Palladium-Catalyzed Carbonylation for General Synthesis of Aurones Using CO 2

Palladium-Catalyzed Carbonylation for General Synthesis of Aurones Using CO 2

The carbonylation of alkynes using CO to generate aurones is to date unknown. In this study, a palladium-catalyzed carbonylation of terminal aromatic alkynes and the waste hydrosilane, poly(methylhydrosiloxane) (PMHS), is carried out with 2-iodophenol using CO to produce aurones. A variety of termin...

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Veröffentlicht in:ChemSusChem 2023-05, Vol.16 (10), p.e202202365
Hauptverfasser: Huang, Zijun, Li, Yudong, Zhou, Jiaxing, Zhang, Yi, Wu, Jiacheng, Wu, Yongkai, Zhang, Fan, Fang, Zhengjun, Li, Yuehui
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container_issue 10
container_start_page e202202365
container_title ChemSusChem
container_volume 16
creator Huang, Zijun
Li, Yudong
Zhou, Jiaxing
Zhang, Yi
Wu, Jiacheng
Wu, Yongkai
Zhang, Fan
Fang, Zhengjun
Li, Yuehui
description The carbonylation of alkynes using CO to generate aurones is to date unknown. In this study, a palladium-catalyzed carbonylation of terminal aromatic alkynes and the waste hydrosilane, poly(methylhydrosiloxane) (PMHS), is carried out with 2-iodophenol using CO to produce aurones. A variety of terminal alkynes and substituted 2-iodophenols are transformed into aurones in good yields. Preliminary mechanistic studies indicate that silyl formate, generated from CO and PMHS, plays a crucial role in the carbonylation reaction.
doi_str_mv 10.1002/cssc.202202365
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title Palladium-Catalyzed Carbonylation for General Synthesis of Aurones Using CO 2
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