Cycloaddition of arylnitrile oxides to 2H,5H-1,6-benzodioxocine and related compounds
- 1 January 1988
- journal article
- Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications
- Vol. 53 (5) , 1060-1067
- https://doi.org/10.1135/cccc19881060
Abstract
3-Aryl-3a,4,11,11a-tetrahydroisoxazolo[5,4c]-1,6-benzodioxocines VIII were formed by a 1,3-dipolar cycloaddition of arylnitrile oxides to 2H,5H-1,6-benzodioxocine (III). The heterocycle VII afforded monoadducts IX, whereas dipolarophiles IV-VI do not yield cycloaddition products with nitrile oxides under the same reaction conditions. Irradiation of isoxazolines VIII, IX with UV light led to tarry products.Keywords
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