The resolution of DL p hydroxyphenylglycine into its D and L isomers was studied by using aromatic sulfonic acid as resolving agent and water as solvent.
以水为溶剂，取代芳磺酸为拆分剂，用诱导结晶法，经成盐、拆分、水解过程，将DL-对羟基苯甘氨酸拆分成D-对羟基苯甘氨酸。
It is found that the solubility of dl-p-HPGS is very small in pure acetone and in the solvent with low water content.
在纯丙酮和低含水量的混合溶剂中，对羟基苯甘氨酸硫酸盐溶解度很低。
The invention relates to a technology for purifying DL-p-hydroxyphenylglycine, which belongs to the field of the production of pharmaceutical and chemical intermediates.
本发明DL-对羟基苯甘氨酸纯化技术属医药化工中间体生产领域。
The membranes were then used in the electrodialysis resolution process to separate DL-4-hydroxyphenylglycine racemic mixture.
将其用于拆分DL-对羟基苯甘氨酸外消旋混合物的电渗析过程。
The membranes were then used in the electrodialysis resolution process to separate DL-4-hydroxyphenylglycine racemic mixture.
将其用于拆分DL-对羟基苯甘氨酸外消旋混合物的电渗析过程。
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