1-(3,3-diethoxypropyl)-2,3-dihydro-1H-inden-1-ol 在
(S)-3,3'-bis(2,4,6-tri-iso-propylphenyl)-1,1'-binaphthyl-2,2'-diyl hydrogenphosphate 作用下,
以
苯 为溶剂,
反应 20.0h,
生成 (1'R,5R)-5-ethoxy-2',3',4,5-tetrahydro-3H-spiro[furan-2,1'-indene] 、 (1'R,5S)-5-ethoxy-2',3',4,5-tetrahydro-3H-spiro[furan-2,1'-indene] 、 (1'S,5R)-5-ethoxy-2',3',4,5-tetrahydro-3H-spiro[furan-2,1'-indene]