Thermal Condensation of 1-Aryl/ hetaryl-3-methyl-2- pyrazolin-5-ones with Aromatic Aldehydes. synthesis of 4- arylidenepyrazolones
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نویسنده
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Ahmed Basaif Salem
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منبع
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journal of king abdulaziz university: science - 2008 - دوره : 20 - شماره : 2 - صفحه:93 -100
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چکیده
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Heating of 3-methyl-1-(pyrid-2-yl / 4-chlorophenyl)-2-pyrazolin-5-ones (1) and some aromatic aldehydes at 150 – 160 ocaffords the corresponding 4-arylidene-2-pyrazolin-5-ones (2) ascolored products with high yields. these new products werecharacterized by uv-vis, ft-ir and 1h nmr spectro scopictechniques and elemental analysis.
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آدرس
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King Abdulaziz University, Faculty of Science, Department of Chemistry, Saudi Arabia
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