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Copper-Free One-Pot Sonogashira-Type Coupling for the Efficient Preparation of Symmetric Diarylalkyne Ligands for Metal-Organic Cages

25 January 2021, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Bipyridine- and benzimidazole-based ligands for the self-assembly of Co4L6 cages were synthesised in short reaction times and high isolated yields directly from aryl halide precursors using a copper-free one-pot Sonogashira-type coupling. This one-pot method circumvents the often time-consuming and challenging ligand synthesis for the preparation and application of cages.


Keywords

supramolecular chemistry
metal-organic cage
One-Pot
Sonogashira-type couplings
Ligand Synthesis

Supplementary materials

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21.1.22 Copper Free One Pot Sonogashira Type Coupling SI Chemrxiv
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Now Published

Copper‐Free One‐Pot Sonogashira‐Type Coupling for the Efficient Preparation of Symmetric Diarylalkyne Ligands for Metal‐Organic Cages** [opens in a new tab]
Marc Lehr, Tobias Paschelke, Victoria Bendt, André Petersen, Lorenz Pietsch, Patrick Harders, Anna J. McConnell journal article
European Journal of Organic Chemistry , Volume 2021, Issue 19
Online publication date: Apr, 2021

Version History

Jan 25, 2021 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.13625783.v1
D O I: 10.26434/chemrxiv.13625783.v1 [opens in a new tab]

Funding

Deutsche Forschungsgemeinschaft (DFG, project numbers 413396832 and 429518153)

Author’s competing interest statement

No conflict of interest

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