سال انتشار: ۱۳۹۱
محل انتشار: دومین همایش ملی نفت، گاز و پتروشیمی
تعداد صفحات: ۵
نویسنده(ها):
Farzane Saffari – Department of Chemistry, Islamic Azad University, Gachsaran Branch, Gachsaran, Iran
Nasir Iravani –

چکیده:

A new method for the preparation of 1,4-dihydropyrano[2,3-c]pyrazole derivatives via the mixing of an aromatic aldehyde, malononitrile and 5-methyl-2-phenyl-2,4-dihydro-3H pyrazol-3-one in the presence of Al(DS)3.3H2O as a catalyst was reported. The corresponding products were obtained in high yields (82–88 %).