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[Condensation with hydrazine-N,N'-dicarboxylic acid diamidine. 4. Parent compounds and ethyl derivatives of 3-amino-s-triazolo(4,3-a)pyrimidines and 2-amino-s-- triazolo(1,5-a)pyrimidines]. 1970

A Kreutzberger

UI MeSH Term Description Entries
D011743 Pyrimidines A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.
D003460 Crystallization The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Crystalline Polymorphs,Polymorphism, Crystallization,Crystal Growth,Polymorphic Crystals,Crystal, Polymorphic,Crystalline Polymorph,Crystallization Polymorphism,Crystallization Polymorphisms,Crystals, Polymorphic,Growth, Crystal,Polymorph, Crystalline,Polymorphic Crystal,Polymorphisms, Crystallization,Polymorphs, Crystalline
D003998 Dicarboxylic Acids Acyclic acids that contain two carboxyl groups and have the formula HO2C-R-CO2H, where R may be an aromatic or aliphatic group. Acids, Dicarboxylic
D006834 Hydrazines Substituted derivatives of hydrazine (formula H2N-NH2). Hydrazide
D000578 Amidines Derivatives of oxoacids RnE(
D013053 Spectrophotometry The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.
D014230 Triazoles Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3. Triazole
D014508 Urea A compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids. Basodexan,Carbamide,Carmol

Related Publications

A Kreutzberger
[1,5-Dioxo-4-aryl-2,4,5-tetrahydro-s-triazolo[4,3-a]-quinazolines and 1-ethoxycarbonylmethyl-4-aryl-s-triazolo[4,3-a]-quinazolones-(5). 3. Synthesis of compounds with an aminoguanidine structure].
January 1978, Die Pharmazie,
A Kreutzberger
[Thin layer chromatographic detection of s-triazolo[1,5-a]pyrimidines and2-amino-1,2,4-triazole derivatives].
January 1976, Die Pharmazie,
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[Synthesis of compounds with aminoguanidine structure. 5. 1-Methyl-4-aryl-s-triazolo[4,3-a](5)quinazolone, 1,4-diaryl-s-triazolo[4,3-a](5)quinazolone and 4-aryltetrazolo[1,5-a](5)quinazolone].
August 1978, Die Pharmazie,
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[Synthesis of new s-triazolo (1,5-a)pyrimidines].
January 1978, Die Pharmazie,
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STUDIES ON AZAINDOLIZINE COMPOUNDS. XIV. TRANSETHERIFICATION IN S-TRIAZOLO(1,5-A)PYRIMIDINES.
July 1963, Chemical & pharmaceutical bulletin,
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6-(Substituted-amino)-4H-s-triazolo[4,3-a][1,4]benzodiazepines and 4-(substituted-amino)-6H-s-triazolo[4,3-a][1,4]benzodiazepines with potential antianxiety activity.
August 1980, Journal of medicinal chemistry,
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Diversity Oriented Synthesis of Polycyclic Heterocycles through the Condensation of 2-Amino[1,2,4]triazolo[1,5-a]pyrimidines with 1,3-Diketones.
November 2015, The Journal of organic chemistry,
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Reaction of n-aminopyridinium derivatives. 3. Synthesis of s-triazolo [1,5-a]-pyridine ring.
May 1966, Chemical & pharmaceutical bulletin,
A Kreutzberger
[Synthesis of compounds with aminoguanidine structure. 4. 4-Aryl-s-triazolo[4,3-a].(5)quinazoline].
July 1978, Die Pharmazie,
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Synthesis and electrophilic substitutions of novel pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidines.
August 2011, Molecules (Basel, Switzerland),
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