They are all chiral molecules and belong in the racemate.
它们都是手性分子,属于外消旋体。
They are all chiral molecules and belong in the racemate.
它们都是手性分子,属于外消旋体。
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,分别控制反应的非对映选择性和对映选择性。
The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.
合成色满衍生物的关键是构建含有手性中心的色满环。
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的手性晶体的固相反应进行的“对”不对称合成。
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的重要中间体。
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的手徵强子模型研究了前中子星内(平均值)K凝聚和超子的生成。
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。
Synthesis of new type chiral (Z) - 2 - acetylamino - 3 - aryl acrylic acid compounds
几种新型手性(Z)-2-乙酰氨-3-
烯酸类化合物的合成
The optical rotation detector was a perfect supplemental tool for chiral chromatography,which could provide the right information about dextrorotatory and levorotatory enantiomers.
与单纯的紫外检测器相比,旋光检测器可方便地得到手性对映体的左旋或右旋特性。
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;
Normal-phase chromatographic model was employed for enantionmeric separation of α-Phenylethylamine derivatives on the DNB-pg chiral column in hexane/alcohol mobile phase.
用4-甲氧苯甲酸将手性对映体α-苯乙胺衍生化,产生相应的非对映体衍生物。
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的γ-甲醇类化合物
Abstract : The electron impact mass spectra of ten new C2-symmetric chiral bis(oxazoline) and bis(thiazoline) have been studied.
摘要 : 本文研究了十个新的C2对称的手性双恶唑啉和双噻唑啉等两个系列的电子轰击质谱。
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的合成及其光谱特性与结构特征。
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)的合成方法,包括外消旋体的合成以及手性合成。
Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.
合成了四个从葡萄糖及半乳糖衍生的手性双膦配体,制备了手性双膦-铑(Ⅰ)配合物催化剂,并将其用于苯乙烯不对称氢甲酰化反应中。
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