基本释义:

2,3-二氢呋喃

网络释义

1)2,3-Dihydrogenfuran,2,3-二氢呋喃

2)2,3-Dihydrobenzofuran,2,3-二氢苯并呋喃

3)5-fluoro-2,3-dihydrobenzofuran,5-氟-2,3-二氢苯并呋喃

4)dihydronfuran,二氢呋喃

5)2,3-dihydropyrane,2,3-二氢吡喃

6)2,7-dimethyl-2,3-dihydrobenzofuran-6-carbonyl chloride,2,7-二甲基-2,3-二氢-苯并呋喃-6-甲酰氯

用法和例句

In the first two parts of this thesis mainly focused on carbon radical reaction promoted by Manganses(Ⅲ):(1) Mn(acac)3 reacted with nitroalkenes underwent ligand-transferring process to synthesize dihydronfuran derivatives, which were further deoxidized of the nitro-group to obtain varies of pyrrole derivatives.

本文分为三个部分,前两部分主要介绍了三价锰引发碳自由基反应:(1)Mn(acac)_3与β-硝基烯通过配体转移反应合成二氢呋喃类化合物,并对二氢呋喃中的硝基进行还原,高产率的合成吡咯衍生物。

METHODS Aceclofenac was synthesized from chloroacetic acid and 2,3-dihydropyrane by esterification to give tetrahydropyranyl chloroacetate,which subjected to condensation and acidolysis.

方法以氯乙酸为原料,和2,3-二氢吡喃酯化反应合成氯乙酸四氢吡喃酯,再经缩合、酸解反应制得目标化合物。

Determination of 2,7-dimethyl-2,3-dihydrobenzofuran-6-carbonyl chloride by GC;

2,7-二甲基-2,3-二氢-苯并呋喃-6-甲酰氯,(简称苯并呋喃甲酰氯)与无水甲醇反应,生成2,7-二甲基-2,3-二氢-苯并呋喃-6-甲酸甲酯(简称苯并呋喃甲酸甲酯)后,采用气相色谱法,选用5%OV-210/ChromosorbWAW-DMCS(80-100目),Φ3。

The Studies on the Syntheses of 1, 4-Benzodioxane Neolignan Derivatives and Dihydrobenzofuran Neolignan Derivatives with Biological Activities;

生理活性苯并二噁烷和苯并二氢呋喃新木脂素衍生物合成

Synthesis of α-Furanacrylic Esters with Monometallic Sodium Orthophosphate as Catalyst

磷酸二氢钠催化合成α-呋喃丙烯酸酯

Gas-phase Cyclodehydration of 1,4-Butanediol into Tetrahydrofuran

1,4-丁二醇气相环化脱水合成四氢呋喃

Synthesis and Insecticidal Activity of the Dihydroagarofuran Derivatives;

双呋喃二氢沉香呋喃衍生物的合成及其杀虫活性

Fast increase in demand of tetrahydrofuran and poly-tetrahydrofuran;

四氢呋喃和聚四氢呋喃需求快速增长

3,3-dihydro-2,2-dimethyl-7-benzofuranyl methylcarbamate

３,３－二氢－２,２－二甲基－７－苯并呋喃基－甲基氨基甲酸酯

The Ring-opening Polymerization of PDO with PTHF Acts as Macroinitiator;

聚四氢呋喃引发对二氧环己酮开环聚合的研究

Electrospinning of polyurethane solution based on tetrahydrofuran/N,N-dimethyl formamide

基于四氢呋喃/二甲基甲酰胺的聚氨酯静电纺丝

Synthesis, Characterization and Catalytic Activity of Divalent Lanthanide Complexes with Furfuryl-and Tetrahydrofurfuryl-Functionalized Indenyl Ligands;

含呋喃、四氢呋喃取代茚基二价稀土配合物的合成、表征与催化活性研究

The catalysis of big pore strong acid resin for1,4- butanediol dehydration to tetrahydrofuran is investigated.

考察了大孔强酸性树脂对1,4丁二醇脱水制四氢呋喃的催化作用。

Stereoselective and Enantioselective Synthesis of Trans-2, 5-disubstituted Tetrahydrofurans

反式-2，5-二取代四氢呋喃的立体选择性和对映选择性合成

The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.

考察了大孔强酸性树脂对1,4 丁二醇脱水制四氢呋喃的催化作用。

Solubility of 1,2-Ethylenediamine、Pyridine Triethylamine、Tetrahydrofuran in Water and Technological Process Research of Tetrahydrofuran;

乙二胺、三乙胺、四氢呋喃、吡啶在水中的溶解度及其工程治理

Synthesis and Insecticidal Activity of the Hepthydroxy-β-dihydroagarofuran Derivatives;

七羟基-β-二氢沉香呋喃衍生物的合成及其杀虫活性

Polymerization of Acrylonitrile Catalyzed by Cyclopentadienyl Sodium /Tetrahydrofuran System;

环戊二烯钠/四氢呋喃体系催化丙烯腈聚合反应研究

Fractionation and structure identification of β-dihydroagarofuan polyolesters from Celastrus angulatus

苦皮藤β-二氢沉香呋喃多元醇酯类化合物分离及结构解析

Catalytic Synthesis of Polytetrahydrofuran by Phosphotungstic Heteropoly Acid Supported on Mesoporous Silica

介孔二氧化硅负载磷钨杂多酸催化合成聚四氢呋喃

Vapor--Liquid Equilibrium Data for Methanol-Tetrahydrofuran-Potassium Acetate System

甲醇-四氢呋喃-乙酸钾体系汽液平衡