1: 89 percent / 18-crown-6; oxone; aq. NaHCO3 / acetone; CH2Cl2 / 16 h / 0 °C
2: 89 percent / KHMDS / toluene / 1 h / -60 °C
3: 98 percent / (COCl)2; DMSO; Et3N / CH2Cl2 / -78 - 20 °C
View Scheme
参考文献
Gruijters, Bas W. T.; Van Veldhuizen, Albertus; Weijers, Carel A. G. M.; Wijnberg, Joannes B. P. A.
Journal of Natural Products, 2002 , vol. 65, # 4 p. 558 - 561
