(1S,3aS,5S,7aS,8R)-8-Hydroxy-5,7,7-trimethyl-hexahydro-1,5-methano-indene-3,6-dione 、
对甲苯磺酸 以
苯 为溶剂,
反应 10.0h,
生成 (1R,4R,7S,8S)-2,9,9-trimethyltricyclo[5.3.0.0
4,8]dec-2-ene-5,10-dione 、 Toluene-4-sulfonic acid (1S,3aS,5S,7aS,8R)-5,7,7-trimethyl-3,6-dioxo-octahydro-1,5-methano-inden-8-yl ester