Nonclassical Pschorr and Sandmeyer React
โ
Benedetta Maggio; Giuseppe Daidone; Demetrio Raffa; Salvatore Plescia; Gabriella
๐
Article
๐
2005
๐
John Wiley and Sons
๐
German
โ 154 KB
The diazonium salt derived from 4-amino-N,1,3-trimethyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1Hpyrazole-5-carboxamide ( 14) was reacted with a mixture of CuSO 4 and NaCl, with ascorbic acid as an initiator to afford the planar derivative 4, 6-dihydro-1,4,6,8-tetramethyl-3-phenyldipyrazolo[3,4-b:4',