Conclusions
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1.
A method of synthesis for 3-phenylisoxazoline-N-oxide and 3-earbomethoxyisoxazoline-N-oxide has been worked out.
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2.
With respect to increase in reactivity of isoxazoline-N-oxides in the 1,3-cycloaddition reaction, substituents in the 3-position can be arranged in the order: NO2 > COOCH3 > C6H5.
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3.
Inclusion of the nitrone ether 1,3-system in a 5-membered ring reduces its reactivity in the 1,3-cycloaddition reaction.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2266–2269, Ocotober, 1969.
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Chlenov, I.E., Khudak, V.I., Tartakovskii, V.A. et al. 3-Phenyl- and 3-carbomethoxyisoxazoline-N-oxides in the 1,3-dipolar cycloaddition reaction. Russ Chem Bull 18, 2113–2116 (1969). https://doi.org/10.1007/BF00906630
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DOI: https://doi.org/10.1007/BF00906630