162130-64-5Relevant articles and documents
Pyrazole Derivatlves Part III Synthesis of Novel Naphthopyrazolebenzenesulfonylureas, Thioureas Derivatives and Their Cyclized Derivatives
Faidallah, Hassan M.,Makki, Mohamad S. I.
, p. 585 - 590 (2007/10/03)
Substituted p-(naphthopyrazol-2-yl)benzenesulfonylurea and thiourea derivatives 5-7 were prepared in three series.Cyclization of the thioureido group of compounds 7 by treating with ethyl bromoacetate, ethyl β-bromopropionate and α-bromoacetophenone afforded the corresponding thiazolidinone, thiazinone and thiazoline derivatives 8, 9 and 10 respectively. - Key Words Naphthopyrazoles; Benzenesulfonylureas; Benzenesulfonylthioureas.