enantioselectivity

Biological systems have many attractive features that include versatility , substrate selectivity , regioselectivity , chemoselectivity , enantioselectivity and catalysis at ambient temperatures and pressures .

生物学体系有许多吸引人的特征，包括多功能性、底物选择性、立构选择性、化学选择性、对映选择性以及在室温和常压下的催化作用。

Attractive features of biocatalysis including high efficiency , versatility , substrate selectivity , regioselectivity , chemoselectivity , enantioselectivity and catalysis under mild conditions are reviewed .

生物催化吸引人的特征包括高效性、多样性、底物专一性、区域选择性、化学选择性、对映选择性以及温和的反应条件。

A New Method for Evaluation of Enantioselectivity of Reversible Kinetic Resolution

评价可逆动力学拆分反应对映选择性方法

The effect of reactor operation modes on enantioselectivity of enzymatic kinetic resolution

反应器操作方式对酶动力学拆分立体选择性的影响

The activity , enantioselectivity and stability of enzymes in organic solvents

有机相中酶的活性、对映体选择性和稳定性

Effect of the Structures of Chiral Stationary Phases on Enantioselectivity

手性固定相的结构对氨基酸对映体分离的影响

Effect of Reaction Parameters on Reactivity and Enantioselectivity of Lipase-catalyzed Esterification

反应条件对脂肪酶酯化活性和对映选择性的影响

Progress in Improving the Asymmetric Enantioselectivity of Lipase for Catalyzing Asymmetric Reaction

脂肪酶不对称立体选择性能改善的研究进展

Improvement of Enantioselectivity in Lipase-catalyzed Reaction by Low-temperature method

低温方法改进脂肪酶催化反应中对映选择性的研究进展

The polymeric catalyst could be recycled for 5 times with the same enantioselectivity .

20℃下催化剂循环使用5次后，仍能保持相近的对映体选择性。

The research on the enantioselectivity of pesticides leads to the precise assessment of ecosystem and human health .

研究其环境行为有助于准确评价生态系统和人体健康的风险性。

High enantioselectivity with an ee value up to 97 % was achieved under very mild conditions .

在温和条件下，取得了ee值达到了97%。

Effect of Surfactants on lipase Activity and Enantioselectivity

表面活性剂对脂肪酶活性和选择性的影响

In this paper , some methods of controlling the enantioselectivity of biorecluction were introduced .

本文以生物还原反应为例，介绍一些控制反应对映选择性的方法。

A small amount of 18_Crown_6 could increase both the esterification rate and the enantioselectivity .

添加少量的18Crown6能提高酯化反应速率和对映体选择性；

The reaction scope of substrates was also explored under the optimal condition and high enantioselectivity and high yields were obtained .

并在该优化条件下，进一步对反应底物进行了拓展研究，得到了较高的对映选择性和较高的产率。

However , the match between planar chirality and central chirality is critical for high enantioselectivity .

此外，发现中心手性起到了决定产物ee值和绝对构型的作用，平面手性和中心手性的匹配在取得高对映选择性上是重要的。

Control factors of enantioselectivity in lipase-catalyzed chiral resolutions

脂肪酶促手性拆分中立体选择性的调控因素

The influence of solvent , additive and temperature etc on the reactivity and enantioselectivity were optimized systematically .

系统考察了溶剂，添加剂，温度等因素对反应活性和选择性的影响。

Compared with crystalline Pd catalyst , higher enantioselectivity is attained over Pd-B catalysts .

与晶态的Pd催化剂相比，非晶态Pd-B催化剂上可以获得更高的对映体选择性。

The changes of enzyme activity and enantioselectivity in non-aqueous system were correlated with the property parameters of the organic solvents .

将非水相酶催化过程中酶催化活性、对映体选择性的变化与有机溶剂的性质参数进行了关联。

It is noteworthy that this reaction exhibits higher enantioselectivity than that for the corresponding aldehyde .

值得注意的是，该反应比相应醛的反应具有更高的对映选择性。

Studies showed that the specific activity and enantioselectivity of lipase could be improved remarkably by adding some electrolytes into the reaction system .

研究表明，某些电解质的加入可显著提高脂肪酶在有机溶剂体系中的酶活和选择性。

In this paper , the affecting factor and improvement of activity , enantioselectivity and stability of enzymes in organic solvents are reviewed .

本文综述了有机相中酶的活性、对映体选择性和稳定性的影响因素与可能的改进方法。

Influence of Temperature and Flow Rate on Enantioselectivity About Derivative β - Cyclodextrin Bonded Stationary Phase in Normal-Phase Liquid Chromatography

正相条件下温度和流速对衍生化环糊精键合手性高效液相色谱固定相立体异构体选择性的影响

There is an urgent and challenging problem : how to achieve high enantioselectivity of C-H asymmetric functionalization .

其中存在着一个亟待解决而又具有挑战性的问题：如何实现高对映体选择性的不对称C-H官能团化。

Interestingly , increasing the alkyl chain length of AAIL cation remarkably enhanced the enantioselectivity .

我们发现随着AAIL阳离子上烷基链长度增加，对映体选择性显著增加。

The concentration of β - cyclodextrin and D-tartaric ester had visible effect on the enantioselectivity .

D-酒石酸酯和β-环糊精浓度对萃取拆分的影响较大。

Similar results displayed in the in vitro monocytes model and significant enantioselectivity existed in immunotoxicity induced by BF enantiomers .

在单核细胞体外模型中，联苯菊酯同样显示了免疫毒性作用，两个对映异构体在氧化损伤和细胞毒性的诱导上都显示出明显的对映体差异。

The thiazolidine ligands with aromatic substituents on C-2 position provided relatively poor enantioselectivity .

而C-2位芳基取代的噻唑烷酸及醇配体的催化性能则略差。