Abstract
1. Under the influence of diazoalkanes oximes activated by carbonyl and nitrile substituents form N- and O-alkylated products. Steric hindrances in the oxime and in the diazoalkane lead to a decrease in the yield of the N-alkylation products. 2. O-Alkylation of unsymmetrically substituted oximes occurs with retention of the configuration. The additivity of the contributions from the functional groups to the observed ASIS effect of the MeON group is proposed as a method for determination of the configurations and approximate conformations of O-alkyl oximes.
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