Title of article :
5-Trifluoromethyl-1,2-dimethyl-1H-pyrazolium chlorides: synthesis and 1H, 13C, 19F and 35Cl NMR chemical shifts
Author/Authors :
Martins، نويسنده , , Marcos A.P and Blanco، نويسنده , , Rogério F and Pereira، نويسنده , , Claudio M.P and Beck، نويسنده , , Paulo and Brondani، نويسنده , , Sergio and Cunico، نويسنده , , Wilson and Zimmermann، نويسنده , , Nilo E.K and Bonacorso، نويسنده , , Helio G and Zanatta، نويسنده , , Nilo، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
The one-pot synthesis of nine novel 5-trifluoromethyl-1,2-dimethyl-1H-pyrazolium chlorides 2 from the cyclocondensation of 4-alkoxy-1,1,1-trifluoro-3-alken-2-ones 1 [CF3C(O)CH=C(R1)OR, where R1=H, Me, n-Pr, n-Hex, Ph, 4-Me-C6H4, 4-F-C6H4, 4-Cl-C6H4, 4-NO2-C6H4, and R=Me, Et] with 1-2-dimethyl hydrazine, in quantitative yields, is reported. The 1H, 13C, 19F and 35Cl NMR chemical shifts of compounds 2 also are described.
Keywords :
35Cl NMR , 2-Dimethylhidrazine , Pyrazolium chlorides , NMR , 1 , 13C NMR , 19F NMR , 1H NMR , enones
Journal title :
Journal of Fluorine Chemistry
Journal title :
Journal of Fluorine Chemistry
