ethyl 2-[2-({(2E)-3-cyclopentyl-2-[4-(cyclopropylsulfonyl)phenyl]-2-propenoyl}amino)-1,3-thiazol-4-yl]-2-hydroxyacetate 在
manganese dioxide 作用下,
以
二氯甲烷 为溶剂,
反应 40.0h,
以ethyl 2-[2-({(2E)-3-cyclopentyl-2-[4-(cyclopropylsulfonyl)phenyl]-2-propenoyl}amino)-1,3-thiazol-4-yl]-2-oxoacetate (82 mg) was obtained as a colorless oily substance的产率得到ethyl 2-[2-({(2E)-3-cyclopentyl-2-[4-(cyclopropylsulfonyl)phenyl]-2-propenoyl}amino)-1,3-thiazol-4-yl]-2-oxoacetate