DFT Studies on the trans-l,4-Specific Polymerization of Isoprene Catalyzed by A Cationic La-Al Bimet

来源 :第十八届全国金属有机化学学术讨论会 | 被引量 : 0次 | 上传用户:kjc
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Multimetallic cooperation showed unique chemical and physical superiority in the (co)polymerization of olefins.Our previous works1 found a five-center rather than a traditional four-center transition state for alkene insertion into the metal-alkyl bond of a cationic binuclear yttrium complex1a.
其他文献
Axially chiral biaryls are common structure motifs in natural products and are the core for many of the most effective chiral ligands, such as the well-known BINAP, MOP and BINOL ligands.The palladium
会议
Selenium has been recognized as an essential element for life.Many organoselenium compounds have been studied as biological models that simulate catalytic functions demonstrated by natural enzymes.
会议
Designing catalytic systems based on inexpensive and abundant materials is vital to the development of hydrogen energy economy.1 However, few examples of platinum-free electrode materials capable of c
会议
Isoindolinones and their derivatives have received extensive attention in recent years because the isoindolinone moiety are found as a core unit in numerous natural products.1 Many isoindolinone deriv
会议
1,5-Diazapentadienyls have attracted much attention due to their structural features and coordination property [1].Their early and late transition metal complexes have been investigated in ethylene po
会议
Amide motifs are present in many natural products, pharmaceuticals, polymers, and biological systems.Amides are also of great importance as intermediates for the preparation of various useful organic
会议
In recent years, using transition metals to modulate the reactivity of isocyanides has attracted wide attention.1 In this field, we have found that under the copper catalysis condtions, isocyanides ca
会议
Catalytic asymmetric 1,3-dipolar cycloaddition of azomethine ylides to electron-deficient alkenes has arguably been one of the most ideal synthetic strategies for the stereoselective construction of s
会议
Intermetallic interaction and potential cooperation make multinuclear metal complexes possess unique structure and reactivity that mononuclear metal complexes do not have.Better understanding of such
会议
DFT calculations on the Ag-catalyzed carboxylation of phenyl acetylene with CO2 indicate that the true catalytically active species is a CsCO3--coordinated Ag complex rather than neutralPhC=CAg conven
会议