查询词典 chiral

Part II: Synthesis of chiral sulfinyl NADH models. Three synthetic routes are adopted, i.e.

第二部分：手性亚砜类辅酶NADH模型物的合成。

Results:The four stereoisomers of soman were well separated by the chiral capillary gas chromatographic column.

真正能实现梭曼 4个异构体分离测定的是手性毛细管柱的气相色谱或气质联用法。

The result demonstrated that β-cyclodextrin can be used as a convenient and effectual chiral solvating agent.

结果显示，对于布洛芬，β-环糊精是一个方便而有效的手性溶解剂。

A simple method for enantiomeric discrimination ofsecurinine using the chiral solvating agent--N-Phthalylalanine was established. Time course studies on

结果表明，光照、MS基本培养基、5％蔗糖浓度、16.11μM NAA和2.32μM KT的激素配比为愈伤组织生长和一叶萩碱积累的最适条件。

The effect of temperature(291K-313K) on the thermodynamic behavior of two racemic glycerin selenides on CDMPC chiral stationary phase was investigated with a mobile phase consisting of n-hexane/2-propanol(80/20,v/v).

在流动相组成为正己烷/异丙醇(80/20，v/v)，温度为291K-313K条件下，考察了2种结构相似的外消旋硒代甘油醚色谱手性拆分的热力学行为。

Two new chiral imidazoles with big conjugate system were synthesized, that is,-1-(-methylbenzyl)-2-benzene-4,5-dibenzene-imidazole and-1-(-methyl benzyI)-2-styrene-4,5-dibenzene-imidazole, whose salifying conditions were also briefly investigated.

设计并合成了两个新的含有手性单元和较大共轭体系的多取代咪唑：-1--2-苯基-4，5-二苯基咪唑和-1--2-苯乙烯基-4，5-二苯基咪唑，并对其成盐反应和条件进行了一些初步研究。

The 〓rew sense of-PTrMA was thought to beright-handed by following the direction of the chiral channel.

分子链呈右手螺旋构象，酯基的三个苯环为单方向旋转的螺旋链桨构象。19。

The experiment results indicate that higher phase splitting speed and extraction factor can be achieved when low-carbon alcohols such as n-butanol are used as organic solvents; by using five different N-carbobenzyloxy-L-amino acids as chiral ligands that are formated with Cu(superscript 2+) or Ni(superscript 2+), it is found that as a ligand, Z-Phe has a low extraction factor, while Z-Hyp, Z-Pro, Z-Glu, Z-Val have higher extraction factors, and among these, Z-Val has the highest distribution coefficient; pH value of extractant, when near to the PI of phenylalanine, helps to improve extraction resolution effect; temperature has no obvious effect on the resolution result.

结果表明：以低碳醇类正丁醇作有机稀释剂，所用5种N-苄氧羰基氨基酸（分别为Z-Phe、Z-Hyp、Z-Pro、Z-Glu、Z-Val）与Cu(上标 2+)或Ni(上标 2+)形成手性配位体后，以Z-Val作手性配体，萃取相pH值接近苯丙氨酸等电点时，萃取拆分效果最佳。

A series of 3,5-disubstituted chiral hydantoins were prepared from D-amino acid and phenyl isocyanate in mixed solvent, and the catalyst was then supported on macroporous adsorption resins.

摘 要：以混合溶剂法由D 氨基酸和异氰酸酯制备一系列3，5 二取代手性海因，用大孔吸附树脂作载体，制成固载型手性催化剂，并考察了不同结构手性海因化合物在3 苯氧基苯甲醛氰醇化反应中的催化活性。

Two chiral stationary phases, phenyl isocyanate teicoplanin CSP and 3,5-dimethylphenyl isocyanate teicoplanin CSP were prepared from the macrocyclic glycopeptide teicoplanin CSP using derivative agents, phenyl isocyanate or 3,5-dimethylphenyl isocyanate, respectively.

用大环抗生素替考拉宁手性固定相分别与3，5-二甲基苯基异氰酸酯和苯基异氰酸酯反应得到了两种新型的高效液相色谱手性固定相----3，5-二甲基苯基异氰酸酯替考拉宁手性固定相和苯基异氰酸酯替考拉宁手性固定相。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。