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Cyclization of 2-benzoylamino-N-methyl-thiobenzamides to 3-methyl-2-phenylquinazolin-4-thiones
Authors: Hanusek Jiří | Rosa Pavel | Drabina Pavel | Sedlák Miloš
Year: 2006
Type of publication: článek v odborném periodiku
Name of source: Journal of Heterocyclic Chemistry
Publisher name: Wiley-Blackwell
Page from-to: 1281-1285
Titles:
Language Name Abstract Keywords
cze Cyklizace 2-benzoylamino-N-methylthiobenzamidů na 3-methyl-2-fenylchinazolin-4-thiony Acylací 2-amino-N-methyl-thiobenzamidu substituovanými benzoylchloridy byly syntetizivány odpovídající 2-benzoylamino-N-methylthiobenzamidy. Jejich methanolátem sodným katalyzovaná cyklizace poskytuje odpovídající 3-methyl-2-fenylchinazolin-4-thiony. Kinetika této cyklizace byla studována pomocí UV-VIS spektroskopie při 100 °C v methanolických roztocích methanolátu sodného. 2-benzoylamino-N-methylthiobenzamidy, 3-methyl-2-fenylchinazolin-4-thiony, cyklizace
eng Cyclization of 2-benzoylamino-N-methyl-thiobenzamides to 3-methyl-2-phenylquinazolin-4-thiones Acylation of 2-amino-N-methyl-thiobenzamide with substituted benzoyl chlorides has been used to synthesize the corresponding 2-benzoylamino-N-methylthiobenzamides. Subsequent sodium methoxide-catalyzed ring closure gives the corresponding 3-methyl-2-phenylquinazoline-4-thiones. The kinetics of the cyclization reaction has been followed with UV-VIS spectroscopy at 100 degrees C in methanolic solutions of sodium methoxide. 2-benzoylamino-N-methyl-thiobenzamides, 3-methyl-2-phenylquinazolin-4-thiones, cyclisation