A novel synthesis of new 3-aryl-7-methylpyrano[4,3-b]pyran-4H,5H-diones using hypervalent iodine(III) reagents

被引:11
作者
Prakash, O [1 ]
Kumar, A [1 ]
Sadana, AK [1 ]
Singh, SP [1 ]
机构
[1] Kurukshetra Univ, Dept Chem, Haryana 136119, India
来源
SYNTHESIS-STUTTGART | 2006年 / 01期
关键词
hypervalent iodine; hydroxy(tosyloxy)iodo]benzene; oxidation; chalcone; dehydroacetic acid;
D O I
10.1055/s-2005-921751
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Oxidation of 3-cinnamoyl-4-hydroxy-6-methyl-2H-pyran-2-ones with [hydroxy(tosyloxy)iodo]benzene in CH2Cl2 leads to cyclization, thereby providing a new and convenient route for the synthesis of 3-aryl-7-inethylpyrano[4,3-b]pyran-4H,5H-diones.
引用
收藏
页码:21 / 23
页数:3
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