Title of article
A regioselective route to 5-substituted pyrazole- and pyrazoline-3-phosphonic acids and esters
Author/Authors
P. Conti، نويسنده , , A. Pinto، نويسنده , , L. Tamborini، نويسنده , , V. Rizzo، نويسنده , , C. De Micheli، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2007
Pages
7
From page
5554
To page
5560
Abstract
The regioselective synthesis of 5-substituted-3-dimethoxyphosphono-pyrazoles and -2-pyrazolines has been accomplished through the 1,3-dipolar cycloaddition of a suitable nitrile imine to monosubstituted alkynes and alkenes. Examples of hydrolysis of the heterocyclic phosphonic esters to the corresponding acids are described.
Journal title
Tetrahedron
Serial Year
2007
Journal title
Tetrahedron
Record number
1090988
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