A general method for the selective reduction of ketones in the presence of enones.
作者:Dale E. Ward、Chung K. Rhee、Wajdi M. Zoghaib
DOI:10.1016/s0040-4039(00)80137-9
日期:——
Ketones can be reduced in the presence of conjugated enones by sodiumborohydride in 50% methanol in dichloromethane at −78°C. The selectivity is generally excellent. In favorable cases the reaction can be carried out at room temperature in dichloromethane with acetic acid as catalyst.