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- W2354089739 abstract "p-Phthaloyl amino acid is a sort of surface-active agent.Taking p-phthalyl alcohol and leucine as raw material,p-phthaloyl leucine was obtained by nonhomogeneous reaction.The optimum conditions for the reaction were:molar ratio of the p-phthalyl alcohol and leucine was 1∶2.4,the p-phthalyl alcohol was slowly added into leucine solution,the pH of the solution was kept within 8～9 during the reaction,the reaction temperature was controlled at 10～15℃.After 2 hours,the pH of the solution was adjusted to 3～4 by hydrochloric acid in order to transformed the sodium salt to the acid.The precipitate was collected by filtration under reduced pressure.The yield was 76%." @default.
- W2354089739 created "2016-06-24" @default.
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- W2354089739 date "2005-01-01" @default.
- W2354089739 modified "2023-09-25" @default.
- W2354089739 title "Research on synthesis of p-phthaloyl leucine" @default.
- W2354089739 hasPublicationYear "2005" @default.
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