Syntheses of Diarylethenes by Perylene-catalyzed Photodesulfonylation from Ethenyl Sulfones

Syntheses of Diarylethenes by Perylene-catalyzed Photodesulfonylation from Ethenyl Sulfones

Diarylethenes were obtained from the corresponding ethenyl sulfones by photocatalyzed desulfonylation using UV or blue LEDs. When perylene and i-Pr2NEt were used as a photocatalyst and a sacrificing reagent, respectively, this desulfonylation proceeded smoothly to afford the desired ethenes with the...

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Veröffentlicht in:Chemistry letters 2020-04, Vol.49 (4), p.409-412
Hauptverfasser: Watanabe, Hikaru, Takemoto, Mai, Adachi, Kazumasa, Okuda, Yasuhiro, Dakegata, Aki, Fukuyama, Takahide, Ryu, Ilhyong, Wakamatsu, Kan, Orita, Akihiro
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Functional groups
Reagents
Sulfones
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container_end_page 412
container_issue 4
container_start_page 409
container_title Chemistry letters
container_volume 49
creator Watanabe, Hikaru
Takemoto, Mai
Adachi, Kazumasa
Okuda, Yasuhiro
Dakegata, Aki
Fukuyama, Takahide
Ryu, Ilhyong
Wakamatsu, Kan
Orita, Akihiro
description Diarylethenes were obtained from the corresponding ethenyl sulfones by photocatalyzed desulfonylation using UV or blue LEDs. When perylene and i-Pr2NEt were used as a photocatalyst and a sacrificing reagent, respectively, this desulfonylation proceeded smoothly to afford the desired ethenes with the functional groups such as chloro, alkoxy and heteroaromatic rings remaining untouched. The use of a flow photoreactor enabled this desulfonylation to proceed more rapidly to finish in an hour of residence time.
doi_str_mv 10.1246/cl.200046
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source Oxford University Press Journals All Titles (1996-Current)
subjects Functional groups
Reagents
Sulfones
title Syntheses of Diarylethenes by Perylene-catalyzed Photodesulfonylation from Ethenyl Sulfones
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