拆分剂
- 网络resolving agent;resolution agent
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苯甲酰氯和D酒石酸反应生成D2,3二苯甲酰酒石酸酐,后者于丙酮水溶液中水解得到拆分剂D2,3二苯甲酰酒石酸。
The resolving reagent , D-2,3-dibenzoyl tartaric acid was obtained by hydrolyzation of D-2,3-dibenzoyl tartaric anhydride prepared by reaction of benzoyl chloride with D-tartaric acid .
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胺类拆分剂从水溶液中拆分外消旋有机酸的研究
Resolution of Racemic Acids in Aqueous Solution with Amine Resolving Agents
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另外,由于脱氢枞胺中存在天然手性碳,因而它可以作为优良的光学拆分剂。
It can also be used as chiral resolution agent .
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以苯乙胺和苯甲醛为原料合成了光学活性拆分剂N-苄基苯乙胺。
The optical activity resolving agent N-Benzyl-a-methylbenzylamine was synthesized by benzene procedures and benzaldehyde .
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β-环糊精及其衍生物是一类广泛用于手性分离的手性拆分剂。
It has been reported that β - cyclodextrin and its derivatives are a class of commonly used chiral selectors in chiral capillary electrophoresis .
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D-苯丙氨酸:以DL-苯丙氨酸为原料,D-酒石酸为拆分剂,水杨醛为催化剂,在丙酸中反应得到D-苯丙氨酸·D-酒石酸。
D-phenylalanine : D-phenylalanine · D-tartaric acid was synthesized by reaction of DL-phenylalanine and D-tartaric acid in the presence of salicylaldehyde in propionic acid .
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α-苯乙胺的光学对映体可以作为手性合成的手性源或手性助剂,也可以作为某些外消旋有机醇或酸的拆分剂。
The optical enantiomers of a-phenylethylamine can be used as chiral pools and chiral auxiliaries , and it also can be used in the resolutions of some organic alcohols and acids .
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D(-)-酒石酸主要应用于化工和制药行业,是重要的手性辅助剂、医药拆分剂、手性食品添加剂和手性营养物质添加剂。
D ( - ) - tartaric acid , mainly used in chemical and pharmacy industry , is an important chiral auxiliary reagent , resolving reagent , food additive and nutritional feed additive .
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用手性α苯乙胺为拆分剂通过化学拆分以较好的收率制备了可作为手性液晶材料的光学活性反式1(4烷基环己基)醇,光学纯度达90%~>99%。
Optically active trans-1 - ( 4-alkylcyclohexyl ) alcohols widely used in chiral liquid crystal materials were prepared via chemical resolution with commercially available chiral α - methylbenzylamine in excellent enantiomeric excess of 90 % to > 99 % .
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方法用毛细管区带电泳技术,以中性环糊精作为氨甲蝶呤拆分选择剂,对环糊精浓度、缓冲液浓度、pH值、电泳温度和改性剂浓度等分离条件进行优化。
Methods By using capillary zone electrophoresis with nature cyclodextrin , we optimized various factors such as concentration of buffer , cyclodextrin and modifier , pH , voltage and temperature .
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目前对于毛细管电泳手性拆分的研究主要集中在各种手性拆分剂的开发及实验条件的最优化选择上,β-环糊精及其衍生物是一类最常用于毛细管电泳的手性拆分剂。
At present , the study of chiral capillary electrophoresis has been focused on the development of various chiral selectors and the optimization of separation experiment conditions .
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拆分采用非对映异构体拆分方法,在有机溶剂中用酒石酸为拆分剂,得到S型。
Resolution of the use of non-resolution of enantiomers methods used in organic solvents tartaric acid for the separation agent , to be S-type .