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The thermal stability of two substituted thioamides
A derivatographic investigation was performed on the thermal behaviour of three thioamides and the nonisothermal kinetic parameters for the...
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Synthesis of substituted 1,3-thiazinium perchlorates
Substituted 1,3-thiazinium perchlorates were synthesized by the reaction of α-acetylenic ketones with thiobenzamide in acetic acid in the presence of...
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4-Acetyl-1-(R-benzylidene)-3-(5-nitro-2-furfuryl)thiosemicarbazides — Carriers of synthones for obtaining thiazole and triazole rings
The corresponding thiosemicarbazonium salts, which form 4-acetyl- and 2,4-di-acetyl-1-benzylidene-3-(5-nitro-2-furfuryl)thiosemicarbazides with...
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Ringschlußreaktionen von 2-Acyl-1-chlor-enaminen mit thioamidfunktionellen Verbindungen: Wahlweiser Zugang in die 1,3-Thiazin- und 1,3-Oxazin-Reihe
2-Acyl-1-chloro-enamines 2 react with thioureas to 2,6-diamino-1,3-thiazinium salts 3 , following the usual transformation mode of 1-heterosubstituted...
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Chiroptical detection. Novel possibilities of its application to enantiomers
Polarimetric and/or circular dichroic detection of enantiomers after liquid chromatography on optically active sorberts has been used for the...
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Reaction of methyl propiolate with thiosemicarbazones
Methyl propiolate reacts with thiosemicarbazones in methanol in the presence of triethylamine to give 2-benzylidene(thenylidene, or...
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Mass spectra of 4,5-disubstituted 1,2,3-thiadiazoles
The schemes of the fragmentation of 4-substituted 5-arylamino-1,2,3-thiadiazoles were established on the basis of electron-impact mass spectra and...
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Mononuclear Compounds 1
Compounds of the type 1LnRe are stable only at low temperatures. Compounds with ancillary ligands are more stable and some structures are well-known....
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Determination of organic group parameters (AOCl, AOBr, AOs) in water by means of ion-chromatographic detection
The control of water quality is often performed by analysis of organic group parameters, e.g., “Adsorbable Organic Halogen (AOX)”. The...
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OxO- and thioxo-1,3-thiazines (review)
Literature reports on the methods of synthesis, chemical properties, and tautomerism of oxo- and thioxo-1,3-thiazines have been summarized.
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Some applications of13CNMR spectroscopy in heterocyclic structure assignments
The usefulness of 13 C NMR spectral data in solving otherwise intractable structural problems in heterocyclic chemistry is illustrated with ring systems...
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Polymers Containing Polynuclear Cobalt and Iron Carbonyl Complexes
Organometallic polymers are of interest for a large variety of applications including catalysis, semiconductors, UV absorbers, antifouling agents....
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Complexation of Uncharged Molecules and Anions by Crown-Type Host Molecules
Definite complexes between various uncharged molecules are still relatively unexplored 1) although this type of complexation plays a fundamental role...
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Cyclization of N-alkylazinium cations with bifunctional nucleophiles. 11. Reactions of quinoxalinium salts with thioamides — Simple method for the synthesis of hydrogenated thiazolo[4,5-b]quinoxalines
Thioacetamides and thiobenzamides undergo cyclization with N-alkylquinoxalinium salts in the presence of bases to give...
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Gold(I) complexes of thioamides
Gold(I) forms linear [AuL 2 ]X complexes (X = Cl, Br, I or CIO 4 ) with thioacetamide and thiobenzamide, AuLX compounds with thiobenzamide (X = CI or Br),
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The mechanism of η(η5:η5-fulvalene)-di-μ-chloro-bis (η5-cyclopentadienyltitanium) formation in the system Cp2TiCl2 : LiAlH4 : Olefinic solvent
The reduction of Cp 2 TiCl 2 with LiAlH 4 in olefinic solvents at temperatures above 100° leads to the formation of µ-( η 5 : η 5 -fulvalene)-di-µ-chloro-bis(...