82805-22-9Relevant academic research and scientific papers
CYCLIZATION REACTIONS OF NITRILES. VII. SYNTHESIS OF 6-AMINO-4-ARYL-3-METHYL-5-CYANO-1H,4H-PYRAZOLOPYRANS
Sharanin, Yu. A.,Sharanina, L. G.,Puzanova, V. V.
, p. 2291 - 2296 (2007/10/02)
6-Amino-4-aryl-3-methyl-5-cyano-1H,4H-pyrazolopyrans were synthesized by the reaction of aromatic aldehydes, malononitrile, and 3-methyl-5-pyrazolone and also of arylidenemalononitriles with 3-methyl-5-pyrazolone or of 4-arylidene-3-methyl-5-pyrazo
6-Amino-5-cyano-1H,4H-pyrazolo[3,4-b]pyrans
Sharanina,Promonenkov,Marshtupa,Pashchenko,Puzanova,Sharanin,Klyuev,Gusev,Gnatusina
, p. 607 - 611 (2007/10/02)
The reaction of 3-methyl-1-phenyl-5-pyrazolene with arylideneamino nitriles in alcohol leads to the formation of 3-methyl-4(1-aryl-2,2-dicyanoethyl)-5-pyrazolones, which are readily cyclized in the presence of bases to the corresponding 6-amino-5-cyano-3-
