acetonitrile molecule in [NiL(MeCN)][BF4]2 1 (L = 2,5,8-trithia[9](2,9)-1,10-phenanthrolinophane) with different anionic and neutral ligands L′ [Cl–, Br–, I–, CN–, SCN–, H2O, pyridine (py), aniline (an), 1,3-dimethyl-4-imidazoline-2-thione (etu) or 1,3-dimethyl-4-imidazoline-2-selone (eseu)] have been...
Article
The reactivity of the phosphomacrocycle 6-phenyl-15-aza-6-phospha-3,9-dithiabicyclo[9,3,1]pentadeca-1(15), 11,13-triene (L) toward different Ni(II) salts has been studied. The reaction of L with 1 molar equiv of Ni(II) perchlorate in acetonitrile solution gives the complex [Ni(L)(CH(3)CN)(2)](ClO(4))(2) (1), which crystallizes in the monoclinic spa...
Article
Two calix[4]arenebiscrown-6 derivatives in the 1,3-alternate conformation were tested as caesium-selective ionophores in poly(vinyl) chloride (PVC) membrane electrodes. The ionophores were 1,3-calix[4]biscrown-6 (BC6) and 1,3-calix[4]bisnaphthylcrown-6 (BC6N). PVC membranes plasticised with o-nitrophenyl octyl ether and without lipophilic salt addi...
Article
Ligands LX of the type NS2 with S-aryl and S-alkyl substituents which incorporate the unit 2,6-bis(thiomethyl)pyridine are produced. Their reaction with [RuCl2(PPh3)3] and [RuCl2(DMSO)4] produces the first reported Ru(II)/NS2 complexes. They present the general formulas [RuCl2(LX)L‘], where L‘ = PPh3 or DMSO. Several isomers are possible; however,...
Article
A new phosphadithiamacrocycle has been synthesized and used as neutral carrier in ion-selective PVC membranes. These membranes have been applied to the development of perchlorate-selective MEMFETs and ISEs. Both devices have shown Nernstian response and a wide working pH range. The response and selectivity found for perchlorate ions is better than...
Article
A new pyridine-based macrocycle 6-phenyl-15-6-phospa-3,9-dithiabicyclol[9,3,1]pentadeca-1(15),11,13-triene (L), containing the NS2P donor set, was prepared and characterised. The reaction of L with CoCl2 in acetonitrile yielded the double complex salt [Co(Lox)2][CoCl3(Lox)]2 where the phosphine groups of the ligands L are in the phosphine-oxide for...
Article
A new pyridine-based macrocycle 6-phenyl-15-aza-6-phospha-3,9-dithiabicyclo[9,3,1]pentadeca-1(15),11,13-triene (L), containing the NS2P donor set, was prepared and characterised. The reaction of L with CoCl2 in acetonitrile yielded the double complex salt [Co(Lox)2] [CoCl3(Lox)]2 where the phosphine groups of the ligands L are in their phosphine-ox...
Article
The new saturated 14-membered P2S2 macrocycle 1,8-diphenyl-1,8-diphospha-4,12-dithiacyclot (14P(2)S(2)) has been synthesized and the cis- and transisomers have been isolated and characterized. The complexing behavior of these two isomers toward Ni(II) has been tested, and the crystal structure of the [Ni(trans-14P(2)S(2))(CH3CH)] (ClO4)(2) complex...
Article
The title molecule, 6-phenyl-6-phospha-3,9-dithiabicyclo[9.4.0]pentadeca-1(11),12,14-triene 6-oxide, C18H21OPS2, has an exodentate conformation with the S and P atoms oriented away from the center of the macrocyclic cavity.
Article
The synthesis of the macrocycle 2,5,8,17,20,23-hexathia[9,9]-p-cyclophane (p-S6) and its dicopper(I) complex [Cu2(p-[S6)CH3CN)2(BF4)2 are reported. The single crystal X-ray structure of the complex was determined and compared with related compounds. The structure shows a centrosymmetric cation with two tetrahedral copper(I) centres each coordinated...
Article
The compounds [HgL1(NO3)χ] (L1 = 6-oxa-3,9-dithiabicyclo[9,3,1] pentadeca-l(15),11,13-triene) (1), [AgL2(NO3)}χ] (L2 = (1,3-bis(phenylthio)methyl) benzene) (2), [HgL3Cl22] and [CuL3Cl}χ] (L3 = (1,3-Bis(ethylthio)methyl)benzene) (3) and (4) have been synthesized and their structures determined by X-ray crystallography. Compounds (1) and (2) have lin...
Article
The reactivity of [Pd(CH3CN)2)Cl2] toward the ligands 1,3-bis(ethylthiomethyl)benzene (HL1), 1,3-bis(benzylthiomethyl)benzene HL2), 1,3-bis(phenylthiomethyl) benzene (HL3) and dimethyl 2,2′-[1,3-phenylenebis(methylthio)]-dibenzoate (HL4) has been investigated. In all cases the reaction of the palladium(II) salt with the corresponding ligand in acet...
Article
A new dithiamacrocycle incorporating a phosphine donor group (I) has been synthesized and tested as neutral carrier in PVC membranes. ClO−4-selective CHEMFET and ISE devices based on these plasticized membranes have been developed. Both devices have shown Nernstian response and a wide working pH range. Most common anions, except BF−4, do not cause...
