Pd/Cu-cocatalyzed reigoselective arylation of thiazole derivatives at 2-position under ligand-free conditions

Gu Jian; Cai Chun

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Pd/Cu-cocatalyzed reigoselective arylation of thiazole derivatives at 2-position under ligand-free conditions

机译：在无配体条件下，在2-位的噻唑衍生物的Pd / Cu-Cocatalyzed芳族淀粉化

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摘要

An efficient protocol for regioselective arylation of thiazole derivatives at the 2-position via palladium-and copper-catalyzed C-H bond activation under ligand-free conditions has been developed. The reaction proceeds smoothly with 1% palladium catalyst in the presence of 20% Cu(TFA)(2) to furnish the desired products. The direct C-H arylation and no ligand made this method synthetically useful for the arylation of thiazoles at the 2-position.

机译：已经开发了通过钯 - 和铜催化的C-H键活化在配体条件下通过钯和铜催化的C-H键活化的高效方案芳衍生物的高效方案。反应在20％Cu（TFA）（2）的存在下，在20％Cu（TFA）（2）的情况下，用1％钯催化剂进行。直接C-H芳基化和无配体使该方法合成可用于噻唑在2位的芳族化。

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来源
《RSC Advances》 |2015年第69期|共5页
作者
Gu Jian; Cai Chun;
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Nanjing Univ Sci &

Technol Chem Engn Coll Nanjing 210094 Jiangsu Peoples R China;

Nanjing Univ Sci &

Technol Chem Engn Coll Nanjing 210094 Jiangsu Peoples R China;

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正文语种 eng
中图分类化学;
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1. Pd/Cu-cocatalyzed reigoselective arylation of thiazole derivatives at 2-position under ligand-free conditions [J] . Gu Jian, Cai Chun RSC Advances . 2015,第69期

机译：在无配体条件下，在2-位的噻唑衍生物的Pd / Cu-Cocatalyzed芳族淀粉化
2. Pd/AlO(OH): A Heterogeneous, Stable and Recyclable Catalyst for N-Arylation of Aniline Under Ligand-Free Aerobic Condition [J] . Babu Sundaram Ganesh, Emayavaramban Balakumar, Jerome Peter, Catalysis Letters . 2017,第10期

机译：Pd / AlO（OH）：在无氧的有氧条件下，用于苯胺的N-芳基化的非均相，稳定和可回收的催化剂
3. Direct C-H bond (Hetero)arylation of thiazole derivatives at 5-position catalyzed by N-heterocyclic carbene palladium complexes at low catalyst loadings under aerobic conditions [J] . Ma Bei-Bei, Lan Xiao-Bing, Shen Dong-Sheng, Journal of Organometallic Chemistry . 2019,第期

机译：在有氧病症下在低催化剂载体下在低催化剂载体下催化的5位催化噻唑衍生物的C-H键（杂）芳基化合物的直接C-H键（异质）芳族化合物
4. Palladium-Catalyzed CH Arylation of Thiazole Derivatives [C] . Daiki Monguchi, Takayuki Miyaoku, Nobumichi Arai Symposium on Organometallic Chemistry . 2008

机译：钯催化的噻唑衍生物的Ch芳族化
5. Approaches to the total synthesis of (+/-)-pseudomonic acids. Model studies and reagent development in stereo- and regiocontrolled Pd-catalyzed alkylations and arylations of allylic alcohol derivatives. [D] . Brescia, Marc-Raleigh. 1997

机译：（+/-）-假单仲酸的全合成方法。立体和区域控制的Pd催化烯丙基醇衍生物的烷基化和芳基化的模型研究和试剂开发。
6. Photo-Assisted Synthesis of a Pd–Ag@CQD Nanohybridand Its Catalytic Efficiency in Promoting the Suzuki–MiyauraCross-Coupling Reaction under Ligand-Free and Ambient Conditions [O] . Rajarshi Bayan, Niranjan Karak, * 2017

机译：Pd–Ag @ CQD纳米杂化物的光辅助合成及其催化铃木宫浦的催化效率无配体和环境条件下的交叉偶联反应
7. Regiospecificity in Ligand-Free Pd-Catalyzed C–H Arylation of Indoles: LiHMDS as Base and Transient Directing Group [O] . Yorck Mohr, Marc Renom-Carrasco, Clément Demarcy, 2020

机译：吲哚的无配体PD催化的C-H芳族化的细胞分子：LiHMDS作为基础和瞬态指导组

Pd/Cu-cocatalyzed reigoselective arylation of thiazole derivatives at 2-position under ligand-free conditions

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