MICRO CHIRAL REGULATION CELLULOSE CHROMATOGRAPHY STATIONARY PHASE, PREPARATION METHOD AND USE THEREOF
申请人:The Fourth Military Medical University
公开号:US20160215070A1
公开(公告)日:2016-07-28
The present invention discloses a cellulose derivative shown as formula (I), which is obtained as follows: the hydroxyl at position
6
of microcrystalline cellulose is protected with triphenylchloromethane, and then reacted with acyl chloride or isocyanate. After the protection of the hydroxyl at positions 2 and 3 of microcrystalline cellulose, triphenylmethyl is removed under acidic conditions to expose the hydroxyl at position
6.
Finally, the hydroxyl at position
6
is chiral derivatized with amino acid acyl chloride or polypeptide acyl chloride, to obtain a micro chiral regulation cellulose derivative. The micro chiral regulation cellulose derivative thus obtained is coated onto the surface of a silica gel support, to form a chiral stationary phase, which is filled in a stainless steel column to form a chiral column for the separation of various different types of chiral compounds. The preparation method of the present invention is not only efficient and convenient, but also safe and reliable. The chiral column thus formed has stable performance, high separation efficiency, and is suitable for large scale production.
本发明公开了一种纤维素衍生物,如式(I)所示,其制备方法如下:首先,使用三苯基氯甲烷保护微晶纤维素的6号位羟基,然后与酰氯或异氰酸酯反应。在保护微晶纤维素的2号位和3号位羟基后,使用酸性条件下去除三苯甲基,以暴露6号位羟基。最后,使用氨基酸酰氯或多肽酰氯对6号位羟基进行手性衍生,以获得微观手性调控纤维素衍生物。所得的微观手性调控纤维素衍生物被涂覆在硅胶支撑体表面上,形成手性固定相,填充在不锈钢柱中形成手性柱,用于分离各种不同类型的手性化合物。本发明的制备方法不仅高效便捷,而且安全可靠。因此形成的手性柱具有稳定的性能、高分离效率,适合大规模生产。