1: toluene-4-sulfonic acid / ethanol / 0.5 h / |Reflux
2: sodium tetrahydroborate; ethanol / 18 h / 0 - 20 °C
View Scheme
参考文献
Woo, L. W. Lawrence; Wood, Paul M.; Bubert, Christian; Thomas, Mark P.; Purohit, Atul; Potter, Barry V. L.
ChemMedChem, 2013 , vol. 8, # 5 p. 779 - 799