Post-synthetic modification using acid (HNO3) and base (NaOH) are utilised to synthesize hierarchical micro-mesoporous zeolites with different pore structure. To investigate structural change in materials, X-ray diffraction (XRD), Scanning electron microscope (SEM), Inductive coupled plasma-optical emission spectrometry (ICP-OES), 29Si and 27Al MAS NMR, and N2 adsorption-desorption isotherms techniques

A series of novel lanthanide β-diketonate coordination compounds containing the ancillary ligand bis(diphenylphosphino) oxide (dppeO2) have been synthesized, characterized, and studied spectroscopically. The compounds of formulas Ln(β-dik)3(dppeO2), where Ln: Eu and Gd and β-dik ligands as tta (Ln-1), btf (Ln-2), bzac (Ln-5) and tfac (Ln-4), and Ln2(β-dik)6(dppeO2) with ligand dbm (Ln-3) and fod (Ln-6)

Complexes of N-heterocyclic carbenes have become an irrefutable class of molecules for the researchers in the field of organocatalysis. They rank as one of the potent tools in organic chemistry, which have a wide range of uses in various commercially important processes. Palladium(II) mesoionic carbene (MIC) complexes embedded with PPh3 as an ancillary ligand appeared to be efficient catalysts for

In this study, we report a catalyst-free aminohalogenation process applied to vinylferrocene, employing N-halosuccinimides (NXS; X = Cl, Br, I) as dual nitrogen and halogen sources. This 1,2-diheterofunctionalization reaction takes place with complete regioselectivity, wherein the terminal carbon atom of the vinyl group selectively reacts with the electrophilic halogenating reagent, resulting in the

Cobalt(III) corroles are the most commonly studied types of metallocorroles, yet the details of their electronic structure, ground spin states and place of redox events are not always straightforward. Corroles are redox active, potentially non-innocent ligands, and it has been found through various experimental and computational techniques, that the innocent or non-innocent behavior is modulated by

In the present work, the solvent-deficient synthesis of the high-entropy rare-earth carbonate hydroxide RE(CO3)(OH) (RE = La, Ce, Pr, Nd, Sm, and Gd) and its thermal conversion into bixbyite-type sesquioxide RE2O3 are reported for the first time. The high-entropy rare earth carbonate hydroxide was prepared via mechanochemical reaction of the corresponding metal nitrate hydrates with ammonium hydrogen

MOFs (Metal organic frameworks) have diverse structures that present great potential for light capture and light conversion. Therefore, MOFs are widely used in the study of photocatalysis. However, there still are some challenges in photocatalytic organic conversion upon MOFs under mild conditions, such as poor light absorption performance. Here, we successfully synthesized a new Cd-connected two-dimensional

The article dealt with L2‒ (H2L= epindolidione=5,11-dihydroquinolino[3,2-b]quinoline-6,12-dione, a structural isomer of indigo dye) bridged {(acac)2RuIII}2(µ-L2‒) 1/2 (S=1, acac= acetylacetonate) and [{(bpy)2OsII}2(µ-L2‒)](ClO4)2 [3](ClO4)2/[(pap)2OsII}2(µ-L2‒)](ClO4)2 [4](ClO4)2 (S=0, bpy=2,2′-bipyridine, pap=2-phenylazopyridine). 1/2 and [3](ClO4)2/[4](ClO4)2 with a metal-metal separation of »7 Å

The orthorhombic phases LaB3.6O7 and PrB3.6O7 were obtained by high-pressure/high-temperature syntheses at 11 GPa and temperatures of 1130 °C (LaB3.6O7) as well as 850 °C (PrB3.6O7) using a modified Walker-type multianvil apparatus. The title compounds crystallize in the space group Pmn21 (no. 31) exhibiting a defective α-SrB4O7 structure variant with the unit cell parameters a = 10.4551(3) Å, b =

The reaction of ammonium acetate, [NH4][CH3OO], and tetra-methylammonium hydroxide, [N(CH3)4](OH), respectively, with (H5O2)[Cl3CSO3] in aqueous solution leads to the trichloromethanesulfonates (“trichlates”) [NH4][Cl3CSO3] (orthorhombic, Pnma, Z = 8, a = 2361.0(3), b = 996.1(1), c = 624.95(7) pm) and [N(CH3)4][Cl3CSO3] (orthorhombic, Pnma, Z = 4, a = 1020.59(9), b = 909.7(1), c = 1205.8(1) pm). Both

Enzyme mimic studies are driven by a variety of factors, including understanding the function of the active site, replicating enzyme activity, and constructing bio-inspired catalysts. In this study, we present a ferrocene-conjugated copper complex (FcTrp)Cu(bpy) that not only serves as a structural analog of Galactose oxidase (GOase) but also demonstrates impressive catalytic efficiency for alcohol

The reaction of trans-[Pt(DMSO)2MeCl] with 2-alkylsubstituted pyridines pyR affords a series of complexes of the type [Pt(pyR)(DMSO)MeCl]. These complexes are rare examples of organometallic square-planar complexes having four different ligands. Of the three possible geometric isomers, only the trans(N,S)-[Pt(pyR)(DMSO)MeCl] was observed in solution and isolated in the solid state. However, the lack

Ligand design is crucial for the design of robust and efficient molecular water oxidation catalysts (WOCs) based on metal complexes. Herein we report the water oxidation studies of a series of Ru WOCs bearing bipyridine dialkoxide ligands with different substituents. Combined with density functional theory (DFT) calculations, the proposed water oxidation mechanism is bimolecular coupling (I2M) of two

The combination of different donor moieties often results in unconventional coordination behavior. This contribution describes the synthesis of a new hybrid ligand, phosphanylferrocene amidine Ph2PfcN=CHNMe2 (1; fc = ferrocene-1,1¢-diyl), and its coordination behavior toward the light platinum metals. Reacting compound 1 with [PdCl2(MeCN)2] produced the chelate complex [PdCl2(1-κ2P,N)] and the bis(phosphane)

Based on previous experimental findings, a DFT study on the redox-induced rearrangement of a series of germa-, phospha- and borapyramidanes is presented. Upon stepwise two-electron reduction, these 5-vertex nido-clusters are predicted to form their respective monocyclic derivatives (germole diides, (tri)phospholides and borole diides) which are formally related to the cyclopentadienide anion. Hence

α-Functionalized phosphorus compounds are an important class of biologically relevant molecules. The synthesis of these compounds often proceeds through the hydrophosphorylation of a C=E bond, with the most well-known transformation being the Kabachnik-Fields reaction. The nature of the phosphorus reagent is an important aspect of the hydrophosphorylation reaction. The Kabachnik-Fields reaction uses

The synthesis and characterization of three new calix[4]arene ligands bearing two pendant acylhydrazone arms and some of their Cu2+ complexes, namely [Cu(L1-2H)(MeOH)] (3), [Cu(L1ꞌ-H)(Cl)(2-hydroxy-1-naphthaldehyde)] (4), [Cu2(L2-2H)2] (5) and [Cu4(L3-2H)2(OH)2(ClO4)2] (6) are described. The ligands are obtained by simple imine condensation reactions between calix[4]arene-1,3-bis-acyl-hydrazides and