Intermolecular Cycloaddition of Ethyl Glyoxylate O-tert-Butyldimethylsilyloxime with Alkenes
Intermolecular Cycloaddition of Ethyl Glyoxylate O-tert-Butyldimethylsilyloxime with Alkenes
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DOI:
10.1055/s-2007-967939
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发表时间:
2007-03
期刊:
影响因子:
2
通讯作者:
O. Tamura;N. Morita;Yuu Takano;K. Fukui;I. Okamoto;Xin Huang;Yoshiyuki Tsutsumi;H. Ishibashi*
中科院分区:
文献类型:
--
作者:
O. Tamura;N. Morita;Yuu Takano;K. Fukui;I. Okamoto;Xin Huang;Yoshiyuki Tsutsumi;H. Ishibashi*
Ethyl glyoxylate O-tert-butyldimethylsilyloxime, on treatment with various alkenes in the presence of BF 3 ·OEt 2 , generated a C-ethoxycarbonyl N-boranonitrone intermediate, which underwent intermolecular cycloaddition to afford 3-(ethoxy-carbonyl)isoxazolidines in moderate to high yields.