[2-(6-ethyl-7,8-dihydro-6H-9-oxa-1,2,3a,4,6-pentaazacyclopenta[a] naphthalene-3-yl)quinolin-8-yl]carbamic acid tert-butyl ester 在
Amberlyst
15 作用下,
以
甲醇 为溶剂,
以90%的产率得到2-(6-ethyl-7,8-dihydro-6H-9-oxa-1,2,3a,4,6-pentaazacyclopenta[a] naphthalene-3-yl)quinolin-8-ylamine