Synthesis and Activity of Six-Membered Cyclic Alkyl Amino Carbene-Ruthenium Olefin Metathesis Catalysts

Samkian Adrian E.; Xu Yan; Virgil Scott C.; Yoon Ki-Young; Grubbs Robert H.

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Synthesis and Activity of Six-Membered Cyclic Alkyl Amino Carbene-Ruthenium Olefin Metathesis Catalysts

机译：六元环烷基氨基碳钌烯烃复分解催化剂的合成与活性

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Ru-cyclic alkyl amino carbene (Ru-CAAC) olefin metathesis catalysts perform extraordinarily in metathesis macrocyclization and ethenolysis, but previous studies have been limited to the use of five-membered CAAC (CAAC-5) ligands. In this work, we synthesized a different group of ruthenium catalysts with more sigma-donating and pi-accepting six-membered CAAC (CAAC-6) ligands, and their metathesis activity was probed through initiation studies, ring-closing metathesis (RCM), cross-metathesis, and ethenolysis. These catalysts display higher initiation rates than analogous Ru-CAAC-5 complexes but demonstrate lower activity in RCM and ethenolysis.

机译：Ru环烷基氨基氨基氨基（Ru-Caac）烯烃复分解催化剂在复分解宏循环和梯度分解中表现出，但之前的研究仅限于使用五元Caac（Caac-5）配体。在这项工作中，我们合成了一种不同的钌催化剂，其具有更多的六元催化剂和PI接受的六元Caac（Caac-6）配体，并通过启动研究探测其复分解活性，闭合复分解（RCM），交叉复分解和素溶解。这些催化剂显示比类似Ru-Caac-5复合物更高的引发率，但在RCM和乙醇分解中表现出较低的活性。

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《Organometallics》 |2020年第4期|共5页
作者
Samkian Adrian E.; Xu Yan; Virgil Scott C.; Yoon Ki-Young; Grubbs Robert H.;
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CALTECH Arnold &

Mabel Beckman Labs Chem Synth Div Chem &

Chem Engn Pasadena CA 91125 USA;

CALTECH Arnold &

Mabel Beckman Labs Chem Synth Div Chem &

Chem Engn Pasadena CA 91125 USA;

CALTECH Arnold &

Mabel Beckman Labs Chem Synth Div Chem &

Chem Engn Pasadena CA 91125 USA;

CALTECH Arnold &

Mabel Beckman Labs Chem Synth Div Chem &

Chem Engn Pasadena CA 91125 USA;

CALTECH Arnold &

Mabel Beckman Labs Chem Synth Div Chem &

Chem Engn Pasadena CA 91125 USA;

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中图分类元素有机化合物;
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1. Synthesis and Activity of Six-Membered Cyclic Alkyl Amino Carbene-Ruthenium Olefin Metathesis Catalysts [J] . Samkian Adrian E., Xu Yan, Virgil Scott C., Organometallics . 2020,第4期

机译：六元环烷基氨基碳钌烯烃复分解催化剂的合成与活性
2. Towards Sustainable Catalysis - Highly Efficient Olefin Metathesis in Protic Media Using Phase Labelled Cyclic Alkyl Amino Carbene (CAAC) Ruthenium Catalysts [J] . Nagyhazi Marton, Turczel Gabor, Balla Aron, ChemCatChem . 2020,第7期

机译：朝着可持续催化 - 使用相标记的环烷基氨基甲苯（CAAC）钌催化剂的质子介质中高效烯烃复分解
3. Origin of the Breakthrough Productivity of Ruthenium-Cyclic Alkyl Amino Carbene Catalysts in Olefin Metathesis [J] . Daniel L. Nascimento, Deryn E. Fogg Journal of the American Chemical Society . 2019,第49期

机译：烯烃复分解中钌环烷基氨基碳烯催化剂突破性生产的起源
4. Synthesis of (imido)vanadium-alkylidene complexes and their use as catalysts for ring-opening metathesis polymerization of cyclic olefins [C] . Xiaohua Hou 旭川大会石油・石油化学討論会 . 2014

机译：（Imido）钒 - 烷基复合物的合成及其用作环烯烃的开环复分解聚合催化剂
5. Synthesis and activity of ruthenium carbene complexes as reusable catalyst for olefin metathesis (Part I). Carbamoylsilane synthesis: Their reactivity and mechanism in the addition of electrophilically substituted alkenes. [D] . Rodriguez Motta, Adalie. 2005

机译：钌卡宾配合物的合成及其作为烯烃复分解的可重复使用催化剂的活性（第一部分）。氨基甲酰基硅烷的合成：在添加亲电子取代的烯烃后，它们的反应性和机理。
6. Synthesis and Reactivity of Olefin Metathesis Catalysts Bearing Cyclic (Alkyl)(Amino)Carbenes [O] . Donde R. Anderson, Vincent Lavallo, Daniel J. O’Leary, -1

机译：带有环状（烷基）（氨基）碳烯的烯烃复分解催化剂的合成与反应性
7. Synthesis and reactivity of olefin metathesis catalysts bearing cyclic (alkyl) (amino) carbenes [O] . Anderson Donde R., Lavallo Vincent, OLeary Daniel J., 2007

机译：带有环状（烷基）（氨基）碳烯的烯烃复分解催化剂的合成与反应性

Synthesis and Activity of Six-Membered Cyclic Alkyl Amino Carbene-Ruthenium Olefin Metathesis Catalysts

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