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Silver Trifluoroacetate Promoted Cycloisomerization of 3,5-diyn-1-ones: the direct observation of Ag intermediate and their application in synthesis

23 February 2022, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

A simple and mild method for silver trifluoroacetate promoted cycloisomerization of 3,5-diyn-1-ones provided 2-alkynyl furans, which can be further transformed into alkyne hydration or furan-based polycyclic products was developed. It was found that tri-fluoroacetate anion plays a crucial role in the cycloisomerization reaction, and the intermediate Ag-furan complex was first directly observed by 1H-NMR spectroscopy and mass spectrometry.

Keywords

Silver Trifluoroacetate
intermediate
alkynyl furan

Supplementary materials

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Description
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Title
SI-Silver Trifluoroacetate Promoted Cycloisomerization of 3,5-diyn-1-ones the direct observation of Ag intermediate and their application in synthesis
Description
SI for Silver Trifluoroacetate Promoted Cycloisomerization of 3,5-diyn-1-ones the direct observation of Ag intermediate and their application in synthesis
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Version History

Feb 23, 2022 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2022-cdnsx
D O I: 10.26434/chemrxiv-2022-cdnsx [opens in a new tab]

Funding

the National Natural Science Foundation of China
21772197

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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