Details

Autor(en) / Beteiligte

• Gonçalves, M. S. T.
• Oliveira-Campos, A. M. F.
• Rodrigues, L. M.
• Proença, M. F. R. P.

Titel

Synthesis of 4-Amino-3,5-dicyano-arylpyrazoles, Part 2: Isolation and Characterization of By-Products

Ist Teil von

• Synthetic communications, 2012-06, Vol.42 (11), p.1695-1703

Ort / Verlag

Philadelphia: Taylor & Francis Group

Erscheinungsjahr

2012

Quelle

Taylor & Francis

Beschreibungen/Notizen

• Reaction of (dicyanomethylidene-hydrazino)benzoic acids with chloroacetonitrile, under basic conditions, gave cyanomethyl-3-(7-amino-3,5-dicyano-1H-pyrazolo[4,3-d]pyrimidin-1-yl-benzoates and para-substituted cyanomethyl benzoates, in addition to the expected cyanomethyl 3-(4-amino-3,5-dicyano-1H-pyrazol-1-yl)-benzoates.