Results 11 to 20 of about 12,908,442 (282)

Water/Alkali-Catalyzed Reactions of Azides with 2‑Cyanothioacetamides. Eco-Friendly Synthesis of Monocyclic and Bicyclic 1,2,3-Thiadiazole-4-carbimidamides and 5‑Amino-1,2,3-triazole-4-carbothioamides

, 2019
The reactions of thioamides with azides in water were studied. It was reliably shown that the reaction of 2-cyanothioacetamides 1 with various types of azides 2 in water in the presence of alkali presents an efficient, general, one-step, atom-economic ...
Nikolai A. Beliaev (7461455), Lidia N. Dianova (3901567), Wim Dehaen (496141), Albert T. Lebedev (1778380), Vladimir G. Ilkin (7461461), Valeriy O. Filimonov (3901573), Natalia N. Volkova (7461458), Tetyana V. Beryozkina (3901576), Dmitrii Mazur (7461452), Vasiliy A. Bakulev (3043827)   +9 more
core   +4 more sources

Triazole-Modified Calix[4]crown as a Novel Fluorescent On−Off Switchable Chemosensor

, 2007
A novel fluorescent on−off switchable chemosensor 1 with two different types of cationic binding sites is synthesized, which is composed of a triazole-modified calix[4]crown in the 1,3-alternate conformation.
In-Hao Su (8660367), Annamalai Senthilvelan (8660370), Kai-Chi Chang (631297), Wen-Sheng Chung (1514311)   +3 more
core   +4 more sources

Synthesis of 1H-1,2,3-triazole-4-carbonitriles as building blocks for promising 2-(triazol-4-yl)-thieno[2,3-d]pyrimidine drug candidates

, 2021
A new synthetic route leading to functionalized 1H-1,2,3-triazole-4-carbonitriles has been developed. A set of 1-aryl-5-methyl-1H-1,2,3-triazole-4-carbonitriles was obtained in high yields from readily available starting 1H-1,2,3-triazole-4-carboxylic ...
Taras V. Sekh (11341646), Nazariy T. Pokhodylo (526405), Mykola D. Obushak (11341652), Olga Y. Shyyka (11341649)   +3 more
core   +1 more source

Structure and Magnetic Properties of the Spin Crossover Linear Trinuclear Complex [Fe3(furtrz)6(ptol)2(MeOH)4]·4(ptol)·4(MeOH) (furtrz: furanylidene-4H-1,2,4-triazol-4-amine ptol: p-tolylsulfonate) [PDF]

, 2016
The furan-functionalised 1,2,4-triazole ligand furanylidene-4H-1,2,4-triazol-4-amine (furtrz) has been incorporated into the trinuclear complex Fe3(furtrz)6(ptol)2(MeOH)4]·4(ptol)·4(MeOH) (ptol = p-tolylsulfonate) composed of μ1,2-triazole bridges ...
Kepert, C. J., Sciortino, N. F., Klein, Y. M., Neville, S. M., Housecroft, C. E.   +4 more
core   +1 more source

Synthesis and Ring-Chain Tautomerism of 1-(4-Ethoxyphenyl)-5-formyl-1H-1,2,3-triazole-4-carboxylic Acid: The First Representative of a 5-Formyl-1H-1,2,3-triazole-4-carboxylic Acids Series

Molbank, 2022
Synthesis of the first representative of a 5-formyl-1H-1,2,3-triazole-4-carboxylic acids series – 1-(4-ethoxyphenyl)-5-formyl-1H-1,2,3-triazole-4-carboxylic acid was performed.
Nazariy T. Pokhodylo, Mykola D. Obushak
doaj   +1 more source

Effect of 4-benzylidenamino-5-phenyl-4Н-1,2,4-triazole-3-thiones and salts of 2-(4-amino-5-phenyl-4Н-1,2,4-triazole-3-ylthio)acetic acid on central component of nociceptive system

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2016
Aim. To study the effect of 4-benzylideneamino-5-phenyl-4H-1,2,4-triazole-3-thiones and salts of 2-(4-amino-5-phenyl-4H-1,2,4-triazole-3-yltio)acetic acid on central component of nociceptive system on condition of thermal stimulation of limbs of rats ...
Ye. S. Pruhlo
doaj   +1 more source

The study of the optical activity of some S-derivatives 4-R-5-((((3-(pyridin-4-yl)-1H-1,2,4-triazole-5-yl)thio)methyl)-4H-1, 2,4-triazole-3-thiols

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2022
About half of the drugs currently produced are chiral compounds, and about 90 % of these compounds are sold as racemates, consisting of an equimolar mixture of two enantiomers.
Ye. O. Karpun, S. O. Borsuk, L. I. Kucherenko, V. V. Parchenko   +3 more
doaj   +1 more source

Synthesis of 1,4-Disubstituted Mono and Bis-triazolocarbo-acyclonucleoside Analogues of 9-(4-Hydroxybutyl)guanine by Cu(I)-Catalyzed Click Azide-Alkyne Cycloaddition [PDF]

, 2011
A series of novel mono-1,2,3-triazole and bis-1,2,3-triazole acyclonucleoside analogues of 9-(4-hydroxybutyl)guanine was prepared via copper(I)-catalyzed 1,3-dipolar cycloaddition of N-9 propargylpurine, N-1-propargylpyrimidines/as-triazine with the ...
Krim, Jamal, Taourirte, Mohamed, Engels, Joachim W., Moha Taourirte, Jamal Krim, Joachim W. Engels   +5 more
core   +1 more source

The search for new 4-amino-5-methyl-4H-1,2,4-triasole-3-thion derivatives with diuretic activity

Zaporožskij Medicinskij Žurnal, 2018
1,2,4-Triazole derivatives have been widely used in medical practice due to their wide spectrum of biological activities and low toxicity, as they have 1,2,4-triazole cycle in their structure.
T. V. Kravchenko
doaj   +1 more source

Corrosion mitigation of carbon steel using triazole Mannich base derivatives: Correlation of electrochemical studies with quantum chemical calculations

Arab Journal of Basic and Applied Sciences, 2023
The study investigated the corrosion-inhibitory properties of three synthetic triazole Mannich bases on C1018 carbon steel using various electrochemical techniques.
N. Phadke Swathi, Seranthimata Samshuddin, Talal A. Aljohani, Kedila Rasheeda, Vijaya D. P. Alva, Irshad Baig, Marwah Aljohani, Aeshah Hassan Alamri   +7 more
doaj   +1 more source