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Yang JH等[Synth Commun,2010,40:957]β-酮酸甲酯(乙酰乙酸甲酯或苯甲酰乙酸甲酯)在三氟化硼乙醚络合物催化下,与醇在甲苯中回流4~7h,可得相应
Yang JH, et al. [Synth Commun, 2010, 40: 957] methyl β-ketoacid (methyl acetoacetate or methyl benzoylacetate) is refluxed with alcohol in toluene catalyzed by boron trifluoride etherate 4 ~ 7h, available accordingly