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A convenient one-pot synthesis of 4-hydroxycoumarin, 4-hydroxythiocoumarin, and 4-hydroxyquinolin-2(1H)-one
被引:116
|作者:
Jung, JC
[1
]
Jung, YJ
[1
]
Park, OS
[1
]
机构:
[1] Chungbuk Natl Univ, Coll Nat Sci, Dept Chem, Cheongju 361763, Chungbuk, South Korea
关键词:
D O I:
10.1081/SCC-100104003
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
An improved one-pot synthesis of 4-hydroxycoumarin. 4-hydroxythiocoumarin, and 4-hydroxyquinolin-2(1H)-one from 2-hydroxyacetophenone, 2-mercaptoacetophenone, and 2-aminoacetophenone, respectively, is described. The synthetic strategies involve the acylation and internal ring cyclization. This method is readily amenable to large-scale synthesis of 4-hydroxycoumarin, 4-hydroxythiocoumarin, and 4-hydroxyquinolin-2(1H)-one derivatives in high yields.
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页码:1195 / 1200
页数:6
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