非手性

非手性芳香冠醚同β-环糊精配位时所诱导出的圆二色性（ICD）研究

Induced circular dichroism study in achiral aromatic crown ethers by complexing with β - cyclodextrin

人血清蛋白对非手性超分子的诱导及手性反转研究

CHIRAL INDUSTRY Chirotechnology Induced and inversion of the supramolecule of achiral cyanine dye by human serum albumin

催化剂48有一个P手性中心和一个非手性恶唑啉环。

Catalyst 48 has a P centre chirality and the oxazoline is an achiral ring .

事实上，现存的PCF都由非手性的材料制作而成，而手性PCF还没有得到应有的重视。

In fact , most of existing PCF are fabricated by achiral material while chiral PCF do not received adequate emphasis .

方法血浆样品经液液萃取后，用非手性手性HPLC联用法测定血浆中延胡索乙素对映体的浓度，配对t检验比较两对映体的血药浓度和药代动力学参数。

Methods The concentrations of tetrahydropalmatine enantiomers in rat plasma were determined by coupled achiral and chiral HPLC method . The differences in plasma concentrations and pharmacokinetic parameters between the two enantiomers were compared by paired t-test .

P3为非手性聚炔丙基酰胺，没有旋光性，但P3/PVB膜拉伸后就显示出旋光性。

P3 was achiral poly ( N-propargylamide ), and it had no optical activity , but after stretching , the composite film exhibited optical activity .

β&CDx主体分子不对称场诱导了非手性客体分子，使其产生了ICD谱。

We observed the ICD on the absorption bands of achiral substituted benzene molecules , which is considered to be induced by the dissymmetric field of the chiral β - CD_x host molecule .

采用非手性的C18色谱柱，通过在流动相中加入手性选择剂β-环糊精的方法实现西布曲明对映体的拆分。

By adding β - cyclodextrin as chiral selector into mobile phase , sibutramine enantiomers were separated using non-chiral C_ ( 18 ) column in high performance liquid chromatography ( HPLC ) .

非手性色谱分析用ODS柱（150mm×46mmid），以甲醇水（70∶30）为流动相；

Methods A high performance liquid chromatographic method with an ODS column ( 150 mm × 4 6 mm ID ) and a mobile phase of methanol water ( 70 ∶ 30 ) was used for racemic nimodipine assay .

在手性醇合成中，采用非手性柱气相色谱（CC）分析，结合反应前后诱导物和产物的比旋光度测定，简单方便地计算了比旋光增量；

N order to calculate the increment of specific rotation conveniently , we present an analytical method forthe synthesis of chiral alcohols , in which the GC assay combined with the determination of specific rotation both for inductor and product before and after the reaction is performed .

为了便于计数，取代冠醚的构型、手性构型和非手性构型的计数采用平面模型，并利用Polya计数定理求出其计数母函数，最后使用计算机计算，结果列表给出。

For convenience'sake , a plane model is applied in the enumerating of the configurations and Polya theorem is used to find out all the counting generating functions . The numerical results are given by computer and tabulated .

非手性席夫碱-异丙氧基铝引发外消旋丙交酯的立构选择性聚合

Stereoselective Polymerization of rac-Lactide Initiated by Achiral Schiff-base Isopropoxide Aluminum Complex

以非手性的席夫碱-异丙氧基铝（Ⅱ）引发外消旋丙交酯（rac-LA）的立构选择性聚合。

An achiral Schiff-base isopropoxide aluminum complex (ⅱ) was used for the stereoselective ring-opening polymerization of rac-lactide .

本文将综述通过非手性分子形成的手性晶体的固相反应进行的绝对不对称合成。

In the present review , we describe the asymmetric synthesis via the reactions of chiral crystals of achiral molecules .

一种高效的手性金属催化剂可能使非手性偶极试剂与非手性烯烃的反应具有良好的立体选择性。

The reaction of achiral dipolar reagents and achiral alkenes may have well stereoselectivity by applying one effective chiral metal catalysts .

