Reactions of Metallacyclopentadiene with Terminal Alkynes: Isolation and Characterization of Metallafulvenallene Complexes

Luo Ming; Deng Zhihong; Ruan Yonghong; Cai Yapeng; Zhuo Kaiyue; Zhang Hong; Xia Haiping

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Reactions of Metallacyclopentadiene with Terminal Alkynes: Isolation and Characterization of Metallafulvenallene Complexes

机译：金属氰基苯丙烯与末端alkynes的反应：Metallafulvenallene络合物的分离和表征

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Metallacyclopentadienes play an important role in transition-metal-catalyzed cyclotrimerization of alkynes. Isolation and characterization of these unique five-membered metallacycles could promote further understanding of related catalytic reactions. In this work, the first metallafulvenallene complexes were synthesized by the reaction of fused metallacyclopentadiene with terminal alkynes. Single-crystal X-ray diffraction and NMR spectroscopic studies on the metallafulvenallene complexes demonstrate that the bicyclic framework consists of a metallacyclopentadiene fused with a six-membered metallacycle, featuring an eta(1)-vinylidene ligand. Deuterium labeling experiments were carried out to investigate the mechanism for the transformation offused metallacyclopentadiene to fused metallafulvenallene. The UV-vis absorption spectra of these unique structures were measured.

机译：金属间旋达丁在炔烃的过渡金属催化的旋转转化中起重要作用。这些独特的五元金属金属族的分离和表征可以促进对相关催化反应的进一步了解。在这项工作中，通过熔融金属环戊二烯与末端炔烃的反应合成第一种金属化合物。金属浮华络合物上的单晶X射线衍射和NMR光谱研究表明，双环框架由与六元金属粘结融合的金属氰基碳化二烯组成，具有ETA（1） - 乙烯基配体。进行氘标记实验，以研究转化的偏移金属氰基酰胺对融合金属化无量子的机制。测量这些独特结构的UV-Vis吸收光谱。

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《Organometallics》 |2019年第15期|共7页
作者
Luo Ming; Deng Zhihong; Ruan Yonghong; Cai Yapeng; Zhuo Kaiyue; Zhang Hong; Xia Haiping;
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Xiamen Univ Coll Chem &

Chem Engn State Key Lab Phys Chem Solid Surfaces Xiamen 361005 Fujian Peoples R China;

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正文语种 eng
中图分类元素有机化合物;
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1. Reactions of Metallacyclopentadiene with Terminal Alkynes: Isolation and Characterization of Metallafulvenallene Complexes [J] . Luo Ming, Deng Zhihong, Ruan Yonghong, Organometallics . 2019,第15期

机译：金属氰基苯丙烯与末端alkynes的反应：Metallafulvenallene络合物的分离和表征
2. Reactions of terminal and bridging thiol di-mu-methylene dirhodium complexes with alkynes to afford the corresponding ethenethiolate complexes. Remarkable C-C bond formation between two mu-CH2 and alkynes on the bridging ethenethiolate complexes [J] . Kaneko Y., Nishiyama A., Suzuki T., Organometallics . 1998,第22期

机译：末端和桥连的硫醇二-亚甲基亚甲基二铵络合物与炔烃的反应，得到相应的乙撑硫醇盐络合物。桥联乙撑硫醇盐配合物上两个mu-CH2和炔烃之间形成显着的C-C键
3. Mechanism investigations of the endo cycloisomerization of alkynols through isolation and characterization of ruthenium complexes from the reactions of alkynes with a ruthenium complex [J] . Liu P.N., Wen T.B., Ju K.D., Organometallics . 2011,第9期

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4. Reactions of Dinuclear Ruthenium Bridging Imido Complexes with Alkynes [C] . Shin Takemoto, Yusaku Masuhara, Takahiro Ito Symposium on Organometallic Chemistry . 2007

机译：二核钌桥接与炔烃络合物的反应
5. Mechanistic studies on electron-transfer reactions from zero-valent ruthenium complexes to organic or inorganic acceptors: Isolation, characterization, and reactivity of the products obtained upon oxidation. [D] . Skoog, Steven John. 1997

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6. Co-complexes Derived from Alkene Insertion to Alkyne-dicobaltpentacarbonyl complexes: Insight into the Regioselectivity of Pauson-Khand Reactions of Cyclopropenes [O] . Mahesh K. Pallerla, Glenn P. A. Yap, Joseph M. Fox -1

机译：从烯烃插入到炔-二钴五羰基配合物的共配合物：环丙烯的Pauson-Khand反应的区域选择性的见解
7. Mechanism Investigations of the Endo Cycloisomerization of Alkynols through Isolation and Characterization of Ruthenium Complexes from the Reactions of Alkynes with a Ruthenium Complex [O] . Liu Pei Nian, Wen Ting Bin, Ju Kun Dong, 2011

机译：从炔烃与钌配合物的反应中分离和表征钌配合物，对炔醇的内酯环内异构化机理的研究

Reactions of Metallacyclopentadiene with Terminal Alkynes: Isolation and Characterization of Metallafulvenallene Complexes

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