Benzyl 2-[3-chloro-5-[4-[2-(dimethylamino)ethyl]piperidin-1-yl]-2-(3-methoxyphenyl)-6-oxopyrazin-1-yl]acetate 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以94%的产率得到2-[3-Chloro-5-[4-[2-(dimethylamino)ethyl]piperidin-1-yl]-2-(3-methoxyphenyl)-6-oxopyrazin-1-yl]acetic acid