reaction ofZ-2-furaldoxime with oxirane afforded theN-alkylation product,viz., α-2-furyl-N-(2-hydroxyethyl)nitron, in good yield.E-Benzaldoxime gave predominantly theO-alkylation product, while itsZ isomer was converted into a mixture with theN-alkylation product slightly predominating.
Z-2-
呋喃多
肟与
环氧乙烷反应得到N-烷基化产物,即α-2-
呋喃基-N-(2-羟乙基)硝酮,收率良好。E-
苯甲醛肟主要得到O-烷基化产物,而其Z异构体转化为混合物,其中 N-烷基化产物略微占优势。