On-demand Triplet-sensitized Photoswitching of Arylazopyrazoles-Reference-Cited by-同舟云学术

On-demand Triplet-sensitized Photoswitching of Arylazopyrazoles

Published:2023-08-04 Issue:9 Volume:52 Page:727-731
ISSN:0366-7022
Container-title:Chemistry Letters
language:en
Short-container-title:

Author:

Morikawa Masa-aki¹²,Mizuno Miko¹,Harada Naoyuki¹,Kimizuka Nobuo¹²³

Affiliation:

1. Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395 , Japan

2. Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395 , Japan

3. Research Center for Negative Emissions Technologies, Kyushu University (K-NETs), 744 Moto-oka, Nishi-ku, Fukuoka 819-0395 , Japan

Abstract

Abstract Triplet-sensitized Z-to-E photoisomerization of arylazopyrazole derivatives was achieved with red-light excitation of Pd(II) meso-tetraphenyltetrabenzoporphyrin (PdTPTBP) in deaerated DMSO solution. The triplet energy gap between the sensitizer and the arylazopyrazoles affects the apparent rate of Z-to-E photoisomerization. On-demand photoswitching of arylazopyrazoles proceeds facilely and reversibly with almost 100% efficiency despite the endothermic triplet energy transfer processes.

Publisher

Oxford University Press (OUP)

Subject

General Chemistry

Link

https://academic.oup.com/chemlett/article-pdf/52/9/727/56205310/cl.230281.pdf

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