Research Article

T i O 2 Nanoparticles-Photocatalytic Oxidation of Selected Cycloalkanols

Table 2

Photocatalytic Oxidation of the Investigated Ketones 4ā€“6:

Exp.SubstrateSolventsTime (hrs)Conv. (%)Products (No,%)

7Cyclohexanone (4)CH3CN2019.81,4-Cyclohexadione (7, 4.1), 2-Cyclohexenone (9, 1.4), 2-Hydroxycyclohexanone (10, 0.3) n-Hexanoic acid (11, 6.2), 5-Hexenal (16, 3.5), 4-Hydroxycyclohexanone (17, 3.8).

8Cyclopentanone (5)CH3CN2026.3n-Pentanoic acid (13, 15.9), 4-Pentenal (23, 10.4).

9Cycloheptanone (6)CH3CN2029.9n-heptanoic acid (15, 6.8), 6-Heptenal (27, 4.1), 4-Hydroxycycloheptanone (28, 7.8), 1,4-Cycloheptanedione (29, 7.8), 2-Hydroxycycloheptanone (30, 3.4).