89607-55-6Relevant articles and documents
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