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首页> 外文期刊>Journal of Surfactants and Detergents >O-Etherification Between Glycerol and Glycerol Monooleate-Demonstrationof Formation of Diglycerol Monooleate and Triglycerol Monooleate by Fast Atom Bombardment-Mass Spectroscopy and `(13)C Nuclear magnetic Resonance
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O-Etherification Between Glycerol and Glycerol Monooleate-Demonstrationof Formation of Diglycerol Monooleate and Triglycerol Monooleate by Fast Atom Bombardment-Mass Spectroscopy and `(13)C Nuclear magnetic Resonance

机译：甘油和甘油单油酸酯之间的O-醚化-通过快速原子轰击质谱和'（13）C核磁共振证明了甘油单油酸酯和甘油三酸酯的形成

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摘要

To prepare glycerol monooleate, we reacted ~j~’cerol with oleic acid in the presence of a Ki 411 sulfonic acid ~~in in the H~ form. We utilized glycerol monooleate as an iniulsifying agent, as it is a nonionic surfactant that is compati-Me~ith the initially biphasic reaction medium. If the expected pod uct does not form, small amounts of a highly polar com-pound are produced. Both diglycerol monooleate and triglyc-aol monooleate were isolated by preparative chromatography ~i a silica column (hexane/chloroform/acetone, 25:50:50), and ue’e formally identified by fast atom bombardment (FAB)—mass ~wc~roscopy in positive mode. The products were polyglycerol mnonoesters. The nature of the products was confirmed by the u~e of different FAB matrices with or without cationization by alkali metals. The structure of the product was then confirmed3C nuclear magnetic resonance. We can now propose a new method of polyglycerol ester preparation that yields inter-~ting nonionic emulsifying agents.
机译：为了制备甘油单油酸酯，我们在Ki 411磺酸存在下以H〜形式使甘油与油酸反应。我们利用甘油单油酸酯作为增容剂，因为它是一种非离子型表面活性剂，与最初的双相反应介质相容。如果预期的豆荚未形成，则会产生少量的高极性化合物。通过制备色谱法在硅胶柱（己烷/氯仿/丙酮，25：50：50）上分离甘油单油酸酯和甘油三醇单酸酯，并通过快速原子轰击（FAB）正式鉴定-质谱在积极模式。产物是聚甘油单酸酯。通过使用不同的FAB基质（通过或不通过碱金属阳离子化）来确认产品的性质。然后证实产物的结构是3 C核磁共振。现在我们可以提出一种制备聚甘油酯的新方法，该方法可以产生相互间的非离子乳化剂。

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