The preparation of penicillin G sulfoxide p-nitrobenzyl ester from penicillin G was studied.

青霉素G钾制备青霉素G亚砜-苄酯工艺进行了研。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研了1，2，4三唑酮3（TO）衍生物的合成，明TO在多种化条件下均可制得31，2，4三唑酮5（NTO），同时还合成了TO的二取代苯衍生物。