For the apolar compounds, the derivatization was not necessary.
对于非极性物,不
定要进行这样
衍
。
For the apolar compounds, the derivatization was not necessary.
对于非极性物,不
定要进行这样
衍
。
The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.
成色满衍
物
关键是构建含有手性中心
色满环。
Settlement of a derivative instrument with physical delivery of an underlier.
是指采取实物交付衍证券标
物
结算方式。
The spectra and photophysics of 2-aryl-benzoxazole derivatives have been studied in this work.
对2-芳基苯并唑衍物
光谱及光物理行为进行了研究。
Syhthesis of novel derivatives of Naphtol AS and modification used for C.I.
Pigment Red 57: 1 (新色酚AS衍
物
成及对C.
The structure-activity relationships of heterocyclic hypotensor and ramification are discussed in this paper.
文章从结构与活性角度分析了近年来国内外杂环类抗高血压药及其衍
物
构效关系。
FMN (flavin mononucleotide) A derivative of riboflavin that is a coenzyme in electron-transfer reactions.
黄素单核苷酸(FMN):核黄素衍
物,在电子传递反应中是
种辅酶,作为多种脱氢酶
辅助因子起作用。
Herein we review the chemical studies on sphingosine and related lipid derivatives,with focus on their chemical synthesis.
本文主要综述了鞘氨醇等衍脂质
学研究,特别是它们
学
成进展。
General approaches involve the nucleophilic cycloalkylation, carbenoids addition of certain amino acid derivatives and derivatization from simple cyclopropane compounds.
制备方法包括对简单氨基酸衍物
亲核环烷基
、类卡宾加成以及简单环丙烷
物
衍
成等。
A method was developed for pre-column derivatization and gas chromatographic analysis of validamycin A residue in soil.
建立了土壤中井冈霉素A残留柱前衍
气相色谱分析方法。
Stereoselective oxidative dimerization of the enolate of carboxylic acid derivatives is summarized focusing on the stereoselectivity of the process.
综述羧酸衍物
烯醇盐氧
二聚成键
,重点是立体选择性
过程。
COMPOSITION: It is complex petroleum derivative products mixture, Mixed with Fatty group, cyclanes, carbon combined with chloride products organic solvent.
这是种由石油衍
复杂混
物;脂肪族;环烷烃碳氯
物
有机溶剂。
This article describes property, production and comprehensive manufacturing status of methyl chlorsilane, and the application and market status of derivate.
叙述了甲基氯硅烷性质,
产及综
加工简况,并简介其衍
品
应用及市场状况。
In the embryo an undifferentiated mesodermal component of an early trunk or tail segment or metamere, derived from paraxial mesoderm.
在胚胎时,个无法区别
中胚层组成
个早期躯干、或尾部片段或体节,衍
自轴旁
中胚层。
OBJECTIVE: Child-Pugh classification is used to grade liver damage but it do not reflect the quantitative functional hepatic reserve.
Child-Pugh 分级方法用来做肝损伤分级,但是不能够定量
反映肝
储备能力, Methacetin是非那西汀
衍
物 ,在肝脏微粒体内脱甲基
成13CO2 和对乙酰氨基酚 。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
成了带双羟烷基及双甲酸甲酯基取代
两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)
衍
物及其它们与TCNQ
CT-络
物。
Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.
成了四个从葡萄糖及半乳糖衍
手性芳基双膦配体,制备了手性双膦-铑(Ⅰ)配
物催
剂,并将其用于苯乙烯不对称氢甲酰
反应中。
The best cup characteristic are produced when the ratio of the degradation of trigonelline to the derivation of Nicotinic Acid remains linear.
最佳杯中特征产出于这样
时间:葫芦巴酰胺降解与烟酸衍
比率保持线性。
Effects of phenylsulfonyl and t - butylsulfonyl on the reduction of P - sulfonyl alcohol derivatives with Na - Hg were compared.
比较芳香族砜基和脂肪族砜基对钠-汞齐还原β-砜基醇衍物反应
影响。
Betulin and betulinic acid, the triterpenes of the lupane family, are considered to be potential agents against tumoral cancer and HIV .
桦木醇、桦木酸是具有羽扇烷结构三萜
物,目前
研究发现,它们具有较高
抗肿瘤、抗HIV病毒活性,它们
衍
物也有较高
物活性。
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