The Synthesis of Furil with PVC -FeCl_3 As Catalyst;
PVC-FeCl_3催化合成糠偶酰
Furoin was oxidized to furil by CuSO4-C5H5N as an oxidant.
以糠醛为原料,VB1为催化剂,采用安息香缩合反应合成糠偶姻,并利用硫酸铜-吡啶氧化其为糠偶酰。
The yield of benzil was 87.
实验发现,在水杨醛乙二胺合铜配合物的催化下,安息香经空气氧化生成苯偶酰的产率可达87。
Thus,005 mol benzoin was oxidized by air to give 914% yield of benzil at 40 ℃ in 80 mL DMF containing 30 g KOH and 60 g resin after 3 h reaction.
实验表明:40℃下,在含6 0g该树脂和3 0gKOH的80mLDMF中,0 05mol安息香经空气氧化反应3h,生成苯偶酰的产率达到91 4%;该催化剂具有合成方便、催化工艺简单、回收容易、可重复使用等特点。
Catalytic oxidation of benzoin to benzil by molecular oxygen using metal oxide supported on activated charcol, silcon oxide, activated aluminum oxide and obsorbe resin as catalyst at atmosphere pressure was studied.
考察了几种常用载体负载金属氧化物催化分子氧氧化苯偶姻制备苯偶酰的性能 ,发现氧化铁 /三氧化二铝催化活性较高 ,稳定性较好 。
Methylammonium chlorochromate adsorbed onsilica gel is described as a convenient reagent for efficientoxidation of benzoins into corresponding benzils.
介绍了氯铬酸甲铵 /硅胶对苯偶姻体系的氧化反应合成相应的苯偶酰类化合物。
Dimethylammonium chlorochromate adsorbed on silica gel is described as a convenient reagent for efficient oxidation of benzoins into corresponding benzils.
制备了一种新的配体铬(Ⅵ)载体氧化剂盐酸二甲胺三氧化铬/硅胶,并用于对苯偶姻体系的氧化反应合成相应的苯偶酰类化合物。
Preparation of Trimethylammonium Chlorochromate Adsorbed on Silica Gel and Its Use in Oxidation of Benzoins;
该试剂制备简单,用于对苯偶姻的氧化,高收率地得到相应的苯偶酰类化合物,并且反应条件温和,产物易分离。
3,3' -dimethylbenzidiniun dichloride
3,3' -二氯化二甲基苯偶酰
benzoin acetate
苯偶姻乙酸酯,乙酰苯偶姻
Ultrasonic Synthesis of 3,3'-Azobenzene Diacid Chloride
超声辐射合成3,3′-偶氮苯二甲酰氯
Effect of Benzoyl Peroxide on Blowing Behavior of Azobisformamide in Silicon Rubber
过氧化苯甲酰对偶氮二甲酰胺在硅橡胶中发泡行为的影响
COUPLING REACTION OF LIVING BUTADIENE-STYRENE COPOLYMER WITH ACRYLOYL CHLORIDE
丙烯酰氯对丁苯共聚物活性链偶联反应的研究
Studies on the Asymmetric Amidocarbonylation Reaction and Homocoupling Reaction of Terminal Alkynes;
不对称酰胺羰基化与端炔偶联反应的探索
Phosphoramidite-Transition Metal Catalyzed Cross-Coupling Reactions;
亚磷酰胺—过渡金属催化的交叉偶联反应的研究
Study on Preparation and Properties of Main-Chain Azo Polyamides;
主链型偶氮聚酰胺的制备及其性能研究
A New Synthesis Method of Aryl-substituted α,β-unsaturated Azo Compounds;
α,β-不饱和酰基偶氮化合物合成的新方法
Spectrophotometric Determination of Iodine by Oxidization-decolorization of P-acetyl-arsenazo;
对乙酰偶氮胂褪色分光光度法测定食盐中碘
Determination of Trace Chromium (VI) by Highly Sensitive Spectrophotometric Method with Periodate-p-Acetylcarboxylazo;
对乙酰基偶氮羧光度法测定痕量铬的研究
Study on the Color Reaction of Palladium with Pacetyl Carboxysulfonazo and Its Application;
对乙酰基偶氮羧与钯的显色反应及应用研究
The Synthesis of 3-Aryl-β-lactams via Suzuki Cross Coupling Reaction
应用Suzuki偶联反应合成3-芳基-β-内酰胺类化合物
Terminal Modification of Polyamidoamine and the Synthesis of Dendritic Azobenzene Side-Chain Liquid Crystalline Copolymers
聚酰胺-胺的端基修饰合成偶氮液晶树形高分子
Determination on the Uncoupling Activity of Some O-hydroxyl-benzenesulfonanilides Drugs
邻羟基苯磺酰苯胺类药物的解偶联活性测定
STUDY ON SYNTHESIS TECHNOLOGY OF FINE PARTICLE AZODICARBONAMIDE IN FOOD
食品用细颗粒偶氮甲酰胺的合成工艺研究
Preparation and Properties of Polyimide/SiO_2 Hybrid Membranes Containing Coupling Agents
含偶联剂的聚酰亚胺/SiO_2杂化膜的制备与性能
Direct Palladium-catalyzed C-3 Alkynylation of Indoles and Direct Acetoxylation and Etherification of Anilides Using Organoiodine(III) Oxidant
钯催化的吲哚与炔的偶联反应和有机碘试剂作用下对乙酰苯胺乙酰氧化和醚化反应的研究