methyl <(1'S,5a'S,9'R)-1',3',3',5a',9'-pentamethyl-2',3',5',5a',6',7',8',9'-octahydro-1H-benzinden-1'-yl>acetate 、
丁炔二酸二甲酯 反应 2.0h,
以0.090 g的产率得到(S)-4-((4E,7Z)-(R)-7,8-Bis-methoxycarbonyl-1,5-dimethyl-octa-4,7-dienyl)-3-methoxycarbonylmethyl-1,1,3-trimethyl-indan-5,6-dicarboxylic acid dimethyl ester