1,3-Dipolar Cycloaddition of Diethyl Nitromethylphosphonate, via the Nitrile Oxide, to Alkenes and 1-Alkynes. A Convenient One-Pot Synthesis of 3-Diethoxyphosphoryl-4,5-dihydroisoxazoles and 3-Diethoxyphosphorylisoxazoles

DOI: 10.1055/s-1990-27024

Source and publish data:

Synthesis p. 817 - 819 (1990)

Update date:2022-07-31

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Authors:

Zhang, Rongyu

Chen, Jian

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Article abstract of DOI:10.1055/s-1990-27024

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.

Full text of DOI:10.1055/s-1990-27024

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Product name:(5-Pentyl-4,5-dihydro-isoxazol-3-yl)-phosphonic acid diethyl ester

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