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Issue 13, 2021

A ferrocene-based pseudopeptide chiroptical switch

Author affiliations

Abstract

We present a double-stranded ferrocene pseudopeptide 2b which exhibits stimuli responsive chirality inversion triggered by solvent exchange or acid addition. Compound 2b exists as a mixture of self-assembled fast exchanging oligomers which macroscopically behave as a chiroptical switch with two stable states. The ferrocene group inversion results in a distinct CD signal in the visible part of the spectrum. The inversion is accomplished through a conformational change due to a rearrangement of hydrogen bonding forcing the rotation of ferrocene rings.

Graphical abstract: A ferrocene-based pseudopeptide chiroptical switch

Supplementary files

Article information


Submitted
15 Feb 2021
Accepted
06 Mar 2021
First published
09 Mar 2021

Dalton Trans., 2021,50, 4504-4511
Article type
Paper

A ferrocene-based pseudopeptide chiroptical switch

S. Opačak, D. Babić, B. Perić, Ž. Marinić, V. Smrečki, B. Pem, I. Vinković Vrček and S. I. Kirin, Dalton Trans., 2021, 50, 4504 DOI: 10.1039/D1DT00508A

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