87814-16-2Relevant academic research and scientific papers
REACTION OF 4-THIOXO-1,3-BENZOTHIAZINES WITH AMIDRAZONES: SYNTHESIS OF 1,2,4-TRIAZOLOQUINAZOLINE DERIVATIVES
Molina, Pedro,Arques, Antonio,Cartagena, Inmaculada,Valcarcel, Maria Victoria
, p. 2357 - 2362 (2007/10/02)
2-Aryl-4-thioxo-1,3-benzothiazines react with unsubstituted amidrazones to give the corresponding amidinoquinazolinthiones which by action of methyl iodide cyclize to 2,5-diaryl-1,2,4-triazoloquinazolines.Reaction of amidinoquinazolinthiones with h
Reaction of 3-Hetero-substituted 2-Phenyl-4-thioxo-3,4-dihydroquinazolines with Acyl Chlorides and Phenacyl Bromides
Molina, P.,Arques, A.,Cartagena, I.,Noguera, J. A.,Valcarcel, M. V.
, p. 983 - 987 (2007/10/02)
Some 2,5-disubstituted 1,3,4-thiadiazoles 5 were obtained by reaction of 3-amino-2-phenyl-4-thioxo-3,4-dihydroquinoxaline (1) with acyl chlorides.Reaction of 3-hydroxy-2-phenyl-3,4-dihydroquinazoline (3) with phenacyl bromides was carried out either in dr
