Photochromic coumarin spiropyranes with switching of optical properties by lanthanide ions


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Coumarin spiropyrans with terminal carbohydrazide substituents were synthesized. UV irradiation of their solutions was found to initiate rearrangement into a deeply colored merocyanine form. In the presence of lanthanide cations, the obtained spiropyrans exhibited a “naked eye” chromogenic effect, accompanied by a change of the solution color from yellow to violet.

Sobre autores

O. Nikolaeva

Institute of Physical and Organic Chemistry, Southern Federal University

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090

O. Karlutova

Institute of Physical and Organic Chemistry, Southern Federal University

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090

K. Tikhomirova

Institute of Physical and Organic Chemistry, Southern Federal University

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090

Yu. Revinskii

Federal Research Center “Southern Scientific Center of the Russian Academy of Sciences”

Email: aled@ipoc.sfedu.ru
Rússia, 41 prosp. Chekhova, Rostov on Don, 344006

I. Dorogan

Institute of Physical and Organic Chemistry, Southern Federal University

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090

A. Dubonosov

Federal Research Center “Southern Scientific Center of the Russian Academy of Sciences”

Autor responsável pela correspondência
Email: aled@ipoc.sfedu.ru
Rússia, 41 prosp. Chekhova, Rostov on Don, 344006

V. Bren

Institute of Physical and Organic Chemistry, Southern Federal University

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090

A. Metelitsa

Institute of Physical and Organic Chemistry, Southern Federal University

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090

V. Minkin

Institute of Physical and Organic Chemistry, Southern Federal University; Federal Research Center “Southern Scientific Center of the Russian Academy of Sciences”

Email: aled@ipoc.sfedu.ru
Rússia, 194/2 prosp. Stachki, Rostov on Don, 344090; 41 prosp. Chekhova, Rostov on Don, 344006

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