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光氧化还原催化的Heck反应——从钌（II）-双（三联吡啶）配合物到氧化石墨烯的空穴转移。

A photoredox catalysed Heck reaction hole transfer from a Ru(ii)-bis(terpyridine) complex to graphene oxide.

作者信息

Rosenthal Marta, Lindner Jörg K N, Gerstmann Uwe, Meier Armin, Schmidt W Gero, Wilhelm René

机构信息

Department of Chemistry, University of Paderborn Warburgerstr. 100 33098 Paderborn Germany.

Department Physics, Experimental Physics, University of Paderborn Warburgerstr. 100 33098 Paderborn Germany.

出版信息

RSC Adv. 2020 Nov 25;10(70):42930-42937. doi: 10.1039/d0ra08749a. eCollection 2020 Nov 23.

DOI:10.1039/d0ra08749a
PMID:35514879
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9058128/
Abstract

The attachment of homoleptic Ru bis-terpy complexes on graphene oxide significantly improved the photocatalytic activity of the complexes. These straightforward complexes were applied as photocatalysts in a Heck reaction. Due to covalent functionalization on graphene oxide, which functions as an electron reservoir, excellent yields were obtained. DFT investigations of the charge redistribution revealed efficient hole transfer from the excited Ru unit towards the graphene oxide.

摘要

均配型钌双三联吡啶配合物附着在氧化石墨烯上显著提高了配合物的光催化活性。这些简单的配合物被用作Heck反应中的光催化剂。由于在作为电子库的氧化石墨烯上进行了共价功能化，获得了优异的产率。电荷重新分布的密度泛函理论研究表明，激发态的钌单元向氧化石墨烯发生了有效的空穴转移。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/d9d86e5a129c/d0ra08749a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/d8c31944ba89/d0ra08749a-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/1f2fd863f10e/d0ra08749a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/57650cabf990/d0ra08749a-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/9736f4ec4866/d0ra08749a-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/d9d86e5a129c/d0ra08749a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/d8c31944ba89/d0ra08749a-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/1f2fd863f10e/d0ra08749a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/57650cabf990/d0ra08749a-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/9736f4ec4866/d0ra08749a-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2edf/9058128/d9d86e5a129c/d0ra08749a-f2.jpg

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