A New Route to 3-Phosphonylpyrazoles

作者:Bartnik Romuald; Cal Dariusz*
来源:Phosphorus, Sulfur, and Silicon and the Related Elements, 2010, 185(9): 1858-1861.
DOI:10.1080/10426500903329278

摘要

The regioselective synthesis of 3-diethoxyphosphonopyrazoles has been accomplished through the addition of aryl or alkyl hydrazines to (3-ethoxyacryloyl)phosphonic acid diethyl ester. An example of hydrolysis of the pyrazolephosphonic ester to the corresponding acid is described.

  • 出版日期2010