Photosensitized oxidation of unsymmetrical 1,4-dihydropyridines

被引：24
|
作者：
Memarian, H. R. [1 ]
Abdoli-Senejani, M. [1 ]
Tangestaninejad, S. [1 ]
机构：
[1] Univ Isfahan, Fac Sci, Dept Chem, Esfahan 8174673441, Iran
来源：
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY | 2006年 / 3卷 / 03期
关键词：
1,4-dihydropyridines; photochemistry; photooxidation; photosensitized oxidation; singlet oxygen;
D O I：
10.1007/BF03247221
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photosensitized oxidation of unsymmetrically substituted 1,4-dihydropyridines using dye sensitizers methylene blue, rose bengal and tetraphenylporphyrin by taking visible light source resulted in the aromatization of dihydropyridine ring and formation of the corresponding pyridine derivatives. Comparison of the results obtained under photosensitized reaction with those obtained by direct photo-oxidation indicated a very fast and smooth reaction of these compounds and formation of pyridine derivatives using theses dyestuffs.
引用
收藏
页码：285 / 292
页数：8
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