2-cyclopentyl-2,6-dimethyl-7-chloroindan-1,5-diol 、
potassium carbonate 、
溴乙酸乙酯 、 、
sodium hydroxide 在
(1-Hydroxy-2-cyclopentyl-2,6-dimethyl-7-chloro-5-indanyloxy)-acetic Acid 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以there is obtained (1-hydroxy-2-cyclopentyl-2,6-dimethyl-7-chloro-5-indanyloxy)acetic acid的产率得到(1-Hydroxy-2-cyclopentyl-2,6-dimethyl-7-chloro-5-indanyloxy)-acetic Acid