【摘 要】
：
Although transition-metal-catalyzed C-H activation has been well demonstrated as an efficient and straightforward method to construct complicated structures, accomplish high site-selectivity still is
【机 构】
：
兰州大学功能有机分子化学国家重点实验室,兰州730000
【出 处】
：
第十八届全国金属有机化学学术讨论会
论文部分内容阅读
Although transition-metal-catalyzed C-H activation has been well demonstrated as an efficient and straightforward method to construct complicated structures, accomplish high site-selectivity still is a frontier challenge for synthetic chemistry.
其他文献
Bisheterocycles are of vital importance in pharmaceuticals, natural products, and functional materials.Traditional approaches to these C(sp2)-C(sp2) linked bisaryl compounds were mostly based on aryl
过渡金属催化C-H键活化避免了经典偶联反应中需要对底物进行卤化或金属化等预活化步骤,己发展成为一种快速、高效的构筑C-C键、C-杂原子键的方法[1-2].平面手性二茂铁以其独特的立体结构和电子效应,在材料科学和药物化学中都有重要的应用.
In recent years, introducing polyoxometalates (POMs) into the crystal materials has become a new direction in the design and synthesis of novel porous crystal materials1.2, 2 A new compound containing
氨基甲酸酯是一类用途广泛的精细化学品,在医药、农药等领域具有广泛的应用[1].虽然合成氨基甲酸酯方法很多,但是反应条件比较苛刻,有的以光气为原料[2]、有的需要催化剂的催化[3]、有的需要高温高压[4]、有的还需要重金属的催化[5]等条件.
We report herein the NHC-Pd(Ⅱ)-Im complex 11 catalyzed direct C-H bond functionalization of C9-position of fluorenes with aryl chlorides and further alkylation of the products, providing an expedient,
Oligomers and polymers based on fluorene are very valuable candidates for light emitting diodes, whereas the ACQ effect is the main obstacle in the efficient application of these materials with fluore
The activation of hydrogen or carbon dioxide is a very interesting aspect in organometallic chemistry and industry catalysis, which has attracted much attention in recent years.Until now,most of the c
o-Quinodimethane (o-QDM), a transient short-lived and highly reactive species, has attracted great curiosity from chemists over the past 40 years, both from theoretical and synthetic points of vieW.
有机铜化学一直是金属有机化学的重要组成部分.有机铜锂试剂具有独特的结构和反应性能,被广泛用于有机合成之中,而不同的有机铜物种又被普遍的认为是铜催化和介导的有机反应的中间体.虽然高价有机铜如三价的有机铜物种在铜催化的交叉偶联反应、碳-氢键活化过程中被公认为是反应的活性中间体,但是,三价有机铜存在与否常常存疑.
Transition-metal-catalyzed direct C-H activation and functionalization have become powerful tools in organic synthesis by virtue of the step economy, lower-cost, and decreased waste production.1, 2 Al