反应条件
1: 1) LDA / 1) THF, HMPA, -78 deg C, 2) -78 deg C to -20 deg C, 2.5 h 2: 1) LDA, 2) MeOH / 1) THF, -20 deg C, 1 h, 2) -78 deg C 3: 1) LHMDS / 1) THF, HMPA 4: 91 percent / aq.LiOH / ethanol View Scheme
参考文献
Tomioka, Kiyoshi; Kanai, Motomu; Koga, Kenji
Tetrahedron Letters, 1991 , vol. 32, # 21 p. 2395 - 2398
