({5-[Methyl-(4-pyrrolidin-1-yl-but-2-ynyl)-carbamoyl]-pentylcarbamoyl}-methyl)-carbamic acid tert-butyl ester 、
草酸 以
甲醇 为溶剂,
以87%的产率得到({5-[Methyl-(4-pyrrolidin-1-yl-but-2-ynyl)-carbamoyl]-pentylcarbamoyl}-methyl)-carbamic acid tert-butyl ester; compound with oxalic acid