The most appropriate strategy may simply be to walk away from the problem 最好的对策可能就是回避这个问题。
Synthesis of Furan C-Glycoside Derivative and Confirmation of Absolute Configuration of the Main Product 呋喃碳苷衍生物的合成及主产物构型的确认
Vibrational Circular Dichroism: A New Tool for the Determination of Absolute Configuration of Chiral Molecules 振动圆二色谱:一种确定手性分子绝对构型的新方法
It's absolute configuration was confirmed by X-ray crystallographic analysis. 通过X-衍射方法,确定了其绝对构型。
Absolute configuration of molecule was determined by anomalous scattering method. 分子的绝对构型是用反常散射法确定的。
The crystal structure of one diastereoisomer of the amides was determined by single crystal diffraction analysis, and the absolute configuration of which was deduced by internal reference. 用单晶X衍射测定了酮咯酸脯氨酸苄酯酰胺一个异构体的晶体结构,并用内参法确定了其绝对构型。
The absolute configuration of the phosphorus in the title compound is S. 目标化合物中磷原子的绝对构型为S。
Absolute configuration study of wilsonine 台湾三尖杉碱绝对构型研究
The absolute configuration of rupestonic acid was also determined as 4C by X-ray analysis and CD data. 并经X-ray晶体衍射及CD谱分析修正了一枝蒿酮酸的绝对构型。
The Resolution of the Optical Active Derivatives of Ketorolac and the Determination of its Absolute Configuration 光活性酮咯酸衍生物的拆分及绝对构型的测定
Rotatory direction can be predicted from configuration, and absolute configuration of C_(( 2)) can be deduced from rotatory direction. 通过旋光方向可以推断其C(2)的绝对构型。
Calculation of Optical Rotation Using Density Functional Theory and Determination of Absolute Configuration for Soman Molecular Selection 分子旋光度的密度泛函计算及Soman绝对构型确定
The Prediction of the Absolute Configuration of Organic Compound on the Basis of the Helix Theory 根据螺旋理论推断有机化合物的绝对构型
Determination of Structure and Absolute Configuration of Humantenine Hydrobromide 胡蔓藤碱乙氢溴酸盐结构和绝对构型的测定
CONCLUSION The absolute configuration of 6 homoisoflavonoids((ⅰ-ⅳ)) have been determined for the first time. 结论首次确定了6个二氢高异黄酮(Ⅰ~Ⅳ)的立体构型。
The results show that the atom H at C ( 2) is β-H, so the absolute configuration of the compound is the S conformer. 由计算结果推测该化合物分子结构中C(2)上的H在β位,即C(2)的绝对构型为S型。
The crystal structure and absolute configuration of quinine salt of (+)-o-ethyl o-phenyl phosphorothioic acid (+)-氧-乙基-氧-苯基硫代磷酸奎宁盐的晶体结构和绝对构型
It is important to verify the absolute configuration of chiral molecular in order to know its function in creature. 确定手性分子的绝对构型对了解手性分子在生物体系中的功能有非常重要的意义。
The absolute configuration of the optically active 1 has been established as ()-( S) and (+)-( R) by the chemical correlation method. 通过化学相关法确定了1的绝对构型为(-)-(S)和(+)-(R)。
The absolute configuration of compound 6 was confirmed by X-ray crystallographic analysis. 其中化合物6的绝对构型经X-射线单晶衍射确证。
Especially the absolute configuration of four compounds was further determined by X-ray crystallography. 2. 其中4个化合物经X-射线单晶衍射,进一步确定了它们的绝对构型。
Absolute configuration was identified by XRD. Catalytic activity and stereoselectivity of its transition metal iridium complex were assessed by asymmetric hydrogenation of schiff base. 通过X-单晶衍射确定了立体构型,与金属铱制成阳离子型催化剂,初步考察了其在西佛碱的不对称氢化中的催化活性和立体选择性。
Currently, the dominating methods to determine the absolute configuration include X-ray diffraction, rotary dispersion, derivate of the structure and so on. 目前确定手性化合物绝对构型的方法主要有X-ray单晶衍射、结构衍生化、旋光色散方法等。
In the research of natural products, it is difficult to determine the absolute configuration of natural chiral compounds. 天然手性化合物绝对构型的确定是天然产物研究中的难点之一。
A reaction mechanism was proposed according to the absolute configuration of the product. 3. 根据产物的绝对构型,对该反应的机理进行了研究探讨。
The synthesis was started from a known intermediate, followed by two-step reduction, optical resolution and O-demethylation. The absolute configuration, dominant conformation and e.e. value were also determined. 新化合物以已知中间体为原料,经两步还原,手性拆分和O-去甲基反应制备,并确定了四个差向异构体的绝对构型,优势构象和对映体过量值。
In order to obtain precise three-dimensional structural information and absolute configuration, the single-crystal structures of three compounds were determined by X-ray crystallography. 2. 另外有三个化合物通过单晶衍射得到了三维立体结构和绝对构型。
Based on the Mosher 'method, the absolute configuration of the typical product was determined. A reaction mechanism was proposed according to the controlling stereochemistry of the product. 2. 并按Mosher方法确定了具有代表性的化合物的绝对构型,由此提出了该重排反应的机理。
The absolute configuration was determined by X-ray diffraction. 通过单晶衍射,我们确定了化合物的绝对构型。