Optical Configuration Effect on the Structure and Reactivity of Diastereomers Revealed by Spin Effects and Molecular Dynamics Calculations | Sciact - CRIS-система Института катализа

Optical Configuration Effect on the Structure and Reactivity of Diastereomers Revealed by Spin Effects and Molecular Dynamics Calculations Научная публикация

Журнал

International Journal of Molecular Sciences
ISSN: 1422-0067 , E-ISSN: 1661-6596

Вых. Данные

Год: 2022, Том: 23, Номер: 1, Номер статьи : 38, Страниц : 21 DOI: 10.3390/ijms23010038

Ключевые слова

chiral linked systems; diastereomers; hyperpolarization; electron transfer; spin selectivity; molecular dynamics; magnetic dipole–dipole interaction of electrons

Авторы

Ageeva Aleksandra A. ^1,2 , Doktorov Alexander B. ¹ , Selyutina Olga Yu. ¹ , Magin Ilya M. ^1,2 , Ilyina Margarita G. ³ , Borisevich Sophia S. ^3,4 , Rubtsov Ruslan Yu. ⁴ , Khursan Sergey L. ³ , Stepanov Alexander A. ¹ , Vasilevsky Sergey F. ¹ , Polyakov Nikolay E. ^1,2 , Leshina Tatyana V. ¹

Организации

1	Voevodsky Institute of Chemical Kinetics and Combustion, 630090 Novosibirsk, Russia
2	Department of Natural Sciences, Department of Physics, Novosibirsk State University, 630090 Novosibirsk, Russia
3	Ufa Institute of Chemistry, Ufa Federal Research Centre of the Russian Academy of Sciences, 450054 Ufa, Russia
4	The Institute of Problems of Chemical Physics of the Russian Academy of Sciences, 142432 Chernogolovka, Russia

The peculiarities of spin effects in photoinduced electron transfer (ET) in diastereomers of donor-acceptor dyads are considered in order to study the influence of chirality on reactivity. Thus, the spin selectivity—the difference between the enhancement coefficients of chemically induced dynamic nuclear polarization (CIDNP)—of the dyad’s diastereomers reflects the difference in the spin density distribution in its paramagnetic precursors that appears upon UV irradiation. In addition, the CIDNP coefficient itself has demonstrated a high sensitivity to the change of chiral centers: when one center is changed, the hyperpolarization of all polarized nuclei of the molecule is affected. The article analyzes the experimental values of spin selectivity based on CIDNP calculations and molecular dynamic modeling data in order to reveal the effect of optical configuration on the structure and reactivity of diastereomers. In this way, we succeeded in tracing the differences in dyads with L- and D-tryptophan as an electron donor. Since the replacement of L-amino acid with D-analog in specific proteins is believed to be the cause of Alzheimer’s and Parkinson’s diseases, spin effects and molecular dynamic simulation in model dyads can be a useful tool for investigating the nature of this phenomenon.

Ageeva A.A. , Doktorov A.B. , Selyutina O.Y. , Magin I.M. , Ilyina M.G. , Borisevich S.S. , Rubtsov R.Y. , Khursan S.L. , Stepanov A.A. , Vasilevsky S.F. , Polyakov N.E. , Leshina T.V.
Optical Configuration Effect on the Structure and Reactivity of Diastereomers Revealed by Spin Effects and Molecular Dynamics Calculations
International Journal of Molecular Sciences. 2022. V.23. N1. 38 :1-21. DOI: 10.3390/ijms23010038 WOS Scopus OpenAlex

Поступила в редакцию:	3 дек. 2021 г.
Принята к публикации:	20 дек. 2021 г.
Опубликована online:	21 дек. 2021 г.
Опубликована в печати:	1 янв. 2022 г.

Web of science:	WOS:000741199600001
Scopus:	2-s2.0-85121377301
OpenAlex:	W4200418378

БД	Цитирований
OpenAlex	4
Web of science	3
Scopus	4