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Abstract

1, 3 DIPOLAR CYCLOADDITION REACTION OF HYDROXYL SUBSTITUTED WITH N-ARYLMALEIMIDES LEADING TO THE SYNTHESIS OF SUBSTITUTED STEREOISOMERIC HEXAHYDROPYRROLO[3,4-D]ISOXAZOLE-4,6-DIONE DERIVATIVE IN AQUEOUS MEDIUM

Manpreet Kaur, Baldev Singh* and Bikram Singh

ABSTRACT

Employing aqueous condition under acid catalysed under thermal treatment hydroxyl substituted nitrone (I) with substituted Narylmaleimide (II) have provided stereoisomeric 2,3,5-triaryl-4H- 2,3,3a,5,6,6a-hexahydropyrrolo[3,4-d]isoxazole-4,6-dione derivatives (III) in excellent yield. These stereoisomers have been characterized as cis-3A and trans-3B on the basis of their spectral data and have been isolated in the ratio 2:1 respectively in all the cases.

Keywords: Azomethines-N-oxides, Isoxazol-4,6-diones, Nphenylhydroxylamines, Maleimides.


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