Synthesis of 1-(2-naphthylsulfonyl)pyrazole-C-glycosides.
2-Naphthylsulfonylhydrazine was reacted with aromatic aldehydes or aldehydo sugars to give the corresponding hydrazones which undergo Michael addition reactions with malononitrile or ethyl cyanoacetate to form pyrazole derivatives.
El-hamid Ismail
Abd
A
Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Koom, Egypt.
Abdel Aleem
Abdel Aleem Hassan
AA
Abdel Bary
Hamed
H
El-Assaly
Samy
S
D000085:Acetates / Q000737:chemistry; D000447:Aldehydes; D006027:Glycosides / Q000138:chemical synthesis* / Q000737:chemistry; D006834:Hydrazines / Q000737:chemistry; D009682:Magnetic Resonance Spectroscopy; D009282:Naphthalenesulfonates / Q000737:chemistry*; D009570:Nitriles / Q000737:chemistry; D011720:Pyrazoles / Q000138:chemical synthesis* / Q000737:chemistry
D000085:Acetates; D000447:Aldehydes; D006027:Glycosides; D006834:Hydrazines; D009282:Naphthalenesulfonates; D009570:Nitriles; D011720:Pyrazoles; C029424:hydrazine; C000945:dicyanmethane; C007659:ethyl cyanoacetate