5PW12O40) catalysts used for the synthesis of pharmaceutical intermediate 2-acetylthiophene were prepared.
5PW12O40)催化剂催化合成药物中间体2-乙酰噻吩。
The traditional preparing method of 2-acetylthiophene has some disadvantages.
针对传统的合成2-乙酰噻吩的方法存在的一些弊端,选用环境友好型催化剂-磷钨酸来合成2-乙酰噻吩。
The method of the determination of drug intermediate 2-acetylthiophene was set up by gas chromatography on 1 500 mm ×3mm i.
建立了在5％ OV-7/Chromosorb W-AW DMCS气相色谱柱上分离和测定药物中间体2-乙酰噻吩的方法。
Methods:Zileuton wassynthesized via 3-step reactions with 2-acetyl benzo[b]thiophene as the starting material.
方法:以2-乙酰基苯并噻吩为起始原料,经3步反应合成齐留通。
Synthesis of 2-Acetylthiophene and New Schiff Bases
2-乙酰噻吩及其新型席夫碱的合成
CATALYTIC SYNTHESIS OF 2-ACETYLTHIOPHENE OVER SiO_2-SUPPORTED HETEROPOLYACID
二氧化硅负载磷钨酸催化合成2-乙酰噻吩
Study on the Synthesis of 2-Thiophene-2-yl-ethylamine;
2-（2-噻吩）乙胺的合成工艺研究
Study on Synthesis,Characterization and Fluorescence Property of Ethyl 5-acetyl-2-amino-4-methylthiophene-3-carboxylate
5-乙酰基-2-氨基-4-甲基噻吩-3-甲酸乙酯的合成、表征及荧光性能研究
Improved Process for the Synthesis of Trans-2-(Nitrovinyl)thiophene
反式2-硝基噻吩乙烯的合成工艺改进
Sythesis, Characterization and Studies on Fluorescence Property of Rare Earth Complexes with 2-Thiopheneacetic Acid and 1,10-Phenanthrolione;
2-噻吩乙酸、1，10-邻菲啰啉稀土配合物的合成、表征及荧光性能研究
The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene.
这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
Micro-Region Structure and Photoelectron Transport Performance of Dithieno [3,2-b∶2',3'-d]Thiophene-2-Dicarboxylic Acid
二噻吩并[3,2-b:2',3'-d]噻吩-2-羧酸的微区结构及光电子传输特性
Vulcanization accelerator NOBS (N-oxydiethylene-2-benzothiazyl sulfenamide)
GB/T8829-1988硫化促进剂nOBS(n-氧二乙撑-2-苯骈噻唑次磺酰胺)
SYNTHESIS OF 3-SUBSTITUTED-2-ACYLIMINO-4-THIAZOLIDONES AND ITS 5-ACETIC ACID COMPOUNDS
3-取代-2-酰亚胺-4-噻唑烷酮及其5-乙酸化合物的合成
The Synthesis of Ethyl 2 Nitromethyl 4 Carboxylate and Its Condensation Reaction with Acrylamide
2－硝基甲基噻唑－4－羧酸乙酯的合成及与丙烯酰胺的缩合
Study on Synthesis of 3, 4-ethylenedioxythiophene;
3，4-乙撑二氧噻吩的合成工艺研究
Study on the Synthesis and Characterizition of 3,4-ethylenedioxythiophene;
3，4-乙撑二氧噻吩（EDOT）的合成与表征
Synthesis of 2-aryloxy-5,6-dihydrothienothieno[2,3-d]pyrimidin-4(3H)-ones
2-芳氧基噻吩并噻吩[2,3-d]并嘧啶酮衍生物的合成
Studies on the Synthesis of 3-Hydroxy-2-Thiophene Cirboxylic Acid Methyl Ester;
3-羟基-2-噻吩甲酸甲酯的合成
Improvement in synthesis of 1-(thiophen-2-yl)hexadecan-1-one
2-十六烷基噻吩酮的合成工艺改进
Improved Methods of Synthesizing 2-Aminothiophenes
2-氨基噻吩类衍生物的合成方法改良
Study on Syntheses, Characterizations and Properties of 2, 5-Thiophenediacylhydrazones and 4, 5-imidazolediacylhydrazones;
2，5-噻吩、4，5-咪唑双酰腙的合成、表征及性能研究