Table 1.
Entry | [PhN2]BF4 (equiv) |
Additive (equiv) |
Yield[b] |
---|---|---|---|
1 | 2 | None | 31% |
2 | 4 | None | 49% |
3 | 4 | Ag2CO3 (0.10) | 84% |
4[c] | 4 | Ag2CO3 (0.10) | 0% |
5[d] | 4 | Ag2CO3 (0.10) | 8% |
6[e] | 4 | Ag2CO3 (0.10) | 5% |
General conditions: Pd(OAc)2 (0.1 equiv), Ru(bpy)3Cl2•6H2O (0.025 equiv), MeOH (0.1 M in substrate), rt, 4 h, 26 W compact fluorescent light bulb.
Calibrated yields determined by gas chromatographic analysis of the crude reaction mixtures.
General conditions, but with no Pd(OAc)2.
General conditions, but with no Ru(bpy)3Cl2•6H2O.
General conditions, but with no light.