反应条件
1: 1.) NaH / 1.) THF, 24 h, 2.) THF, 2 d 2: TsOH / methanol / 8 h / 80 °C 3: 1.) oxalyl chloride, DMSO, 2.) Et3N / 1.) CH2Cl2, -78 deg C, 45 min, 2.)CH2Cl2, 0 deg C, overnight View Scheme
参考文献
Yamamoto, Yoshinori; Chounan, Yukiyasu; Nishii, Shinji; Ibuka, Toshiro; Kitahara, Haruo
Journal of the American Chemical Society, 1992 , vol. 114, # 20 p. 7652 - 7660
