1,1-dimethylethyl 4-hydroxy-4-{[6-(methyloxy)-1,5-naphthyridin-4-yl]ethynyl}-1-piperidinecarboxylate 在
钯 silica 、
甲醇 、
二氯甲烷 、
ammonium hydroxide 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以yielding the title compound as a clear oil (450 mg, 57%)的产率得到1,1-dimethylethyl 4-hydroxy-4-{2-[6-(methyloxy)-1,5-naphthyridin-4-yl]ethyl}-1-piperidinecarboxylate