Table 1.
Substrate | Product | Time (h) | Conv. (%) | Yield (%) |
---|---|---|---|---|
72 | 78 | 36 | ||
64 | 86 | 51 | ||
92 | 62 | 20 | ||
87 | 55 | 36 |
Reaction conditions: Starting material (1.0 mmol), catalyst C627 (2 mol %); dichloromethane (1.67 M). The reaction mixture was refluxed under nitrogen atmosphere.