An optically active substance consisting of perfluoro-2-alkoxy carboxylic acid or its derivative represented by the following general formula: ##STR1## where R.sub.f and R.sub.f ' are the same or different perfluoroaliphatic groups, X is a halogen or hydroxyl group, and C is a chiral carbon atom, the above carboxylic acid or its derivative being useful for an analytical reagent for optically active compounds, such as a chiral derivatizing agent for the .sup.19 F NMR or gas chromatographic analysis.
一种具有光学活性的物质,由下面的通用公式所代表的
全氟-2-烷氧基
羧酸或其衍
生物组成:##STR1## 其中 R.sub.f 和 R.sub.f ' 是相同或不同的
全氟脂肪基团,X 是卤素或羟基,C 是手性碳原子,上述
羧酸或其衍
生物可用作光学活性化合物的
分析试剂,例如用作.sup.19 F NMR或气相
色谱分析的手性衍生试剂。