1.They are all chiral molecules and belong in the racemate.
它们都是手性分子,属于外消旋体。
2.Three strategies (additive, chiral auxiliary or chiral reagent) were developed to improve the diastereoselectivity or enantioselectivity of the ylide cyclopropanation reactions.
通过添加剂、手性辅、手性试剂等3种策略,分别控制反应非对映选择性和对映选择性。
3.The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.
合成色满衍生物关键是构建含有手性中心色满环。
4.In the present review, we describe the asymmetric synthesis via the reactions of chiral crystals of achiral molecules.
本文将综述通过非手性分子形成手性晶体固相反应进行“绝对”不对称合成。
5.In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.
扁桃酸乙酯是合成扁桃酸系列药物重要中间体。
6.A chiral hadronic model is extended to investigate antikaon condensation and hyperons production of protoneutron stars.
摘要用相对论平均场下手徵强子模型研究了前中子星内(平均值)K凝聚和超子生成。
7.A set of structurally close chiral arylalcohols and achiral arylalcohols were studied using chiralcel OD-H column as stationary phase.
采用高效液相色谱法对15种香醇及结构相近化合物进行了分离研究。
8.Synthesis of new type chiral (Z) - 2 - acetylamino - 3 - aryl acrylic acid compounds
几种新型手性(Z)-2-乙酰-3-丙烯酸类化合物合成
9.The optical rotation detector was a perfect supplemental tool for chiral chromatography,which could provide the right information about dextrorotatory and levorotatory enantiomers.
与单纯紫外检测器相比,旋光检测器可方便地得到手性对映体左旋或右旋特性。
10.Chiral hydrocyanation were also obtained resoluting for enantiomer hydrocyanation by physics method, chemical method and bitrasformational method.
消旋氰醇经物理、化学、生物转化拆分间接制备手性氰醇；
11.The chiral synthesis of γ-methyl alkanol has been achieved by starting from （R）-（+） pulegone
由（R）-（+）-胡薄荷酮为起始原料合成得到了具有手性γ-甲醇类化合物
12.Abstract : The electron impact mass spectra of ten new C2-symmetric chiral bis(oxazoline) and bis(thiazoline) have been studied.
摘要 ： 本文研究了十个新C2对称手性双恶唑啉和双噻唑啉等两个系列电子轰击质谱。
13.Chapter four deals with the synthesis , spectroscopic and structural study of two novel chiral annuloid compounds derived from 1,2-diaminocyclohexane (DACH) via silicon and phosphor.
第四章讨论了两个硅、膦环合环己二胺手性配体化合物合成及其光谱特性与结构特征。
14.The synthetic methods of 2,2′ dihydroxy 1,1′ binaphthyl (BINOL) are reviewed with 51 references,including racemic synthesis and chiral synthesis.
综述了2,2′二羟1,1′联萘(联萘酚)合成方法,包括外消旋体合成以及手性合成。
15.Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.
句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
、手性试剂等3种策略,分别控制反应
非对映选择性和对映选择性。
香醇及结构相近化合物进行了分离研究。
