Electronic and steric effects of platinum(ii) di-yne and poly-yne substituents on the photo-switching behaviour of stilbene: Experimental and theoretical insights

Idris Juma Al-Busaidi; Ashanul Haque; John Husband; Nawal K. Al Rasbi; Osama K. Abou-Zied; Rayya Al Balushi; Muhammad S. Khan; Paul R. Raithby

doi:10.1039/d0dt03502e

Electronic and steric effects of platinum(ii) di-yne and poly-yne substituents on the photo-switching behaviour of stilbene: Experimental and theoretical insights

Idris Juma Al-Busaidi, Ashanul Haque, John Husband, Nawal K. Al Rasbi, Osama K. Abou-Zied, Rayya Al Balushi, Muhammad S. Khan, Paul R. Raithby

Research output: Contribution to journal › Article › peer-review

5 Citations (SciVal)

Abstract

A series of mono-, di-, and poly(platina-ynes) incorporating stilbene spacer units with the formulae trans-[R-CC-Pt(PBu3)2-CC-R] (R = (E)-1,2-diphenylethene), trans-[(Ph)-(Et3P)2PtCC-R-CCPt(PEt3)2(Ph)] (R = (E)-1,2-diphenylethene), and trans-[-(PnBu3)2PtCC-R-CC-]n (R = (E)-1,2-diphenylethene), respectively, have been synthesized and characterized to explore the effects of ligand topology on the photoisomerization and photophysical properties of these materials. The structural and photophysical properties of the complexes have been investigated and compared with those of the previously reported mono-, di- and poly(platina-ynes) incorporating azobenzene spacers. We found that the organometallic species 1M, 2M and 1P undergo topology-dependent reversible trans-to-cis photoisomerization in CH2Cl2 solution. Computational modelling supported the experimental findings. This journal is

Original language	English
Pages (from-to)	2555-2569
Number of pages	15
Journal	Dalton Transactions
Volume	50
Issue number	7
Early online date	25 Jan 2021
DOIs	https://doi.org/10.1039/d0dt03502e
Publication status	Published - 21 Feb 2021

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry.

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Copyright 2021 Elsevier B.V., All rights reserved.

ASJC Scopus subject areas

Inorganic Chemistry

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10.1039/d0dt03502eLicence: CC BY

Cite this

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title = "Electronic and steric effects of platinum(ii) di-yne and poly-yne substituents on the photo-switching behaviour of stilbene: Experimental and theoretical insights",

abstract = "A series of mono-, di-, and poly(platina-ynes) incorporating stilbene spacer units with the formulae trans-[R-CC-Pt(PBu3)2-CC-R] (R = (E)-1,2-diphenylethene), trans-[(Ph)-(Et3P)2PtCC-R-CCPt(PEt3)2(Ph)] (R = (E)-1,2-diphenylethene), and trans-[-(PnBu3)2PtCC-R-CC-]n (R = (E)-1,2-diphenylethene), respectively, have been synthesized and characterized to explore the effects of ligand topology on the photoisomerization and photophysical properties of these materials. The structural and photophysical properties of the complexes have been investigated and compared with those of the previously reported mono-, di- and poly(platina-ynes) incorporating azobenzene spacers. We found that the organometallic species 1M, 2M and 1P undergo topology-dependent reversible trans-to-cis photoisomerization in CH2Cl2 solution. Computational modelling supported the experimental findings. This journal is ",

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AU - Al-Busaidi, Idris Juma

AU - Haque, Ashanul

AU - Husband, John

AU - Al Rasbi, Nawal K.

AU - Abou-Zied, Osama K.

AU - Al Balushi, Rayya

AU - Khan, Muhammad S.

AU - Raithby, Paul R.

PY - 2021/2/21

Y1 - 2021/2/21

N2 - A series of mono-, di-, and poly(platina-ynes) incorporating stilbene spacer units with the formulae trans-[R-CC-Pt(PBu3)2-CC-R] (R = (E)-1,2-diphenylethene), trans-[(Ph)-(Et3P)2PtCC-R-CCPt(PEt3)2(Ph)] (R = (E)-1,2-diphenylethene), and trans-[-(PnBu3)2PtCC-R-CC-]n (R = (E)-1,2-diphenylethene), respectively, have been synthesized and characterized to explore the effects of ligand topology on the photoisomerization and photophysical properties of these materials. The structural and photophysical properties of the complexes have been investigated and compared with those of the previously reported mono-, di- and poly(platina-ynes) incorporating azobenzene spacers. We found that the organometallic species 1M, 2M and 1P undergo topology-dependent reversible trans-to-cis photoisomerization in CH2Cl2 solution. Computational modelling supported the experimental findings. This journal is

AB - A series of mono-, di-, and poly(platina-ynes) incorporating stilbene spacer units with the formulae trans-[R-CC-Pt(PBu3)2-CC-R] (R = (E)-1,2-diphenylethene), trans-[(Ph)-(Et3P)2PtCC-R-CCPt(PEt3)2(Ph)] (R = (E)-1,2-diphenylethene), and trans-[-(PnBu3)2PtCC-R-CC-]n (R = (E)-1,2-diphenylethene), respectively, have been synthesized and characterized to explore the effects of ligand topology on the photoisomerization and photophysical properties of these materials. The structural and photophysical properties of the complexes have been investigated and compared with those of the previously reported mono-, di- and poly(platina-ynes) incorporating azobenzene spacers. We found that the organometallic species 1M, 2M and 1P undergo topology-dependent reversible trans-to-cis photoisomerization in CH2Cl2 solution. Computational modelling supported the experimental findings. This journal is

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Electronic and steric effects of platinum(ii) di-yne and poly-yne substituents on the photo-switching behaviour of stilbene: Experimental and theoretical insights

Abstract

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ASJC Scopus subject areas

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Applying Long-Lived Metastable States in Switchable Functionality via Kinetic Control of Molecular Assembly

Avance III 400 MHz Nuclear Magnetic Resonance (NMR) Spectrometer (9West)

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Electronic and steric effects of platinum(ii) di-yne and poly-yne substituents on the photo-switching behaviour of stilbene: Experimental and theoretical insights

Abstract

Bibliographical note

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Projects

Applying Long-Lived Metastable States in Switchable Functionality via Kinetic Control of Molecular Assembly

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Avance III 400 MHz Nuclear Magnetic Resonance (NMR) Spectrometer (9West)

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