Article
A doubly complex salt containing the atypical non-planar CuI dimeric anion [Cu2Cl4]2− and a CuII containing macrocyclic cation has been synthesized starting from CuCl2·2H2O and a new N2S2 type macrocycle 7,9-diaza-3,14-dithiatetracycle [15,4,0,04,5,013,14]nonacosa-1(17),18,20,4(22),23,25,13(26),27,29-nonaene. The structure of the complex was determ...
Article
The title molecule, C12H16OS2, is partially disordered with the O and H atoms of the -CH2-O-CH2-group occupying two positions. The molecule assumes C-2 symmetry and the twofold axis located is located midway through the triene group and across the two partially occupied O-atom positions.
Article
The title molecule, C26H26O4S2, assumes C-2 symmetry with two C atoms and two H atoms of the central phenyl ring located on the twofold axis. The S atoms are synplanar with the benzene moiety, so the observed geometry is suitable for CS2 coordination. The o-(ethoxycarbonyl)phenylthiomethyl moiety is approximately planar and its orientation is almos...
Article
In the title compound, [Hg(NO3)(C12H16S3)-(C18H15P)]NO3].H2O.0.5C(2)H(6)O, the coordination sphere of the Hg2+ ion is a distorted trigonal bipyramid defined by the three S atoms of the trithiamacrocycle, the P atom of the triphenylphosphine group and an O atom of one nitrate group.
Article
In the title compound, C19H15N3O4S2, the pyridine ring, one thiomethyl group and the adjoining nitrobenzene group are approximately in the same plane. The C-C-S-C torsion angle is - 179.9 (3)degrees. The C atom of the second thiomethyl group is also in this plane, but the S(2) atom is anti to the plane resulting in a C-C-S-C torsion angle of 67.7 (...
Article
In the title compound, [CuCl2(C15H13N5S2)].CH3OH, the Cu2+ ion has square-pyramidal coordination geometry. The basal plane of the pyramid is formed by two Cl- ions, one pyridine N atom and one pyrimidine N atom. The fifth coordination site is occupied by the S atom of a thiomethyl group. The methanol molecule occupies an otherwise empty space in th...
Article
Polyvinyl chloride (PVC) membrane all solid-state electrodes based on the thioethers diethyl sulfide, ethyl phenyl sulfide or diphenyl sulfide have been developed exhibiting high selectivity for silver(I), with low detection limits and short response times.
Article
The co-ordination abilities of 2,5,8-trithia[9]-o-benzenophane (L1) are compared with several S3-crown macrocycles by structural, spectral and electrochemical techniques. Ligand L1 shows intermediate behaviour relative to the well known ligands 1,4,7-trithiacyclononane and 1,5,9-trithiacyclododecane. The synthesis and characterization of CuII, CuI,...
Article
The reaction of 2,6-bis(o-methoxycarbonylphenylthiomethyl)pyridine with PdCl2 or Ru(Me2SO)6(BF4)2 in methanol produces a tridentate non-symmetrical ligand incorporating the benzothiophene fragment.
Article
Three new NS2 aza-dithia S-aryl ligands have been synthesized and their Cu(II) and Cu(I) complexes reported. The ligand donor properties of these ligands are compared with similar NS2 S-alkyl molecules. The NS2 S-aryl ligands are softer and display a larger pi-acid character than the corresponding NS2 S-alkyl compounds. The molecular structure of [...
Article
Some polythiamacrocycles having aromatic rings as macrocyclic components have been synthesised and tested as sensors in solid-state electrodes. High selectivity for Ag+, even over that for Hg2+, and excellent electrode properties have been found.
Article
The reactions of exo-dithio-7,8-dicarba-nido-undecaborate derivatives with Ni(II) and Pd(II) chlorides and phosphine chloride complexes are presented and discussed. Three different stoichiometries have been observed, [MLCl2]-, [M2L2Cl2], and [ML2]. The capacity of these ligands to act as tricoordinating agents through the two sulfur atoms and a B(3...
Article
Three pyridine-based, macrocyclic, oxygen-, nitrogen-, and sulfur-containing ligands, 15-aza-6-oxa-3,9-dithiabicyclo[9.3.1]pentadeca-1(15),11,13-triene, 18-aza-6,9-dioxa-3,12-dithiabicyclo[12.3.1]octadeca-1(18),14,16-triene, and 21-aza-6,9,12-trioxa-3,15-dithiabicyclo[15.3.1]heneicosa-1(21),17,19-triene, are reported. The molecular and crystal stru...
Article
An unusual β-diketone coordination mode is reported here for the first time. A dinuclear Mn(III) compound is obtained by reaction, in open atmosphere and basic medium, of a mononuclear, β- diketone like complex of the trinucleating ligand 1,3-bis(2-hydroxyphenyl)-1,3-propanedione with a Mn(II) salt. The aforementioned molecule is a potentially trin...
Article
The reaction of 1,2-dithiol-o-carborane, under basic conditions, with appropriate organic dihalogenated compounds results in the formation of macrocycles incorporating 7,8-dicarba-nido-undecaborate or 1,2- dicarba-closo-dodecaborane units. The synthesis of some non-cyclic dicarborane compounds containing only one sulfur per cage directly bonded to...