sodium hydroxide 、
5-thenoyl-6-hydroxy-indane-1-carboxylic acid 、 、
甲醇 以Analogously to the description in Example 2, 4.0 g of 5-thenoyl-6-hydroxy-indane-1-carboxylic acid methyl ester and 20 ml of 2 N sodium hydroxide solution in 50 ml of methanol give 5-thenoyl-6-hydroxy-indane-1-carboxylic acid of melting point 183°-184° C. (from ethyl acetate/petroleum ether)的产率得到5-thenoyl-6-hydroxy-indane-1-carboxylic acid methyl ester