Nc. Bar et al., SOLVENT AND SALT-DEPENDENT 1,3-DIPOLAR CYCLOADDITION - SYNTHESIS OF ISOXAZOLIDINO-CARBOCYCLE AND ISOXAZOLINO-CARBOCYCLE, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 36(3), 1997, pp. 275-277
1,3-Dipolar nitrone/nitrile oxide cycloaddition of 2 in different solv
ents requires metal co-ordination to obtain high yields of desired pro
ducts, isoxazolidino- and isoxazolino-carbocycles (5 and 7).