In vitro cytotoxicity and antibacterial activity of [Pd(AMTTO)(PPh3)2]: a novel promising palladium(ii) complex

The synthesis and characterization of a novel palladium complex based on a bioactive 3-mercapto-1,2,4-triazine derivative have been investigated. The Pd(ii) complex showed excellent anticancer and antibacterial activity.

Unprecedented palladium(ii) complex containing dipodal 1,3,4-thiadiazole derivatives: synthesis, structure, and biological and thermal investigations

The synthesis and characterization of a novel palladium complex based on a bioactive 1,3,4-thiadiazole derivative has been investigated. This novel complex showed excellent antibacterial activity and its thermolysis resulted in PdO nanoparticles.

Regeneration of Carbonyl Compounds from Oximes by Chromium Trioxide Supported onto Hzsm-5 Zeolite under Microwave Irradiation in Solvent-Free Conditions

A new method for the direct conversion of oximes into aldehydes and ketones by treatment with chromium trioxide supported onto HZSM-5 zeolite under microwave irradiation in solventless system is described.

Potassium Ferrate Supported onto Montmorillonite K-10: A Mild, Efficient and Inexpensive Reagent for Oxidative Deprotection of Trimethylsilyl Ethers in Non-Aqueous Conditions

Potassium ferrate supported onto montmorillonite K-10 was found to deprotect trimethylsilyl ethers oxidatively to the corresponding carbonyl compounds in non-aqueous conditions.

HNO3/Silica Gel supported CAN; Oxidative Deprotection of Benzylic Tetrahydropyranyl Ethers under Solvent-free Conditions using Microwaves

Benzylic tetrahydropyranyl ethers are rapidly and selectively oxidised to the corresponding carbonyl compounds by HNO3/ silica gel supported cerium ammonium nitrate (CAN) under solvent free conditions using microwave.

Regioselective Synthesis of Quinolone Antibacterials via Borate Complex of Quinolone Carboxylic Acid

1-substituted 7-chloro-6-fluoro-4-oxo-1,2-dihydroquinoline-3-carboxylic acids were converted to borate complexes. These compounds were treated with piperazine in presence of triethylamine to afford ciprofloxacin and norfloxacin in high yields.

Synthesis and Crystal Structure of Schiff Bases Based on AMTTO (AMTTO = 4-Amino-6-methyl-3-thio-3,4-dihydro-1,2,4-triazin- 5(2H)-one)

Reaction of 4-amino-6-methyl-3-thio-3,4-dihydro-1,2,4-triazin-5(2H)-one (1) with 2-methoxybenzaldehyde, 4-methoxybenzaldehyde, 2-pyridinecarbaldehyde, and 2,4-dichlorobenzaldehyde under classical heating and microwave irradiation in a solventfree system led to the corresponding imines (Schiff bases) 2-5. All synthesized compounds have been characterized by IR and NMR spectroscopy, mass spectrometry and by X-ray diffraction studies.

Montmorillonite K-10 Catalyzed Knoevenagel Condensation under Microwave Irradiation in Solventless System

Montmorillonite K-10 catalyzed efficiently the Knoevenagel condensation of carbonyl compounds with malonitrile and ethylcyanoacetate in dry media under microwave irradiation.

μ2-Chlorokomplexe von Succinimid und N-Chlorsuccinimid. Die Kristallstrukturen von PPh4[Cl(Succinimid)2], PPh4[[Cl(N-Cl-Succinimid)2] und N-Chlorphthalimid / μ2-Chloro Complexes of Succinimide and N-Chlorosuccinimide. The Crystal Structures of PPh4[Cl(Succinimide)2], PPh4[Cl(N-Cl-Succinimide)2] and N-Chlorophthalimide

The donor-acceptor complexes PPh4[Cl(succinimide)2] and PPh4[Cl(N-chlorosuccinimide)2] have been prepared by reactions of PPh4Cl with succinimide and N-chlorosuccinimide, re­ spectively. in acetonitrile solutions. The complexes have been characterized by IR spectros­ copy and by crystal structure determinations. The crystal structure of N-chlorophthalimide has also been solved.

Direct Oxidative Deprotection of Trimethylsilyl and Tetrahydropyranyl Ethers Using Alumina-Supported lodobenzene Diacetate under Non-Aqueous Conditions

Primary and secondary trimethylsilyl and tetrahydropyranyl ethers are converted to their carbonyl compounds efficiently using alumina-supported iodobenzene diacetate.

Kristallstruktur von [PMePh3] [Cl - 1 - C≡C - Ph]/Crystal Structure of [PMePh3] [Cl - I - C≡C - Ph]

The donor-acceptor complex [Cl-I-C≡C-Ph]- has been prepared as the methyl-triphenyl-phosphonium salt from 1-iodo-2-phenylacetylene and [PMePh3]N3 in CH2Cl2 solution. It forms co­lourless single crystals which were characterized by a crystal structure determination. Space group Pbca, Z = 8, lattice dimensions at -80 °C: a = 1047.1(1), b = 1700.3(1), c = 2793.2(1) pm, R = 0.035. The chloride ion is coordinated at the io­dine atom of the 1-iodo-2-phenylacetylene molecule in a nearly linear arrangement [CI-I-C≡C-Ph]- with bond lengths I-Cl of 302.4 pm and I-C of 203.1(5) pm.

Iodbenzol als Lewis-Säure: Synthese und Kristallstrukturen von PPh4[Cl-I-C6H5] und PPh4[Br-I-C6H5] / Iodobenzene as Lewis-Acid: Synthesis and Crystal Structures of PPh4[Cl-I-C6H5] and PPh4[Br-I-C6H 5]

The donor-acceptor complexes [X-I-C6H5]− with X− = Cl− and Br− have been prepared as tetraphenylphosphonium salts from iodobenzene and PPh4X in acetonitrile solutions. They form colourless single crystals, which were characterized by crystal structure determinations.

PPh4[Cl-I-C6H5]: Space group P21/c, Z = 4. Lattice dimensions at -70°C: a = 1301.1(5), b= 1457.0(5), c = 1478.8(5) pm, β = 114.17(3)°.

PPh4[Br-I-C6H5]: Space group P21/n, Z = 4. Lattice dimensions at 20°C: a = 1354.9(1), b= 1480.1(2), c = 1375.5(1) pm, β = 106.13(2)°.

The halide ions are coordinate at the iodine atom of the iodobenzene molecule in a linear arrangement [X-I-C6H5]− with bond lengths Cl-I of 327.9 and Br-I of 347.2 pm.

4-Methyl-N-[(E)-4-methyl-1-(4-methyl-phenyl-sulfon-yl)-1,2-dihydropyridin-2-yl-idene]benzene-sulfonamide

The reaction of 2-(amino­meth­yl)pyridine and 4-toluene­sulfonyl chloride in CH₂Cl₂ at pH 8 led to the title compound, C₂₀H₂₀N₂O₄S₂. The aromatic rings are almost perpendicular to each other and the dihedral angles between the aromatic ring planes are 74.33 (9) (central pyridine versus benzene ring of the tosyl group bonded to the imine functionality), 73.77 (6) (pyridine versus benzene ring of the tosyl group bonded to pyridinic N atom) and 79.83 (9)° (benzene rings of tosyl groups). In the crystal structure, inter­molecular aromatic π–π stacking inter­actions [centroid–centroid separation = 3.6274 (14) Å] help to consolidate the packing.