Two convenient regioselective syntheses of 1-N-alkyl-3-aryl-4-[pyrimidin-4-yl]-pyrazoles
Author/Authors :
Ralph ، نويسنده , , Jeffrey M. and Faitg، نويسنده , , Thomas H. and Silva، نويسنده , , Domingos J. and Feng، نويسنده , , Yanhong and Blackledge، نويسنده , , Charles W. and Adams، نويسنده , , Jerry L.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2009
Pages :
4
From page :
1377
To page :
1380
Abstract :
Two regioselective synthetic routes for 1-N-alkyl-3-aryl-4-[pyrimidin-4-yl]-pyrazoles of generic formula 1 were developed. These highly efficient and scalable routes circumvent the generally observed poor regioselectivity for the pyrazole alkylation.