(2E,7E,9E)-11-Methyl-6-trimethylsilanyloxy-dodeca-2,7,9-trienoic acid methyl ester 在
苯磺酰胺 作用下,
以
甲苯 为溶剂,
生成
methyl 1α-hydroxy-5β-(2-propyl)-2,3,3aα,4,5,7aα-hexahydro-1H-indene-4α-carboxylate 、
methyl 1α-hydroxy-5α-(2-propyl)-2,3,3aα,4,5,7β-hexahydro-1H-indene-4α-carboxylate 、 methyl 1β-hydroxy-5β-(2-propyl)-2,3,3aα,4,5,7aα-hexahydro-1H-indene-4α-carboxylate 、 methyl 1β-hydroxy-5α-(2-propyl)-2,3,3aα,4,5,7aα-hexahydro-1H-indene-4α-carboxylate