chiral center
英
美
手性中心
双语例句
- The introduction of chiral center and lateral fluorines enable the liquid crystals to give unusual smectic textures.
由于在分子中引入了手性中心和侧向氟原子，使得液晶呈现出不同寻常的近晶相织构。 - A new methoed of specifying the r/ s configuration of a chiral center
快速确定R·S构型的一种新方法 - According to the numerical results, the classification of the vibration modes for chiral tubes at the center of Brillouin zone were analysed.
基于实际的数值计算，讨论了Brillouin区中心Γ点手性管晶格振动模的分类； - As natural biocatalysts, enzymes catalyze chemical reactions with high catalytic efficiency and stereoselectivity and mild conditions, which can be not only used for the efficient resolution of racemic drugs and related synthons, but also the direct construction of chiral center of optically active drugs.
作为天然的生物催化剂，酶催化化学反应具有催化效率和立体选择性高、反应条件温和的特点。酶不仅适于外消旋药物及其合成子的有效拆分，而且可用于光学活性药物手性中心的直接构建。 - 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.
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。 - Among various methods to synthesize optically active propargylic alcohols, the asymmetric alkynylation of aldehydes is particularly useful because it simultaneously forms a carbon-carbon bond and a chiral secondary alcohol center in one single step.
在众多合成手性丙炔醇的方法中，端基炔对醛的不对称加成是在形成碳-碳键的同时生成一个手性二级碳中心，相较于其它方法有着显著的优势。 - Bisoprolol fumarate has one chiral center, and pairs of enantiomers, respectively for the R/ S configuration.
富马酸比索洛尔有一个手性中心，两个对映异构体，分别为R/S构型。 - High yield and enantioselectivity were received in the cases of aromatic aldehydes as substrates especially when the employed chiral ligand has a hydroxyl group attached to the chiral center.
当芳香醛为底物时，尤其是在手性中心连有羟基配体存在下，不对称加成产物得到很高的产率和对映选择性。