基本释义:

双香豆素

网络释义

1)Dicoumarin,双香豆素

2)Bicoumarin,双香豆素

3)dicumarol

[dai'ku:m?r?l],双香豆素

4)bishydroxycoumarin

[bishaidr?ksi'ku:m?rin],双羟香豆素

5)Ethylidenedicoumarol,乙双香豆素

6)tromexan ethyl acetate,新双香豆素

用法和例句

Synthesis and Characterization of Dicoumarin Derivatives;

双香豆素类化合物的合成及表征

A novel quaternary ammonium nydrate, containing dicoumarin cycle,was synthesised for the first time from the cyclic reaction of dicoumarin and thiophosphoryl chloride.

通过双香豆素与三氯硫磷的关环反应 ,得到了一个含双香豆素环的季铵碱 ,其结构经元素分析、IR、1 H和31 P NMR所确认 。

Daphgilin,a New Bicoumarin from Daphne giraldii;

黄瑞香中的一个新双香豆素——Daphgilin(英文)

Isodaphnoretin B,a New Bicoumarin from Stellera chamaejasme;

瑞香狼毒中的一个新双香豆素——异西瑞香素B(英文)

A method for simultaneous separation and determination of two coumarins,dicumarol and cyclocoumarol,in cosmetics by HPLC-diode-array detector(DAD) was developed.

建立了用高效液相色谱(HPLC)/二极管阵列检测器(DAD)测定化妆品中两种香豆素物质——双香豆素和环香豆素的方法。

Isolation and identification of a new dicoumarin from the roots of Daphne genkwa

芫花根中新双香豆素的分离与鉴定(英文)

Study on Acyloxy Positions of Angular Diacyloxydihydro pyranocoumarins by Mass Spectrometry

质谱法研究角型二氢吡喃香豆素双酯化物酰基连接位置

Synthesis of 3,3-Arylidene Bis(4-hydroxycoumarin) Catalyzed by Sulfamic Acid in Aqueous Media under Microwave Irradiation

微波辐射下氨磺酸催化水相合成3,3-亚芳基双(4-羟基香豆素)

hyl biscoumacetate

二痉香豆素乙酸乙酯

Direct Sulfanylation of 4-Hydroxycoumarins with Thiols in Water for Synthesis of 4-sulfanylcoumarins

水相中4-羟基香豆素直接硫醚化合成4-硫醚基香豆素衍生物

Determination of Pimpinelli and of Isopimpinell in Root of Toddalia Asiatica by HPLC

HPLC法测定飞龙掌血中茴芹香豆素与异茴芹香豆素的含量

Coumarin and flavonids is the main component.

香豆素类与黄酮类为其主要活性成分。

Synthesis of 6, 7-dihydroxycoumarin;

6，7-二羟基香豆素的合成与研究

The Synthesis of Coumarin Derivatives by Solid Acid and Base Catalysts;

固体酸碱催化香豆素类化合物的合成

Study on Extraction and Isolation Technology of Natural Coumarin from Melilotus;

草木樨中天然香豆素的提取分离研究

Synthesis of Coumarin-3-Carboxylic Acid Ethyl Ester in Hydrothermal Reaction;

香豆素-3-羧酸乙酯的水热合成和表征

The Synthesis of 7-Hydroxy-4-Methyl Coumarin by Using Microwave Catalysis;

微波催化合成7-羟基-4-甲基香豆素

The Studies on Coumains from Peucedunum Harry-smithii Var. Subglabrum Shan Et Sheh

少毛北前胡的香豆素类化学成分研究

Synthesis of coumarin-3-carboxylic acid catalyzed by KF/K_2CO_3/γ-Al_2O_3

KF/K_2CO_3/γ-Al_2O_3催化合成香豆素-3-羧酸

Study on the Synthesis Method of Coumarin-3-carboxylic Acid and Ester

香豆素-3-羧酸及酯合成方法的研究

Studies on analgesic site and mechanisms underlying of Coumarins of Angdicae Dahuricae

白芷香豆素的镇痛作用部位及其机制

Study on Optimum Process for Extracting Coumarin from Cortex fraxini by Orthogonal Test

正交试验法优选秦皮香豆素醇提工艺

Synthesis of 7-Hydroxy-4-methylcoumarin Using Phenyl Sulfonic Acid as Catalyst

苯磺酸催化合成7-羟基-4-甲基香豆素