4-[3-(4-tert-butoxycarbonylaminopyridin-3-yl)propenyl]-3-oxopiperazine-1-carboxylic acid tert-butyl ester 、 4-[3-(4-tert-butoxycarbonylaminopyridin-3-yl)allyl]-3-oxopiperazine-1-carboxylic acid tert-butyl ester 在
10% palladium on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 4.0h,
生成
4-[3-(4-tert-butoxycarbonylaminopyridin-3-yl)propyl]-3-oxopiperazine-1-carboxylic acid tert-butyl ester