计算溶液所需的质量、体积或浓度。
提供 ≥95% 纯度,适用于对基线干扰要求严格的色谱和分析工作流程。
2-8°C储存。低温运输 。请查阅批次 COA 获取详细规格。
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Description
3-Methyl-3-(2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl)-1,5-dioxaspiro[5.5]undecane-2,4-dione is a substituted Meldrum′s acid derivative. It can be prepared by reacting octafluorotoluene with 3-methyl-1,5-dioxaspiro[5.5]undecane-2,4- dione.This compound undergoes cycloreversion to form the fluoro(hetero)aryl ketene, which undergoes efficient coupling with nucleophiles and allows rapid incorporation of highly fluorinated α-fluoro(hetero)aryl acetic acid derivatives.