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
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
作者:Rongyu Zhang、Jian Chen
DOI:10.1055/s-1990-27024
日期:——
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.