[2r]-Piperazine-2-carboxylic acid di-(r)-camphor-10-sulfonic acid salt 、 [2R]-4-t-butoxycarbonyl-1-heptyl-2-hydroxymethylpiperazine 、
三氟乙酸 、 以
二氯甲烷 为溶剂,
以gave an oil (0.275 g)的产率得到[2R]-1-heptyl-4-[2-(R,S)-hydroxy-2-(6-methoxyquinolin-4-yl)ethyl]-2-hydroxymethylpiperazine