应用手性和非手性柱固定相，在正相色谱系统中，手性药物和手性离子对试剂形成非对映离子对复合物，从而使手性药物得以分离。

Separations based on formation of diastereomeric ion-pairs were fulfilled in systems with an organic mobile phase using achiral and chiral stationary phases .

文章在紧束缚势模型基础上系统地研究了非手性单壁碳纳米管上单原子空位缺陷结构和电子结构性质。

The structural and electronic properties of single vacancies and related point defects in achiral carbon nanotubes are studied based on a tight-binding model .

采用图论方法对取代冠醚的构造、构型以及手性构型和非手性构型进行计数。

In the paper the graph-theoretical method is used to enumerate the numbers of constitutions , configurations , chiral and achiral configurations of substituted crown ethers .

先前的研究表明，由手性或非手性的极性分子组成的风车团簇，会产生强烈的分子间相互作用，如氢键或偶极相互作用。

Previous studies reveal that the chiral pinwheels are composed of chiral or achiral molecules with polar groups , which result in strong intermolecular interactions such as hydrogen-bonding or dipole interactions .

我们首先用非手性卟啉催化反应得到产物的标准样品，然后分别测定出各种产物在手性柱上的保留时间，从而确定手性钌卟啉催化产物的对映选择性。

Firstly , in order to get standard samples , we used achiral porphyrins to catalyze these reactions . Then we detected the enantioselectivity of the products catalyzed by chiral Ru-porphyrins .

本文致力于手性咪唑鎓盐离子液体的合成及手性/非手性咪哗基催化安息香缩合反应的研究。

In this thesis , the emphasis is on the research of synthesis of a novel chiral imidazolium salt and application of chiral / achiral imidazolium salt in catalytic benzoin condensations .

固有手性杯芳烃是一类典型的手性大环化合物，它们的手性来自杯芳烃骨架非手性取代基的不对称排列，而非以往我们所见过的轴手性、中心手性或平面手性等分子。

Inherently chiral calix [ 4 ] arenes are a typical chiral macrocyclic compounds in which chirality generated from the asymmetric arrangement of non-chiral substituents free from a chiral axis , a center chiral or a planar chiral molecules and other chiral factors .

由于基底与填充物可以是手性的也可以是非手性的，有不同的手性光子晶体组合。相应地分别计算正方、三角和蜂窝格子下的左右旋圆偏振光的带隙结构。

Since the substrate and the padding can be chosen as with or without chirality , there are different combinations of chiral PC. Correspondingly , the bandgap structures for LCPL and RCPL are calculated in the situations of square , triangular , and honeycomb lattices .

光学纯的硅取代氨基酸是一类非天然的手性氨基酸合成子，在药物、植物保护剂和精细化学品的合成中具有极为广阔的应用前景。

Optically pure silicon containing amino acids are unnatural amino acids synthons and have broad applications in the synthesis of many drugs , plant protectants and fine chemicals .

芽孢杆菌属产生的脂肪酶具有可耐受较高的温度、较高的pH稳定性和良好的有机溶剂耐受性等特点，非常适用于非水相催化和手性化合物拆分等领域。

Lipases from Bacillus show high thermostability of their lipase activities , stabilities of wide pH range and good organic solvent tolerant , which were applied in biocatalysis nonaqueous media and optically active substance resolution .

而非晶态合金上前手性酮的不对称氢化是一个全新的课题。

The enantioselective hydrogenation of prochiral ketone over amorphous alloy catalysts is a new research subject .

催化剂与底物之间的相互作用是非共价的，手性离子对是实质意义上的活性物种。

The interaction between the catalyst and the substrate is noncovalent , and the chiral ion pair is the intrinsic activated species .

系统考察了功能单体对非共价分子烙印手性固定相手性分离能力的影响，发现在非共价分子烙印手性固定相的制备中，功能单体与烙印分子之间存在着匹配性。

The effect of functional monomer on chiral separation ability of the non - covalent molecular imprinted chiral stationary phase was investigated systematically . It was found that there was compatibleness between the functional monomer and the template molecules .