1 A green and effective route leading to antiradical agents with 3-arylmethyl 4-hydroxyquinolin-2(1H)- one moiety

Inese Mieriņa, Agnese Stikute, Māra Jure

1. GENERAL ............................................................................................................................................... 3 2. SYNTHESIS OF TARGET COMPOUNDS.................................................................................................. 3 3. COMPARISON OF THE PRICES FOR TRIETHYLAMMONIUM FORMATE AND THE HANTZSCH ESTER13 4. NMR STUDIES OF THE REACTION BETWEEN THE ALDEHYDE AND THE 4-HYDROXYQUINOLIN- 2(1H)-ONE ................................................................................................................................................... 14 5. ANTIRADICAL ACTIVITY ...................................................................................................................... 20 6. ANTIRADICAL ACTIVITY (KINETIC STUDIES) ....................................................................................... 20 7. ISOLATION OF THE REACTION PRODUCTS BETWEEN COMPOUND 12c,e AND DPPH ..................... 20 8. NMR SPECTRA FOR THE NEW COMPOUNDS ..................................................................................... 22 9. INHIBITION OF DPPH DEPENDING ON THE CONCENTRATION OF THE COMPOUND 12 .................. 60 10. INHIBITION OF GO DEPENDING ON THE CONCENTRATION OF THE COMPOUND 12 .................. 63 11. CORRELATION BETWEEN THE INHIBITION OF DPPH AND SUBSTITUENT ELECTRONIC EFFECTS . 66 12. KINETIC CURVES FOR THE REACTION BETWEEN DPPH AND COMPOUND 12c (IN VARIOUS SOLVENTS) .................................................................................................................................................. 67 13. CORRELATION BETWEEN REACTION (12c + DPPH) RATE (CHARACTERIZED WITH LOG|SLOPE|) AND VARIOUS SOLVENT PARAMETERS ..................................................................................................... 80 14. KINETIC CURVES FOR THE REACTION BETWEEN DPPH AND COMPOUND 12c IN EtOH (IN PRESENCE OF VARIOUS ADDITIVES) .......................................................................................................... 86 15. KINETIC CURVES FOR THE REACTION BETWEEN DPPH AND COMPOUND 12e (IN VARIOUS SOLVENTS) .................................................................................................................................................. 96 16. CORRELATION BETWEEN REACTION (12e + DPPH) RATE (CHARACTERIZED WITH LOG|SLOPE|) AND VARIOUS SOLVENT PARAMETERS ................................................................................................... 114 17. KINETIC CURVES FOR THE REACTION BETWEEN DPPH AND COMPOUND 12c IN EtOH (IN PRESENCE OF VARIOUS ADDITIVES) ........................................................................................................ 120

Date
07.05.2022.
Keywords
1 A green and effective route leading to antiradical agents with 3-arylmethyl 4-hydroxyquinolin-2(1H)- one moiety
Hyperlink
https://ars.els-cdn.com/content/image/1-s2.0-S0040403922002660-mmc1.pdf