A coloring tool for spiropyrans: Solid state metal-organic complexation: Versus salification

Vanessa Kristina Seiler, Koen Robeyns, Nikolay Tumanov, Dominik Cinčić, Johan Wouters, Benoit Champagne, Tom Leyssens

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

In this work, we examine the nature of the spiropyran/merocyanine metal interaction in the solid state and highlight its various linking possibilities. A ring opening isomerisation of spiropyran results in the colored merocyanine, which is only rarely observed in the solid state. Introducing metal salts (ZnCl2, ZnBr2, and CoCl2) to four different spiropyran compounds (i.e. 1,3,3-trimethylindolinobenzopyrylospiran, 1,3,3-trimethylindolino-β-naphthopyrylospiran, 1,3,3-trimethylindolino-8′-methoxybenzopyrylospiran, and 1,3,3-trimethylindolino-6′-nitrobenzopyrylospiran) leads successfully to the stabilisation of merocyanine. The ability to form different interactions as a complex, salt or a mixed form was discovered as well as the requirement of different synthetic pathways. Changing the solid form has a strong impact on the absorption properties, resulting in a tool which allows coloring of spiropyrans in the solid state covering a large scale spectrum from red to green.

langue originaleAnglais
Pages (de - à)4925-4933
Nombre de pages9
journalCrystEngComm
Volume21
Numéro de publication33
Les DOIs
étatPublié - 10 juil. 2019

Empreinte digitale

Coloring
Complexation
Metals
solid state
metals
salts
Salts
isomerization
coverings
Isomerization
stabilization
interactions
requirements
Stabilization
rings
spiropyran
merocyanine

Citer ceci

Seiler, Vanessa Kristina ; Robeyns, Koen ; Tumanov, Nikolay ; Cinčić, Dominik ; Wouters, Johan ; Champagne, Benoit ; Leyssens, Tom. / A coloring tool for spiropyrans : Solid state metal-organic complexation: Versus salification. Dans: CrystEngComm. 2019 ; Vol 21, Numéro 33. p. 4925-4933.
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abstract = "In this work, we examine the nature of the spiropyran/merocyanine metal interaction in the solid state and highlight its various linking possibilities. A ring opening isomerisation of spiropyran results in the colored merocyanine, which is only rarely observed in the solid state. Introducing metal salts (ZnCl2, ZnBr2, and CoCl2) to four different spiropyran compounds (i.e. 1,3,3-trimethylindolinobenzopyrylospiran, 1,3,3-trimethylindolino-β-naphthopyrylospiran, 1,3,3-trimethylindolino-8′-methoxybenzopyrylospiran, and 1,3,3-trimethylindolino-6′-nitrobenzopyrylospiran) leads successfully to the stabilisation of merocyanine. The ability to form different interactions as a complex, salt or a mixed form was discovered as well as the requirement of different synthetic pathways. Changing the solid form has a strong impact on the absorption properties, resulting in a tool which allows coloring of spiropyrans in the solid state covering a large scale spectrum from red to green.",
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A coloring tool for spiropyrans : Solid state metal-organic complexation: Versus salification. / Seiler, Vanessa Kristina; Robeyns, Koen; Tumanov, Nikolay; Cinčić, Dominik; Wouters, Johan; Champagne, Benoit; Leyssens, Tom.

Dans: CrystEngComm, Vol 21, Numéro 33, 10.07.2019, p. 4925-4933.

Résultats de recherche: Contribution à un journal/une revueArticle

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AU - Seiler, Vanessa Kristina

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AU - Champagne, Benoit

AU - Leyssens, Tom

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AB - In this work, we examine the nature of the spiropyran/merocyanine metal interaction in the solid state and highlight its various linking possibilities. A ring opening isomerisation of spiropyran results in the colored merocyanine, which is only rarely observed in the solid state. Introducing metal salts (ZnCl2, ZnBr2, and CoCl2) to four different spiropyran compounds (i.e. 1,3,3-trimethylindolinobenzopyrylospiran, 1,3,3-trimethylindolino-β-naphthopyrylospiran, 1,3,3-trimethylindolino-8′-methoxybenzopyrylospiran, and 1,3,3-trimethylindolino-6′-nitrobenzopyrylospiran) leads successfully to the stabilisation of merocyanine. The ability to form different interactions as a complex, salt or a mixed form was discovered as well as the requirement of different synthetic pathways. Changing the solid form has a strong impact on the absorption properties, resulting in a tool which allows coloring of spiropyrans in the solid state covering a large scale spectrum from red to green.

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