Water → HCID 52950664, 화합물

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A solution of sodium hydroxide (1N, 438 μL, 0.44 mmol) was added to a suspension of (E)-ethyl 2-(2-oxo-6-(3-oxo-3-(3-(thiophen-2-ylmethoxy)azetidin-1-yl)prop-1-enyl)-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)acetate (100 mg, 0.22 mmol) in methanol (5 mL) at room temperature. The reaction mixture was refluxed for 15 minutes then poured into cold water. The resulting precipitate was filtered and washed with diethyl ether. The title product was obtained as a white solid (53.5 mg, 54%).

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