| Autor: |
Guda, Mallikarjuna R., Valieva, Maria I., Kopchuk, Dmitry S., Aluru, Rammohan, Khasanov, Albert F., Taniya, Olga S., Novikov, Alexander S., Zyryanov, Grigory V., Ranu, Brindaban C. |
| Předmět: |
|
| Zdroj: |
Journal of Fluorescence; Mar2024, Vol. 34 Issue 2, p579-586, 8p |
| Abstrakt: |
A series of α-cycloamine substituted 2,2'-bipyridines 3ae'-3ce' was obtained via the one-pot approach based on ipso-substitution of a cyano-group in 1,2,4-triazines, followed by aza-Diels–Alder reaction in good yields. Photophysical properties, including fluorosolvatochromism, were studied for 3ae'-3ce' and were compared with α-unsubstituted 2,2'-bipyridines. In addition, dipole moments differences in ground and excited states were calculated by both Lippert-Mataga equation and DFT studies and were compared to each other. The correlation between the size of cycloamine unit and the dipole moments differences value (based on Lippert-Mataga equation) was observed. In addition charge transfer indices (DCT, Λ, H and t) were calculated to demonstrate influence of molecular structure on the intramolecular charge transfer degree. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
|
Full text from SpringerLink