The study on the replaced reaction of coordination water in transition elements heteropoly anions with keggin structure by quinine 结构过渡金属杂多阴离子中配位水与奎宁的取代反应
Directing effects in electophilic aromatic substitution . nucleophilic aromatic substitution . strategies in the synthesis of multisubstituted benzene derivatives 31亲电性芳香取代的定位效应。亲核性芳香取代反应。合成多取代苯衍生物的策略。
It was suggested that a reasonable route be found from the substituted reaction of thiophene to promote the research of thiophene derivative in china 建议从噻吩取代反应过程中找到一条适合工业化的工艺路线，以推动我国噻吩系列衍生物的研发工作。
The progress in synthesis of chiral phosphinamine ligands is reviewed . their applications in asymmetric allylic substitution , asymmetric 1 , 4 - conjugate addition and asymmetric hydroboration are described 本文较为详细地综述了轴向手性膦氮配体合成及其在不对称烯丙基取代反应、不对称1 , 4 -共轭加成反应及不对称硼氢化反应中的应用。
The progress in synthesis of chiral phosphinamine ligands is reviewed . their applications in asymmetric allylic substitution , asymmetric 1 , 4 - conjugate addition and asymmetric hydroboration are described 摘要本文较为详细地综述了轴向手性膦氮配体合成及其在不对称烯丙基取代反应、不对称1 , 4 -共轭加成反应及不对称硼氢化反应中的应用。
The paper introduces a new highly - effective synthesis method . decoquinate was synthesized with catechol as starting materials via substitution , reduction , and at last cyclization with " dowtherm a " as solvent 摘要以邻苯二酚为原料，通过一系列取代反应，再经过还原、缩合，最后在高沸点的混合有机溶剂中关环。制备的3 -喹啉羧酸乙酯衍生物的总收率为24 . 2 % 。
In this paper , research progress in the studying of high efficiency halogenation agent in recent years was reviewed and the application of a series of high efficiency halogenating reagents in halogenating substitution reaction and halogenating addition reaction were introduced 本文对近年来在高效卤化试剂研究方面取得的进展进行了综述，介绍了系列高效卤化剂在卤化取代反应、卤化加成反应等方面的应用。
The aromatic electrophilic substitution reaction was studied using nmr for the first time . on the base of substituents effects on the benzene , the orientation effect and reactivity was analysised quantitatively . this method may mostly predict the aromatic electrophilic substitution reaction 首次采用nmr研究芳基亲电取代反应.依据取代基对苯的影响，定量分析了定位效应和反应活性.此法对芳基亲电取代反应有一定的预见性
From a viewpoint of organic synthesis chemistry , the recent development and applications of molecular iodine as a catalyst in organic reactions including the formation and cleavage of common protecting groups , oxidation , reduction , cyclization , addition , substitution and rearrangement are reviewed 从有机合成化学的角度，按反应类型综述了分子碘作为催化剂在有机化学中的应用，碘催化的反应主要涉及保护基团的形成和裂解、氧化和还原反应、成环反应、加成反应、取代反应和重排反应等。
From a viewpoint of organic synthesis chemistry , the recent development and applications of molecular iodine as a catalyst in organic reactions including the formation and cleavage of common protecting groups , oxidation , reduction , cyclization , addition , substitution and rearrangement are reviewed 摘要从有机合成化学的角度，按反应类型综述了分子碘作为催化剂在有机化学中的应用，碘催化的反应主要涉及保护基团的形成和裂解、氧化和还原反应、成环反应、加成反应、取代反应和重排反应等。
