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A one-pot synthesis of 3-trifluoromethyl-2-isoxazolines from trifluoromethyl aldoxime.


ABSTRACT: Functionalized 3-trifluoromethyl-2-isoxazolines and 3-trifluoromethylisoxazoles were easily prepared from trifluoromethyl aldoxime 2 under mild conditions by using DIB as oxidant. Theoretical studies of the reactivity of trifluoroacetonitrile oxide 4 toward olefins and alkynes were carried out. The 3-trifluoromethyl-2-isoxazolines were ring-opened with NaBH4 and NiCl2 to yield the corresponding trifluoromethylated ?-amino alcohols.

SUBMITTER: Goncalves RS 

PROVIDER: S-EPMC3869255 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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A one-pot synthesis of 3-trifluoromethyl-2-isoxazolines from trifluoromethyl aldoxime.

Gonçalves Raoni S B RS   Dos Santos Michael M   Bernadat Guillaume G   Bonnet-Delpon Danièle D   Crousse Benoit B  

Beilstein journal of organic chemistry 20131107


Functionalized 3-trifluoromethyl-2-isoxazolines and 3-trifluoromethylisoxazoles were easily prepared from trifluoromethyl aldoxime 2 under mild conditions by using DIB as oxidant. Theoretical studies of the reactivity of trifluoroacetonitrile oxide 4 toward olefins and alkynes were carried out. The 3-trifluoromethyl-2-isoxazolines were ring-opened with NaBH4 and NiCl2 to yield the corresponding trifluoromethylated γ-amino alcohols. ...[more]

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