111324-22-2Relevant academic research and scientific papers
Preparation of 2-Substituted 1,3,4-Thiadiazoles and Mesoionic 1,3,4-Thiadiazolequinazolines from 4H-3,1-Benzothiazine-4-thiones or 3-Amino-4(3H)-quinazolinethiones
Molina, Pedro,Arques, Antonio,Cartagena, Inmaculada,Alias, Maria Asuncion,Concepcion Foces-Foces, Maria de la,Cano, Felix Hernandez
, p. 133 - 140 (2007/10/02)
Reaction of 4H-3,1-benzothiazine-4-thiones 1 with S-methylisothiosemicarbazide hydroiodide yields 2-amino-1,3,4-thiadiazoles 2 instead of the expected 1,2,4-triazoloquinazolines.Structures of compounds 2 have been established by means of 13C-NMR an
