tert-butyl 4-(4-(7-(6-cyano-5-methylpyridin-3-yl)-8-oxo-6-thioxo-5,7-diazaspiro[3.4]octan-5-yl)phenoxy)piperidine-1-carboxylate 在
methanol-dichloromethane 作用下,
以
甲醇盐酸 为溶剂,
反应 16.0h,
以to provide 230 mg of 3-methyl-5-(8-oxo-5-(4-(piperidin-4-yloxy)phenyl)-6-thioxo-5,7-diazaspiro[3.4]octan-7-yl)picolinonitrile as a white solid的产率得到3-methyl-5-[5-oxo-8-[4-(4-piperidyloxy)phenyl]-7-thioxo-6,8-diazaspiro[3.4]octan-6-yl]pyridine-2-carbonitrile