氧杂蒽酮化合物,xanthenes
1)xanthenes氧杂蒽酮化合物
2)Xanthone[英]["z?nθ?un][美]["z?nθon]氧杂蒽酮
1.The overall yeild of xanthone was 63.以2-氯苯甲酸和苯酚为原料,先经过Ullmann缩合反应制得2-苯氧基苯甲酸,再在三氯氧磷作用下脱水环合得到氧杂蒽酮。
英文短句/例句
1.Synthesis of Xanthone by Approach of UllmannUllmann法合成氧杂蒽酮的研究
2.Free Radical Polymerization Initiated by Initiator Containing Xanthone Structure;含氧杂蒽酮结构引发剂引发自由基聚合研究
3.Study on synthesis of the O-(thiaxanthon-2-yl)-oxyacetateO-(硫杂蒽酮-[2]-基)-氧乙酸的合成研究
4.Synthesis of Xanthene-1,8(2H)-diones Under Solvent-free Condition Catalyzed by Boric Acid无溶剂条件下氧杂蒽二酮衍生物的合成
5.The Interaction between DNA and the Complexes of Thioxanthone with Metal;硫杂蒽酮配合物与DNA的相互作用
6.Oxidation Anthracene to Anthraquinene with H_2O_2 Catalyzed by the Molybdovanadophoric Acids with Keggin Structure;Keggin型钼钒磷杂多酸催化H_2O_2氧化蒽制备蒽醌
7.1-Allyloxy-4-hydroxyanthracene-9,10-dione as a Fluorescent Carrier for Measuring Water Content in Acetone Solutions1-丙烯氧基-4-羟基蒽醌-9,10-二酮荧光传感器测定丙酮中水含量
8.Design, Synthesis, and Characterization of Novel Copolymers Based on Spiro[Fluorene-9,9"-xanthene]新型螺[芴-9，9"-氧杂蒽]类共聚物的设计、合成与表征
9.Integrated Process of H_2O_2 Generation Through Anthraquinone Hydrogenation-Oxidation Cycles and the Ammoximation of Cyclohexanone;蒽醌法过氧化氢生产与环己酮氨肟化过程集成的研究
10.The Electrocatalytic Oxygen Reduction Performance and Application of the Polypyrrole Film Electrode Doped by Anthraquinone;掺杂蒽醌/聚吡咯膜电极的电催化氧还原性能及应用研究
11.Synthesis of 1, 4-Dioxaspiro[4.5]decan-8-one;1，4-二氧杂螺[4.5]癸烷-8-酮的合成
12.Recycling and purification of 1,4-dioxaspirodecan-8-one1,4-二氧杂螺[4.5]癸烷-8-酮的回收与提纯
13.Synthesis of 4-Acetoxy-2-azetidinone4-乙酰氧基-2-氮杂环丁酮的合成
14.Catalytic synthesis of cyclohexanone ethylene ketal with H_3PW_6Mo_6O_(40)/TiO_2二氧化钛负载磷钨钼杂多酸催化合成环己酮乙二醇缩酮
15.Catalytic synthesis of cyclohexanone 1,2-propanediol ketal by H_3PW_(12)O_(40)/TiO_2;二氧化钛负载磷钨杂多酸催化合成环己酮1,2-丙二醇缩酮
16.SYNTHESIS OF 3, 4-DIOMETHYL-2-PHENYL-1, 4-OXAZEPINE-5 ,7-DIONE;3,4—二甲基—2—苯基—1,4—氧氮杂—5,7—二酮的合成
17.Oxidation of Cyclohexanone to Adipic Acid Catalyzed by Heteropolyoxometallates with Rare Earth稀土杂多酸盐催化环己酮氧化合成己二酸
18.Synthesis of flavone 7-O-glucosides in the presence of tri-(3,6-dioxaheptyl) amine三(3,6-二氧杂庚基)胺催化合成黄酮糖苷的研究
相关短句/例句
Xanthone[英]["z?nθ?un][美]["z?nθon]氧杂蒽酮
1.The overall yeild of xanthone was 63.以2-氯苯甲酸和苯酚为原料,先经过Ullmann缩合反应制得2-苯氧基苯甲酸,再在三氯氧磷作用下脱水环合得到氧杂蒽酮。
3)xanthenedione氧杂蒽二酮
1.It was found that without additional catalyst this reaction could only be realized at elevated temperature and gave a mixture ofxanthenediones 3 and their ring-opening derivatives 2,2"-arylmethylenebis-(3-hydroxy-5,5-dimethyl-2-cyclohexen-1-one) (4) in poor yields.实验结果表明,在催化量的FeCl3?6H2O存在下,该反应可高产率地生成氧杂蒽二酮类化合物3;而在TMSCl/FeCl3?6H2O复合催化体系的催化下,则得到氧杂蒽二酮类化合物的开环衍生物4,反应具有非常好的选择性。
4)Xanthone[英]["z?nθ?un][美]["z?nθon]夹氧杂蒽酮
5)9-Oxoxanthene夹氧杂蒽酮
6)xanthenedione derivatives氧杂蒽二酮衍生物
延伸阅读
氧杂蒽酮分子式：C13H8O2分子量：196.19CAS号：90-47-1性质：白色至浅黄色针状结晶。熔点174℃。沸点349-350℃（97.3kPa），143-146℃（0.4kPa）。易溶于氯仿，溶于乙醇、乙醚、氯仿、苯，微溶于石油醚，不溶于水。溶于浓硫酸呈黄色并显浅蓝色荧光。制备方法：将水杨酸苯酯加热至275-285℃，开始反应并馏出生成的苯酚，继续升温达到350-355℃，所得产物经精制即为呫吨酮。用途：用于有机合成，制备医药、染料和杀蛹剂。
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