| 释义 |
Wittig reaction
基本例句
维蒂希反应
Synthesis of -Lactataldehyde and stereoselectivity of itsWittig reaction.在微通道反应器中合成2-乙基-2-苯基-3-溴-3-丁烯醛
A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde throughWittig reactionwas studied.本文研究了以3-氯丙醇，三苯基膦和丙醛为原料利用威蒂希反应合成叶醇的新路线。
A group of multi substituted phenols were prepared via intramolecular wittig reaction of a kind of long chain phosphonic ylides.一类含六个碳的长链叶立德通过分子内维蒂希反应可生成含氟多取代苯酚 .
ATRP of 4-vinylbenzyloxy benzophenone followed byWittig reactionled to polystyrene backbone with 1, 1-diphenylethene pendent groups.通过ATRP聚合4-乙烯基苄氧基二苯甲酮，合成了含二苯甲酮侧基的聚苯乙烯，然后利用Wittig反应，将二苯甲酮基团定量的转化为二苯基乙烯基团，得到含DPE侧基的聚苯乙烯主链。
The calculated results show that the azaWittig reactionis a two step reaction, having one four membered ring intermediate on its reaction surface.计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。 |