[2-[[(4-methoxy-2,6-dimethylphenyl)sulfonyl]methylamino]ethoxy]acetic acid 、
3-(piperidin-1-ylmethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
以5.5%的产率得到4-Methoxy-N,2,6-trimethyl-N-(2-(2-oxo-2-(3-(piperidin-1-ylmethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)ethoxy)ethyl)benzene-sulfonamide