Results 81 to 90 of about 89,598 (163)

1,3-Dimethyl-5-methylsulfonyl-1H-pyrazolo[4,3-e][1,2,4]triazine

Acta Crystallographica Section E, 2010
In the title compound, C7H9N5O2S, the pyrazolo[4,3-e][1,2,4]triazine fused-ring system is essentially planar [maximum deviation = 0.0420 (3) Å].
Waldemar Wysocki, Zbigniew Karczmarzyk, Mariusz Mojzych   +2 more
doaj   +1 more source

Synthesis of chiral pyrazolo[4,3-e][1,2,4]triazine sulfonamides with tyrosinase and urease inhibitory activity

Journal of Enzyme Inhibition and Medicinal Chemistry, 2016
A new series of sulfonamide derivatives of pyrazolo[4,3-e][1,2,4]triazine with chiral amino group has been synthesized and characterized. The compounds were tested for their tyrosinase and urease inhibitory activity.
M. Mojzych, P. Tarasiuk, Katarzyna Kotwica-Mojzych, M. Rafiq, S. Seo, M. Nicewicz, E. Fornal   +6 more
semanticscholar   +1 more source

Determination of pKa of triazolo[5,1-c][1,2,4]triazines in non-aqueous media by potentiometric titration

Chimica Techno Acta
In this work, for the first time, an approach was suggested for determining the pKa of triazolo[5,1-c][1,2,4]triazine compounds in N,N-dimethylformamide using potentiometric titration.
Alexandra V. Ivoilova, Polina N. Mozharovskaia, Liya V. Mokrousova, Ivan A. Balin, Anton N. Tsmokalyuk, Roman A. Drokin, Irina M. Sapozhnikova, Vladimir L. Rusinov, Alla V. Ivanova, Alisa N. Kozitsina   +9 more
doaj   +1 more source

SYNTHESIS OF OXAZOLO [3, 2-b] 1, 2, 4- TRIAZINES A NOVEL HETEROCYCLIC SYSTEM [PDF]

Journal of Sciences, Islamic Republic of Iran, 1990
The synthesis of 6- methyl- 2- phenyl- 7H- oxazolo [3,2-b] 1,2,4-Triazine- 7-one (6, R=Ph) and its 2-P- bromophenyl analogue to the two members of a new heterocyclic system is ...
doaj  

Annelation of the 1,2,4-Triazine Core to 2,3-Benzodiazepine

Журнал органічної та фармацевтичної хімії
A one-pot, stepwise method for the annelation of the 1,2,4-triazine core to the seven-membered 2,3-benzodiazepine ring via the interaction of the corresponding 2,3-benzodiazepin-1-yl- or 2,3-benzodiazepin-4-ylhydrazines with α-ketoesters has been ...
Natalia M. Bohdan, Serhii I. Shuvakin, Diana S. Nechaieva, Sergii Yu. Suikov, Serhii L. Bohza   +4 more
doaj   +1 more source

An Energetic Triazolo-1,2,4-Triazine and its N-Oxide.

Angewandte Chemie, 2016
Davin G. Piercey, D. Chavez, B. Scott, Gregory H. Imler, D. Parrish   +4 more
semanticscholar   +1 more source

SYNTHESIS OF SELENAZOL0[3,2-b] [ 1,2,4] TRIAZINE AND SELENAZOLO [2,3-C] [I ,2,4] TRIAZINE [PDF]

Journal of Sciences, Islamic Republic of Iran, 1995
6-Methyl- 1,2,4-triazine-3-(2H)-selenone-5(4H)-one(l) reacts in the presence of base with phenacyl bromide to give a mixture of compounds (2) and (3). This mixture is dehydrated in the presence of H,SO, to give 3-phenyl-6 methyl-7H-selenazolo[3,2-b] [I ...
doaj  

Synthesis and Biological Evaluation of Pyrrolo[2,1‐f][1,2,4]triazine C‐Nucleosides with a Ribose, 2′‐Deoxyribose, and 2′,3′‐Dideoxyribose Sugar Moiety

ChemMedChem, 2018
Qingfeng Li, E. Lescrinier, Elisabetta Groaz, L. Persoons, D. Daelemans, P. Herdewijn, S. de Jonghe   +6 more
semanticscholar   +1 more source

5-Phenyl-3-[3-(5-phenyl-1,2,4-triazin-3-ylsulfanyl)propylsulfanyl]-1,2,4-triazine

Acta Crystallographica Section E Structure Reports Online, 2006
Li-Rong Wen, Jian-Xia Zhou, Peng Liu
openaire   +1 more source

Some of the next articles are maybe not open access.

Related searches:

Novel kojic acid-1,2,4-triazine hybrids as anti-tyrosinase agents: Synthesis, biological evaluation, mode of action, and anti-browning studies.

Food Chemistry, 2023
A class of new kojic acid hybrids (7a-7o) bearing a 1,2,4-triazine moiety were prepared, and their inhibitory activities and mechanism on tyrosinase were investigated.
Min He, Meiyan Fan, Wei-Qiang Yang, Zhiyun Peng, Guangcheng Wang   +4 more
semanticscholar   +1 more source