(13) Stork, G.; Guthikonda, R. N. J. Am. Chem. SOC. 1972,94,5109. (14) Yet another possibility would be to use a reducing agent that would cleave the N-0 bond of the isoxazoline first and then effect re- duction of the CN bond. Sodium in ethanol is known to operate in this fashion. At present, however, we have not been able to obtain desirable products from this reduction procedure. See, for example, Jiiger, V.; Buss, V. Justus Liebigs Ann. Chem. 1980,101. ...