1,2,4-triazine
National Institutes of Health
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An original one-pot Michael addition-ihDA/rDA sequence was achieved from 3-vinyl-1,2,4-triazine platforms used as unprecedented…
The reaction of cyanoacetylhydrazine with chloroacetone gave the N-(1-chloropropan-2-ylidene)-2-cyanoacetohy- drazide. This…
Aim. To enlarge a spectrum of biologically active compounds in the series of the 1,2,4-triazino[5,6-b] [1,4]benzothiazine (1,2,4…
Two types of ring transformations of 1,2,4-triazine to pyridazine were found: 1,2,4-triazine 4-oxides bearing ortho-halophenyl in…
Synthesis of 2,3- and 3,4-cyclopentenopyridines, 5,6,7,8-tetrahydroquinolines and 5,6,7,8-tetrahydroisoquinolines from 1,2,4…
In the crystal structure of 3-amino-1,2,4-triazine, C(3)H(4)N(4), the molecules form hydrogen-bonded chains that are almost…
The role of uncondensed 1,2,4-triazine compounds and related heterobicyclic systems in AIDS and Cancer is reviewed. Their…
Some new heterobicyclic nitrogen systems 5-18 and/or thioethers 20, 22 bearing the 1,2,4-triazine moiety have been synthesized…
Abstract Results of the first extensive investigation of the nitrogen shielding of 1,2,4,5-tetrazine ( I ) are reported. Due…
Treatment each of 3-mercapto-1,2,4-triazine derivatives (1 a) and (2b) with alkyl (or aryl) halides afforded the corresponding 3…