1-[5-Chloro-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-2-propyn-1-ol 在
manganese dioxide 作用下,
以
氯仿 为溶剂,
以to give 1-[5-chloro-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-2-propyn-1-one (0.99 g, 100%) as a pale yellow solid的产率得到1-[5-Chloro-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-2-propyn-1-one