Methyl 2-[4-(4,4-dimethylcyclohex-1-en-1-yl)-2-methyl-5-(pyridin-4-yl)thiophen-3-yl]-2-oxoacetate 、 Sodium tetraborohydride 、
四氢呋喃 在
盐酸 、
乙酸乙酯 、 Brine 、
Sodium sulfate-III 、 crude product 、 cyclohexane, ethyl acetate 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以to afford the transesterified product ethyl 2-[4-(4,4-dimethylcyclohex-1-en-1-yl)-2-methyl-5-(pyridin-4-yl)thiophen-3-yl]-2-hydroxyacetate (64c) (80 mg, 0.21 mmol, 47%) as a white solid的产率得到Ethyl 2-[4-(4,4-dimethylcyclohex-1-en-1-yl)-2-methyl-5-(pyridin-4-yl)thiophen-3-yl]-2-hydroxyacetate