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ChemInform Abstract: 1,3-Dipolar Cycloaddition of Arylnitrile Oxides to Some Exocyclic Alkenes and Regioselective Synthesis of Spiro Isoxazolines.

✍ Scribed by N. MISHRIKY; F. M. ASAAD; Y. A. IBRAHIM; A. S. GIRGIS

Publisher: John Wiley and Sons
Year: 2010
Weight: 31 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199819131

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✦ Synopsis

1998 isoxazole derivatives isoxazole derivatives R 0240 19 -131 1,3-Dipolar Cycloaddition of Arylnitrile Oxides to Some Exocyclic Alkenes and Regioselective Synthesis of Spiro Isoxazolines. -1,3-Dipolar cycloaddition of the arylmethylidenes (I) with arylnitrile oxides, generated in situ from the corresponding hydroxamoyl chlorides (II), proceeds with excellent regioselectivity to afford the spiroisoxazolines (III). The regioisomers (IV) are not detected. -(MISHRIKY, N.; ASAAD, F. M.; IBRAHIM,

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