One-Step Synthesis of Alloxazines, Alloxazine-5-oxides, 5-Aryl-5-deazaalloxazines, and Fervenulin-4-oxides
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- 作者：Shaker Youssif A1
- 关键词：6-Anilino-1-methyluracils ; Alloxazines ; Alloxazine 5-oxides ; 5-Aryl-5-deazaalloxazines ; Fervenulin-4-oxides.
- 刊名：Monatshefte für Chemie / Chemical Monthly
- 出版时间：June 1999
- 出版年：1999
- 期刊代码：99_0026-9247
- 类别：ch
- 卷：130
- 期：6
- 页码：819-825
- 数据来源：sp
摘要
Summary. 1-Methylalloxazines and 1-methylalloxazine-N-oxides were prepared by the treatment of 1-methyl-6-anilinouracils with diethyl azodiformate (DAD) and potassium nitrate, and sulfuric acid in acetic acid, respectively. In addition, 1-methyl-5-aryl-5-deazaalloxazines were prepared by refluxing of 1-methyl-6-anilinouracils with aryl aldehydes in acetic acid. Treatment of 6-benzylidenehydrazinouracils with potassium nitrate and sulfuric acid in acetic acid gave fervenulin-4-oxides.