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Synthesis 1990; 1990(9): 817-819
DOI: 10.1055/s-1990-27024
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1,3-Dipolar Cycloaddition of Diethyl Nitromethylphosphonate, via the Nitrile Oxide, to Alkenes and 1-Alkenes. A Convenient One-Pot Synthesis of 3-Diethoxyphosphoryl-4,5-dihydroisoxazoles and 3-Diethoxyphosphorylisoxazoles

Rongyu Zhang* , Jian Chen
  • *Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
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Publication Date:
17 September 2002 (online)

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The one-pot reaction of diethyl nitromethylphosphonate with alkenes or 1-alkynes in the presence of phosphoryl chloride and triethylamine leads to 3-diethoxyphosphoryl-substituted 4,5-dihydroisoxazoles or isoxazoles, respectively, in good yields.

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