科研之友
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摘要
A study of cyclopropanations of oxy-substituted ethenes with ethyl alpha-aroyl-alpha-diazoacetates is described. The reaction of ethyl aaroyl-alpha-diazoacetates with trimethylsilyl vinyl ether or ethyl vinyl ether gave dihydrofuran products, but when vinyl acetate was used the products were stable cyclopropanes, ethyl 2-acetoxy-1-aroylcyclopropanecarboxylates, which were isolated in 16-87% yield depending on the nature and position of the aryl-ring substituent.
- 出版日期2015-10
