DIOXIRANE OXIDATION OF (Z)-1-THIOAURONES, (E)-3-ARYLIDENE-1-THIOCHROMAN-4-ONES AND (E)-3-ARYLIDENE-1-THIOFLAVAN-4-ONES

被引:38
作者
ADAM, W [1 ]
GOLSCH, D [1 ]
HADJIARAPOGLOU, L [1 ]
LEVAI, A [1 ]
NEMES, C [1 ]
PATONAY, T [1 ]
机构
[1] LAJOS KOSSUTH UNIV,DEPT ORGAN CHEM,H-4010 DEBRECEN,HUNGARY
关键词
D O I
10.1016/S0040-4020(01)89320-0
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The oxidation of the title compounds 1, 4 and 7 with dimethyldioxirane (DMD) afforded the corresponding sulfoxides 2, 5 and 8 and/or sulfones 3, 6 and 9 in good yields (Scheme 1 and 2). Excess dimethyldioxirane gave the sulfones chemoselectively without formation of the epoxides. The epoxidation of the sulfones 6a,b,d to the respective spiroepoxides 10a,b,d required the more reactive methyl(trifluoromethyl)dioxirane (TFD) as oxidant.
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页码:13113 / 13120
页数:8
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