2,2-dimethyl-4-oxo-7-hepten-3-ol 、
环戊二烯 在
zinc(II) chloride 作用下,
以
甲苯 为溶剂,
反应 16.0h,
生成 (S)-2-Hydroxy-3,3-dimethyl-1-((R)-3-methyl-bicyclo[2.2.1]hept-5-en-2-yl)-butan-1-one 、
(S)-2-Hydroxy-3,3-dimethyl-1-((1R,2R,3S,4S)-3-methyl-bicyclo[2.2.1]hept-5-en-2-yl)-butan-1-one 、
(S)-2-Hydroxy-3,3-dimethyl-1-((1S,2S,3R,4R)-3-methyl-bicyclo[2.2.1]hept-5-en-2-yl)-butan-1-one