Synthesis and Characterization of Some New Derivatives of 4 - Amino Antipyrine and Evaluation of Biological Activity of Some of Them
| المؤلف الرئيسي: | Toama, Mustafa Kamil (Author) |
|---|---|
| مؤلفين آخرين: | Hameed, Ayad S. , Al Bayati, Redha I. H. |
| التاريخ الميلادي: |
2010
|
| موقع: | تكريت |
| التاريخ الهجري: | 1431 |
| الصفحات: | 1 - 81 |
| رقم MD: | 613791 |
| نوع المحتوى: | رسائل جامعية |
| اللغة: | الإنجليزية |
| الدرجة العلمية: | رسالة دكتوراه |
| الجامعة: | جامعة تكريت |
| الكلية: | كلية التربية |
| الدولة: | العراق |
| قواعد المعلومات: | Dissertations |
| مواضيع: | |
| رابط المحتوى: |
الناشر لهذه المادة لم يسمح بإتاحتها. |
| المستخلص: |
In this work, isondoline -1,3-dione derivatives [2-5] were prepared from the corresponding anhydrides and 4-amino antipyrine [1].Derivatives[6-11] containing urea and thioureamoieties at position [4]were prepared from 4-amino antipyrine[1] and an appropriatearyl or alkyliso or (isothio)cyanates and then converted into pyrimidine derivatives [12-15]. Treatment of compound [1] with formic acid or acetic acid give the amide derivatives [16 and 17], which upon refluxing of compound [16]) with hydrazine hydrate in ethanol yielded the corresponding 2,3-dimethyl-1-phenyl-2,4-dihydro-1H-pyrazolo[4,3,e][1,2,4]-triazine [18]. Reacting compound [1] with acetyl acetone in boiling ethanol for 6hrs, leads to 4-amino antipyrine derivative [19]. The azomethines[20-22] were prepared from the corresponding aryl aldehydes and compound [1]. |
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