Thermally Induced Cyclization of Electron-Rich N-Arylthiobenzamides to Benzothiazoles
作者:Yvette Jackson、Oscene Barrett、Nadale Downer-Riley
DOI:10.1055/s-0032-1316670
日期:2012.8
Heating N-(2-methoxyphenyl)benzenecarbothioamides in refluxing nitrobenzene for 24 hours gives the corresponding benzothiazoles with intramolecular ipso substitution of the orthomethoxy substituent. The thermal cyclization of various other N-arylthiobenzamides is also explored.