(2-amino-5,6-dihydro-4H-cyclopenta[b]thiophen-3-yl)-(4-methanesulfonyl-phenyl)-methanone 、
三氟乙酰丙酮 在
硫酸 乙腈 作用下,
以
溶剂黄146 为溶剂,
反应 0.33h,
以Preparative HPLC (30% CH3CN/H20) afforded 18 mg (27%) 2,2,2-trifluoro-1-[4-(4-methanesulfonyl-phenyl)-2-methyl-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-b]pyridin-3-yl)-ethanone as a light brown solid的产率得到2,2,2-trifluoro-1-[4-(4-methanesulfonyl-phenyl)-2-methyl-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-b]pyridin-3-yl]-ethanone