(5'S)-5'-methyl-N-[4-(methylsulfonyl)benzyl]-4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]-2'-carboxamide 、
[2-methyl-6-(trifluoromethyl)-3-pyridyl]methyl methanesulfonate 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
生成 (5'S)-5'-methyl-N-[4-(methylsulfonyl)benzyl]-1-{[2-methyl-6-(trifluoromethyl)pyridin-3-yl]methyl}-4',5'-dihydrospiro[piperidine-4,7'-thieno[2,3-c]pyran]-2'-carboxamide