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、手性辅基、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。
The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.
色满衍生物关键是构建含有手性中心色满环。
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手性晶体反应进行“绝对”不对。
In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.
扁桃酸乙酯是扁桃酸系列药物重要中间体。
A chiral hadronic model is extended to investigate antikaon condensation and hyperons production of protoneutron stars.
摘要用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。
A set of structurally close chiral arylalcohols and achiral arylalcohols were studied using chiralcel OD-H column as stationary phase.
采用高效液色谱法对15种芳香醇及结构近化物进行了分离研究。
Synthesis of new type chiral (Z) - 2 - acetylamino - 3 - aryl acrylic acid compounds
几种新型手性(Z)-2-乙酰氨基-3-芳基丙烯酸类化物
The optical rotation detector was a perfect supplemental tool for chiral chromatography,which could provide the right information about dextrorotatory and levorotatory enantiomers.
与单纯紫外检测器比,旋光检测器可方便地得到手性对映体左旋或右旋特性。
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;
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得到了具有手性γ-甲基醇类化物
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C2对手性双恶唑啉和双噻唑啉等两个系列电子轰击质谱。
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、膦环环己二胺手性配体化物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′二羟基1,1′联萘(联萘酚)方法,包括外消旋体以及手性。
Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.
了四个从葡萄糖及半乳糖衍生手性芳基双膦配体,制备了手性双膦-铑(Ⅰ)配物催化剂,并将其用于苯乙烯不对氢甲酰化反应中。
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