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Reactions of 2-Alkoxy-4-oxo-5,6-benzo- 1,3,2-dioxaphosphorinanes with Imines. Synthesis and Steric Structure of 6,7-Benzo-1,4,2-oxazaphosphepine Derivatives
2-Alkoxy-4-oxo-5,6-benzo-1,3,2-dioxaphosphorinanes containing an electron-withdrawing fluorinated exocyclic substituent at the P atom react with...
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Fragmentation of Organic Ions and Interpretation of EI Mass Spectra
The following chapter introduces one of the key disciplines of organic mass spectrometry: the common fragmentation pathways of organic ions and the...
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Penta-coordinate phosphorous compounds and biochemistry
The relationship between penta-coordinate phosphorus compounds and biochemistry is briefly reviewed. Some interesting phenomena such as peptide...
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Development and testing of a de novo drug-design algorithm
In this article we present an implementation of a de novo drug-design algorithm. The algorithm starts with a molecule placed in the binding site of a...
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Complexing of Cu(II) with N,N'-Diphenylthiooxamide and N,N'-Diphenyldithiooxamide in a Gelatin-Immobilized Cu2[Fe(CN)6] Matrix
A study was made of complexing in Cu(II)- N'N '-diphenylthiooxamide, Cu(II)- N'N '-di-phenyldithiooxamide systems in gelatin-immobilized Cu 2 [Fe(CN) 6 ]...
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Kinetics and Mechanism of Reaction between N-Polyfluorophenylcarbonimidoyl Dichlorides and Tertiary Amines in Acetonitrile
The reaction of N -polyfluorophenylcarbonimidoyl dichlorides with tertiary amines in acetonitrile afforded chloroamidines R 2 NC(Cl) = NAr F and alkyl...
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Single-electron oxidation and nucleophilicity of aminomethylated calix[4]resorcinarenes
The electrochemical oxidation of a number of aminomethylated calix[4]resorcinarenes (AMC) with different substituents at the nitrogen atom and the...
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Reaction in a Three-component System Tetrachloro-o-benzoquinone-Arylacetylene-Phosphorus Trichloride
Reaction in a three-component system tetrachloro- o -benzoquinone-arylacetylene-phosphorus trichloride was investigated with the use of NMR and IR...
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Heterogeneous and Homogeneous Catalysis by Metals and Transition Metal Complexes
The term catalysis was coined by Berzelius* in 1835, and catalysts are defined as substances which by their mere presence evoke chemical reactions...
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Benzyne-Zirconocene Reagents as Tools in Phosphorus Chemistry
The use of η 2-benzyne and η 2-phosphabenzyne zirconocene in phosphorus chemistry is reviewed. The...
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Higher 1,3,2-Diazaphosphacyclanes: V. Synthesis, Structure, and Chemical Features of 4,5;7,8-Dibenzo-1,3,2-diazaphosphocanes
A procedure was developed for preparing 4,5;7,8-dibenzo-1,3,2-diazaphosphocanes containing trivalent and pentavalent phosphorus atoms. The structure...
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Electrochemistry of Organophosphorus Compounds
Progress in electrochemistry of organophosphorus compounds is rewieved. Mechanisms of oxidation and reduction reactions under the conditions of...
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Trimethylene-bridged Tetraorganodistannoxanes {[Me3SiCH2(RCOO)Sn(CH2)3Sn(OOCR)CH2SiMe3]O}n (R = Ph, 2,4-Me2C6H3): Control of Structure by Variation of R
The synthesis of trimethylene-bridged carboxylate-substituted tetraorganodistannoxanes {[Me 3 SiCH 2 (RCOO)Sn(CH 2 ) 3 Sn(OOCR)CH 2 SiMe 3 ]O} n (1, R = Ph; 2, R...
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Enantioselective Hydrosilylation by Chiral Pd Based Homogeneous Catalysts with First-Principles and Combined QM/MM Molecular Dynamics Simulations
The enantioselective hydrosilylation of styrene catalyzed by Pd0 species generated in situ from dichloro{1-{(R)-1-[(S) 2 (diphenylphosphino- κP)...
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Heteropoly acids of the Keggin type with N-substituted β-amminoethylphosphonic acids as coordinate center
Organophosphorus-heteropolytungstic acids of 1: 12 of P/W ratio, with N-substituted 2-amminoethylphosphonic acids R 2 R’N + CH 2 CH 2 PO 3 H − (R = R’ = H; R′ =...
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Polymers from Renewable Resources
The current utilization of natural resources cannot be sustained forever. Most of the fuel utilized in our societies comes from fossil fuel, such as...
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Structural Studies of Novel Coordination Compounds Run in the Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
In this paper, selected results of the structural and theoretical studies of different types of coordination compounds synthesized in the Laboratory...
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Structural Chemistry of 1-Hydroxyethylidenediphosphonic Acid Complexes
The structural features of complexes of 1-hydroxyethylidenediphosphonic acid (HEDP) with different metals (geometric isomerism, dentate numbers and...
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Benzaldehyde N,N-Dimethylhydrazone in the Reaction with 4-Oxo-2-pentafluorophenoxy-5,6-benzo- 1,3,2-dioxaphosphorinane. Preparation and Spatial Structure of 4-Dimethylamino-2,5-dioxo-2-pentafluorophenoxy-3-phenyldihydro-6,7-benzo-1,4,2-oxazaphosphepine
Benzaldehyde N,N -dimethylhydrazone with 4-oxo-2-pentafluorophenoxy-5,6-benzo-1,3,2-dioxaphosphorinane is capable to yield with high stereoselectivity...