Zobrazeno 1 - 10
of 14
pro vyhledávání: '"T. V. Zvolinskaya"'
Autor:
T. V. Zvolinskaya, I. I. Kuz'menko
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:963-970
Thermally stable, colored 8-aminotheophyllinates (betaine derivatives of theophylline) form unstable, colorless salts with strong mineral acids and undergo partial decomposition to a uric acid upon prolonged refluxing with concentrated base solution.
Publikováno v:
Chemistry of Heterocyclic Compounds. 31:853-858
A series of previously unknown phosphorylated carbamoyluracils have been synthesized by the interaction of aliphatic and aromatic isocyanates of phosphorus(III) and phosphorus (V) acids with uracil. The structures of these compounds have been confirm
Publikováno v:
ChemInform. 23
Publikováno v:
ChemInform. 24
The reaction of 8-bromo- and 8-dimethylaminotheophyllines with organic acid chlorides in the presence of tertiary aliphatic amines was investigated. The direction of the reactions depends on the nature of each of the three components. Depending on th
Publikováno v:
ChemInform. 24
Publikováno v:
ChemInform. 27
A series of previously unknown phosphorylated carbamoyluracils have been synthesized by the interaction of aliphatic and aromatic isocyanates of phosphorus(III) and phosphorus (V) acids with uracil. The structures of these compounds have been confirm
Publikováno v:
Chemistry of Heterocyclic Compounds. 28:1317-1322
The reaction of 8-bromo- and 8-dimethylaminotheophyllines with organic acid chlorides in the presence of tertiary aliphatic amines was investigated. The direction of the reactions depends on the nature of each of the three components. Depending on th
Publikováno v:
Chemistry of Heterocyclic Compounds. 27:1239-1242
A new method for the synthesis of 8-pyridiniotheophyllinates by the action of pyridine or alkylpyridines on theophylline or 8-bromotheophylline in the presence of oxidizing agents was developed. The oxidation of 8-bromotheophylline gives the best res
Publikováno v:
Chemistry of Heterocyclic Compounds. 26:1285-1288
The reaction of 8-bromotheophylline with pyridine or alkylpyridines in the presence of electrophilic reagents proceeds with the formation of 8-pyridiniotheophyllinates. The possible mechanism of the reaction is discussed.
Autor:
I. I. Kuz'menko, T. V. Zvolinskaya
Publikováno v:
ChemInform. 32
Thermally stable, colored 8-aminotheophyllinates (betaine derivatives of theophylline) form unstable, colorless salts with strong mineral acids and undergo partial decomposition to a uric acid upon prolonged refluxing with concentrated base solution.