Results 101 to 110 of about 29,220 (210)

3-Substituted Blatter Radicals: Cyclization of N-Arylguanidines and N-Arylamidines to Benzo[e][1,2,4]triazines and PhLi Addition. [PDF]

J Org Chem, 2023
Pomikło D, Bodzioch A, Kaszyński P.
europepmc   +1 more source

Relative Stability and Structure of Dihydro-1,2,4-triazines:  A Theoretical Study

, 2016
A brief survey is given on the synthesis and structure elucidation for dihydro-1,2,4-triazines. The relative stability of nine possible dihydro-1,2,4-triazines and three dihydrotriazinium cations is studied at HF, MP2, generalized gradient approximation ...
Gábor I. Csonka (3043866), József Nagy (2501278), István Vágó (3043872), József Nyitrai (3043869)   +3 more
core   +1 more source

Cyanauric Chloride as a key precursor and a core component for Three-Armed Triazolopyrimidines: Recent finding about SARs and docking analyses

Results in Chemistry
The s-triazine trichloride is a reactive compound and can be used as key intermediate for delivering polysubstituted triazines specially the three-armed ones.
Mohamed G. Badrey, Sobhi M. Gomha, Magdi E.A. Zaki, Basant Farag, Ahmed A.M. El-Reedy   +4 more
doaj   +1 more source

Cascade Reactions of Substituted 1,2,4-Triazines:  Rapid Access to Nitrogen-Containing Polycycles

, 2016
A new and straightforward methodology for the construction of complex nitrogen-containing polycycles has been developed. This methodology exploits easily prepared 1,2,4-triazines as substrates for a pericyclic reaction cascade, forming the polycycles in ...
Steven A. Raw (2339695), Richard J. K. Taylor (1662202)   +1 more
core   +2 more sources

Synthesis and crystal structures of 7,8-bromo (dibromo)-3-tert-butylpyrazolo[5,1-c][1,2,4]triazines. [PDF]

Struct Chem, 2021
Ivanov SM, Koltun DS.
europepmc   +1 more source

Corrosion Mitigation Performance of N80 Steel in 5% Sulfamic Acid Medium by Applying Novel Tetrahydro-1,2,4-triazines Including Triazene Moieties: Electrochemical and Theoretical Approaches. [PDF]

ACS Omega, 2022
Abd El-Lateef HM, Shalabi K, Arab AM, Abdallah YM.   +3 more
europepmc   +1 more source

Positional Methyl Effects in Benzo[e][1,2,4]triazines—Synthesis and Crystal Structure Analysis of 5-Methyl-3-phenylbenzo[e][1,2,4]triazine and Its Precursor, N′-(3-Methyl-2-nitrophenyl)benzohydrazide

Crystals
We report the synthesis, spectroscopic characterization, and single-crystal X-ray structures of 5-methyl-3-phenylbenzo[e][1,2,4]triazine (I) and its precursor N′-(3-methyl-2-nitrophenyl)benzohydrazide (IV).
Christos P. Constantinides, Jin-Seok Yi, Haidar Dakdouk, Simona Marincean   +3 more
doaj   +1 more source

Synthesis and DFT analysis of non-covalent interactions in crystal structures of 6-R-2-alkoxy-, 2,3-di-, and 2,2,3-tri-tert-butylpyrrolo[1,2-b][1,2,4]triazines. [PDF]

Struct Chem, 2023
Koltun DS, Ivanov SM.
europepmc   +1 more source

A one-pot, three-component, microwave-promoted synthesis of 2-amino-substituted 7-amino-1,2,4-triazolo[1,5-a][1,3,5]triazines

, 2013
A new, efficient, catalyst-free, one-pot, three-component method for the synthesis of 2-amino-substituted 7-amino-1,2,4-triazolo[1,5-a][1,3,5]triazines using 3,5-diamino-1,2,4-triazoles, cyanamide, and triethyl orthoformate is developed.
Kalinina, S., Kalinin, D., Dolzhenko, Anton   +2 more
core   +1 more source

Synthesis and Biochemical Testing of 3-(Carboxyphenylethyl)imidazo[2,1-f][1,2,4]triazines as Inhibitors of AMP Deaminase

, 2016
C-Ribosyl imidazo[2,1-f][1,2,4]triazines and 3-[2-(3-carboxyphenyl)ethyl]-3,6,7,8-tetrahydroimidazo[4,5-d][1,3]diazepin-8-ols represent two classes of known AMP deaminase inhibitors.
Stephen D. Lindell (2268556), Simon Maechling (2268562), Richard L. Sabina (2268559)   +2 more
core   +1 more source