146767-07-9Relevant articles and documents
Synthesis of Quinazolino-1,3-benzothiazine Derivatives
Szabo, Janos,Bani-Akoto, Ernest,Dombi, Gyoergy,Bernath, Gabor,Fodor, Lajos,Sohar, Pal
, p. 1513 - 1517 (2007/10/02)
The ring-closure reactions of N-(3,4-dimethoxyphenylthiomethyl)-2-nitrobenzamide derivatives 5a,b with phosphoryl chloride gave 4-(2-nitrophenyl)-2H-1,3-benzothiazine derivatives 7a,b, which on reduction yielded 4-(2'-aminophenyl)-3,4-dihydro-2H-1,3-benzo