difluoro 二氟
- Objective:2,4-Difluoro benzoic acid was prepared by using 2,4-dinitro methylbenzene as initial material.
前言: 目的:以2 ,4— 二硝基甲苯为起始原料合成2 ,4—二氟苯甲酸; - The invention discloses side difluoro methylene ether bridged bond paired-end alkyl terphenyl, a preparation method and application thereof.
本发明公开了侧向二氟亚甲基醚桥键双末端烷基三联苯及其制备方法与应用。 - A series of novel laterally O-difluoro-substituted terphenyl chiral liquid crystals have been synthesized through a simple route based on palladium-catalyzed cross-coupling reaction.
利用钯催化交叉偶合反应合成了一个系列的侧向邻二氟取代三联苯光活性液晶化合物。
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