Facile Synthesis of 2-Benzoyliminonaphtho[1,2-d]thiazoles
摘要:
Reaction of 1-naphthylamine with benzoyl chlorides and ammonium thiocyanate yielded N-benzoyl-N'-(naphthalene-1-yl) thioureas, which underwent oxidative cyclisation in the presence of phosphorous pentachloride and phosphorous oxichloride affording the title compounds.
There are presented compounds of the formula
or a pharmaceutically acceptable salt thereof, which are useful in the treatment of diabetes, diabetic retinopathy, asthma and diarrhea.
提供了该公式化合物或其药用可接受的盐,可用于治疗糖尿病、糖尿病视网膜病变、哮喘和腹泻。
Freund, Chemische Berichte, 1891, vol. 24, p. 4187