An efficient one-pot synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-dione derivatives

作者：Ghahremanzadeh Ramin; Shakibaei Ghazaleh Imani; Bazgir Ayoob^*

来源：Synlett, 2008, (8): 1129-1132.

DOI：10.1055/s-2008-1072716

• malononitrile
• ethyl cyanoacetate
• phthalhydrazide
• pyrazolo[1,2-b]phthalazine-5-dione

An efficient, three-component, one-pot condensation reaction between phthalhydrazide, aromatic aldehydes, and malononitrile or ethyl cyanoacetate for the synthesis of 1H-pyrazolo[1,2-b]phthalazine-5, 10-dione derivatives in excellent yields is reported.

• 出版日期2008-5-5