The multiphoton ionization-fragmentation(MPIF)study on bromobenzene at 266nm laser radiation;
266nm的激光作用下溴苯分子的多光子电离碎片化机理
3-Nitrodiphenylamine is generally synthesized by the Ullmann condensation of N-(3-nitrophenyl) acetamide with bromobenzene.
间-乙酰氨基硝基苯与溴苯发生Ullmann缩合反应是制备3-硝基二苯胺最常用的方法。
1,4-Bis-(4′-bromobenzoyl)benzene was synthesized from terephthaloyl chloride and bromobenzene using aluminum chloride as a catalyst.
以对苯二甲酰氯和溴苯为原料,无水氯化铝粉末为催化剂,合成了1,4-双(4′-溴苯酰基)苯,其结构经1HNMR,IR和DSC表征。
Suzuki-Miyaura cross-coupling reaction is the coupling reaction of aryl bromides with phenylboronic acid.
研究了与钯形成的配合物对溴苯及较大范围内溴苯的衍生物的Suzuki-Miyaura偶联反应的催化作用。
The solid-liquid equilibrium data for the ternary mixture of o-dibromobenzene + m-dibromobenzene + p-dibromobenzene were determined by differential scanning calorimetry (DSC).
采用差示扫描量热法,通过对一系列“拟二元”物系固液平衡数据的测定,得到了邻二溴苯、间二溴苯和对二溴苯三元物系的固液平衡数据。
Solid-liquid equilibrium data for three binary mixtures of o-dibromobenzene + m-dibromobenzene, p-dibromobenzene + m-dibromobenzene, and p-dibromobenzene + o-dibromobenzene were determined by differential scanning calorimetry and their corresponding eutectic type phase diagrams were presented.
采用差示扫描量热法测定了邻二溴苯与间二溴苯、对二溴苯与间二溴苯和对二溴苯与邻二溴苯的3个二元固液平衡数据,同时绘制出相应的简单低共熔型二元相图。
The solid-liquid equilibrium data for the ternary mixture of o-dibromobenzene + m-dibromobenzene + p-dibromobenzene were determined by differential scanning calorimetry (DSC).
采用差示扫描量热法,通过对一系列“拟二元”物系固液平衡数据的测定,得到了邻二溴苯、间二溴苯和对二溴苯三元物系的固液平衡数据。
Solid-liquid equilibrium data for three binary mixtures of o-dibromobenzene + m-dibromobenzene, p-dibromobenzene + m-dibromobenzene, and p-dibromobenzene + o-dibromobenzene were determined by differential scanning calorimetry and their corresponding eutectic type phase diagrams were presented.
采用差示扫描量热法测定了邻二溴苯与间二溴苯、对二溴苯与间二溴苯和对二溴苯与邻二溴苯的3个二元固液平衡数据,同时绘制出相应的简单低共熔型二元相图。
The solid-liquid equilibrium data for the ternary mixture of o-dibromobenzene + m-dibromobenzene + p-dibromobenzene were determined by differential scanning calorimetry (DSC).
采用差示扫描量热法,通过对一系列“拟二元”物系固液平衡数据的测定,得到了邻二溴苯、间二溴苯和对二溴苯三元物系的固液平衡数据。
1,4-Diethynylbenzene and 1,4-diethynyl-2,5-bis-nonyloxy-benzene were prepared from p-dibromobenzene derivatives and 2-methyl-but-3-yn-2-ol by two steps of Sonogashira coupling reaction and removal of acetone in an alkaline medium.
以对二溴苯衍生物和甲基丁炔醇为原料,通过Sonogashira钯催化偶联反应得到的产物,在碱性条件下脱丙酮获得1,4-二乙炔基苯和标题化合物。
The effects of p-dibromobenzene and naphthalene on the reaction were studied.
以甲基氢二氯硅烷为单体,利用超声波条件下Wurtz聚合的方法,合成了可溶性聚硅烷,研究了对二溴苯和萘对反应的影响,并用红外光谱(IR)、凝胶渗透色谱(GPC)、X射线衍射(XRD)对产物进行了表征。
Using 1,4-dibromobenzene(Ⅰa),1,3,5-tribromobenzene(Ⅰb) and 2-methyl-3-butyn-2-ol(Ⅱ) as starting materials and PdCl2,triphenylphosphine,CuI and KOH as catalysts,1-bromo-4-ethynylbenzene(Ⅳa),1,4-diethynylbenzene(Ⅳa′) and 1,3,5-triethynylbenzene(Ⅳb) were synthesized by Sonogashina coupling reaction and elimination reaction.
以对二溴苯(Ⅰa)、1,3,5-三溴苯(Ⅰb)和2-甲基-3-丁炔-2-醇(Ⅱ)为原料,在PdC l2、PPh3和CuI的催化作用下进行Sonogash ina偶联反应,偶联产物在KOH作用下发生消去反应,分别得到对溴苯乙炔(Ⅳa)、对二乙炔基苯(Ⅳa′)、1,3,5-三乙炔基苯(Ⅳb)。