K. V. Agliulin, A. V. Stepanov, V. N. Yarovenko, M. M. Krayushkin, E. V. Tretyakov, D. I. Nasyrova, V. V. Ilyushenkova, A. O. Ayt, T. M. Valova, “Synthesis, structure and properties of spin-labeled photosensitive chromone derivative”, Mendeleev Commun., 2024, Volume 34, Issue 6,Pages <nobr>828

Communications

Synthesis, structure and properties of spin-labeled photosensitive chromone derivative

K. V. Agliulin^ab, A. V. Stepanov^a, V. N. Yarovenko^a, M. M. Krayushkin^a, E. V. Tretyakov^a, D. I. Nasyrova^a, V. V. Ilyushenkova^a, A. O. Ayt^b, T. M. Valova^b

^a N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
^b National Research Centre 'Kurchatov Institute', Moscow, Russian Federation

Abstract: A new hybrid chromone derivative bearing α-bromofuryl, p-(iminomethyl)benzoyl and 2,2,6,6-tetramethylpiperidin-1- oxyl moieties was synthesized by the azomethine reaction involving 4-amino-TEMPO. The benzoyl moiety in this paramagnetic molecule is almost perpendicular to the chromone plane. Having been exposed to UV light, this paramagnet undergoes a transformation accompanied by appearance of intense absorption and luminescence bands with maxima at 420 and 500 nm, respectively, i.e., the presence of paramagnetic moiety does not interfere with generation of fluorescence.

Keywords: stable radicals, nitroxides, chromones, photorearrangements, luminescence.

Language: English

DOI: 10.1016/j.mencom.2024.10.019

	*Supplementary materials:*
		Supplementary_data_1.pdf	2.1 Mb