反应条件
sulfuric acid; ammonium chloride 1.) THF, -78 deg C, to RT, 3 h, 2.) THF, RT, 10 h; Yield given. Multistep reaction;
参考文献
Hosomi, Akira; Kohra, Shinya; Tominaga, Yoshinori; Shoji, Masataka; Sakurai, Hideki
Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 4 p. 1663 - 1665