1-ethyl-3-(3-(2-(isopropylsulfinylmethyl)-4-oxo-1,3,8-triazaspiro[4.5]dec-1-ene-8-carbonyl)benzo[b]thiophen-2-yl)urea trifuoroacetate 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
以45%的产率得到1-ethyl-3-(3-(2-(isopropylsulfonylmethyl)-4-oxo-1,3,8-triazaspiro[4.5]dec-1-ene-8-carbonyl)benzo[b]thiophen-2-yl)urea trifluoroacetate