反应条件
1: 93 percent / CF3COOH / CH2Cl2 / 0.25 h
2: 1.) DCC, 1-hydroxybenzotriazole / 1.) DMF, 0 deg C, 15 min, 2.) DMF, CH2Cl2, 0 deg C, 90 min; room temp., 5 h
3: 82 percent / 0.5 N NaOH / methanol / 0.5 h
View Scheme
参考文献
Dietzgen, Ralf G.; Sander, Evamarie; Christner, Juergen; Jung, Guenther
Zeitschrift fuer Naturforschung, B: Chemical Sciences, 1987 , vol. 42, # 4 p. 441 - 453
