Table 4.
Entry | Substrate | Time (h) | Product | Yield (%)[b] | |
---|---|---|---|---|---|
1 | 16 | 7a | 0[c] | ||
2 | 15 | 7b | 33 | ||
3 | 18 | 7c [d] | 46[e] | ||
4 | 36 | 7d [d] | 30[f] |
A solution of 1 (0.2 mmol), Ru(bpz)3(PF6)2 (2 mol%), and 2a (5 equiv.) in 2 mL of CH3NO2 was degassed via freeze-pump-thaw cycles. The resulting solution was irradiated using an 18 W white LED.
Isolated yields.
Determined using GC-MS.
Major isomer shown.
2:1 cis:trans, determined by GC-MS.
4:1 cis:trans, determined by GC-MS.