2-Acetylamino-2,3,5,8-tetrahydro-1H-cyclopenta[b]naphthalene-2,6,7-tricarboxylic acid ethyl ester dimethyl ester 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
苯 为溶剂,
生成 2-acetylamino-2,3-dihydro-1H-cyclopenta[b]naphthalene-2,6,7-tricarboxylic acid 2-ethyl ester 6,7-dimethyl ester