Table 8.
Effect of reactor type on the yield of the reduction products 3a and 4a.
| Entry | Reactor type | Electrode distance/µm | Yield of 3a (%)b | Yield of 4 (%)b |
|
| ||||
| 1 | batch | 2 cm | 45 | 25 |
| 2 | flow | 40 µm | 77 | 20 |
aExperimental conditions: cathode, GC plate; anode, Pt plate; electricity, 2.15 F mol−1; current density, 12.7 mA cm−2; solvent, THF (10 mL each were used for batch and flow experiments.); substrate, 0.06 M benzylideneaniline (1) and 0.12 M 1,4-dibromobutane (2a); base added, 0.06 M DBU; supporting electrolyte, 0.14 M n-Bu4N∙ClO4; flow rate, 11 mL h−1 (residence time, 3.9 s). bDetermined by HPLC.