Ethyl 5-methyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate 、
单水氢氧化锂 在
5-methyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylic acid 、
甲醇 、
水 、
甲酸 作用下,
以to give 5-methyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylic acid (22) as a light brown solid (2.1 mg, 14%)的产率得到5-methyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylic acid