Nj. Howe et al., SYNTHESIS OF NOVEL PYRAZOLOBENZISOXAZOLE RING-SYSTEMS VIA A 1,3-DIPOLAR CYCLOADDITION REACTION, Journal of chemical research. Synopses, (11), 1995, pp. 466-467
Compounds containing the novel 2H-pyrazolo[3,4-e] [1,2]benzisoxazole 2
and 4H-pyrazolo[4,3-g]-1,2-benzisoxazole 3 ring systems have been syn
thesized via a 1,3-dipolar cycloaddition reaction between acetonitrile
oxide and the tetrahydroindazole.