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可见光照耀下,从偶氮苯钌芳烃配合物中解笼的 PPh 引发钯催化交叉偶联反应。

Visible-Light-Initiated Palladium-Catalyzed Cross-coupling by PPh Uncaging from an Azobenzene Ruthenium-Arene Complex.

机构信息

Université Paris-Saclay, ENS Paris-Saclay, CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, 91190, Gif-sur-Yvette, France.

Université Paris-Saclay, CNRS, Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), 91405, Orsay Cedex, France.

出版信息

Chemistry. 2022 Jul 20;28(41):e202200519. doi: 10.1002/chem.202200519. Epub 2022 Jun 10.

DOI:10.1002/chem.202200519
PMID:35543416
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9400985/
Abstract

Photo-release of triphenylphosphine from a sulfonamide azobenzene ruthenium-arene complex was exploited to activate Pd Cl into Pd catalyst, for the photo-initiation of Sonogashira cross-coupling. The transformation was initiated on demand - by using simple white LED strip lights - with a high temporal response and the ability to control reaction rate by changing the irradiation time. Various substrates were successfully applied to this photo-initiated cross-coupling, thus illustrating the wide functional-group tolerance of our photo-caged catalyst activator, without any need for sophisticated photochemistry apparatus.

摘要

利用磺酰胺偶氮苯钌芳烃配合物中三苯基膦的光释放,将 PdCl 激活为 Pd 催化剂,用于光引发 Sonogashira 交叉偶联反应。通过使用简单的白色 LED 灯带按需引发转化,反应具有高时间响应性,并能够通过改变辐照时间来控制反应速率。该光引发交叉偶联反应可成功应用于各种底物,因此说明了我们光笼催化剂活化剂具有广泛的官能团耐受性,而无需复杂的光化学仪器。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/23ff6a3112aa/CHEM-28-0-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/e0468ca59b13/CHEM-28-0-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/89214f4199fb/CHEM-28-0-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/b8f6d18b28d1/CHEM-28-0-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/b87911830ad9/CHEM-28-0-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/8e3023fb2459/CHEM-28-0-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/23ff6a3112aa/CHEM-28-0-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/e0468ca59b13/CHEM-28-0-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/89214f4199fb/CHEM-28-0-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/b8f6d18b28d1/CHEM-28-0-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/b87911830ad9/CHEM-28-0-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/8e3023fb2459/CHEM-28-0-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c310/9400985/23ff6a3112aa/CHEM-28-0-g001.jpg

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本文引用的文献

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