tert-butyl 4-[(6-{5-[(2-hydroxyethyl)sulfonyl]-2,3-dihydro-1H-indol-1-yl}pyrimidin-4-yl)oxy]piperidine-1-carboxylate 在
二乙胺基三氟化硫 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以39%的产率得到tert-butyl 4-[(6-{5-[(2-fluoroethyl)sulfonyl]indolin-1-yl}pyrimidin-4-yl)oxy]piperidine-1-carboxylate