[4+1]cycloadditions of the rhodium Di(methoxycarbonyl) carbenoid to 2-siloxy-1,3-dienes

被引:18
作者
Schnaubelt, J [1 ]
Marks, E [1 ]
Reissig, HU [1 ]
机构
[1] TECH UNIV DRESDEN,INST ORGAN CHEM,D-01062 DRESDEN,GERMANY
关键词
2-siloxy-1,3-dienes; dimethyl diazomalonate; rhodium(II) acetate; 4+1] cycloadditions; cyclopentene derivatives;
D O I
10.1002/cber.19961290115
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The rhodium(II) acetate catalyzed reaction of dimethyl diazomalonate with 2-siloxy-1,3-dienes la-ld and Ih furnished cyclopentene derivatives 4a-4d and 4h in moderate yields. The mechanism of this unusual (4 +1) cycloaddition is discussed.
引用
收藏
页码:73 / 75
页数:3
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