中文名称3-溴-4-甲基噻吩中文同义词3-溴-4-甲基噻吩;4-溴-3-甲基噻吩;4-甲基-3-溴噻吩;PERFEMIKER]3-溴-4-甲基噻吩,95%英文名称3-BROMO-4-METHYLTHIOPHENE英文同义词3-BROMO-4-METHYLTHIOPHENE;3-BROMO-4-METHYLTHIOPHENE93+%;3-Methyl-4-bromothiophene;3-Bromo-4-methylthiophene,95%;3-BroMo-4-Methylthiophene,95%1GR;3-Bromo-4-methylthiophene97%;Thiophene,3-bromo-4-methyl-;3-Bromo-4-methylthiophene>CAS号30318-99-1分子式C5H5BrS分子量177.06EINECS号相关类别噻吩类;噻吩类化合物;有机砌块;医药中间体;杂环砌块;噻吩;其它杂环;化工原料;有机中间体;中间体-有机中间体;Thiophens;FunctionalMaterials;ReagentsforConductingPolymerResearch;ThiopheneDerivatives(forCondutingPolymerResearch);Thiophen;OrganicElChemicalbookectronicsandPhotonics;SyntheticToolsandReagents;ThiopheneMonomersandBuildingBlocksMol文件30318-99-1.mol结构式3-溴-4-甲基噻吩性质沸点179-183°C/770mmHg(lit.)密度1.584g/mLat25°C(lit.)折射率n20/D1.579(lit.)闪点172°F储存条件Keepindarkplace,Sealedindry,RoomTemperature形态液体颜色透明无色至黄色InChIKeyMBUSOPVRLCFJCS-UHFFFAOYSA-NCAS数据库30318-99-1(CASDataBaseReference)3-溴-4-甲基噻吩用途与合成方法用途3-溴-4-甲基噻吩为噻吩类衍生物,其是金属催化偶联法制备聚噻吩类化合物所必需的单体。合成将45.7g(0.466mol)4-甲基噻吩和80mL的四氯化碳加入四口瓶中,搅拌下分批加入82.74g(0.465mol)NBS,在一定温度温下进行反应,并每隔2h取一次样,进行气相色谱分析,4-甲基噻吩质量分数小于1%时停止反应。抽滤,滤液经水洗涤,取油层进行蒸馏,收集37-38℃/0.0004MPa馏分即为3-溴-4-甲基噻吩产物,纯度大于98%(GC),收率87%。 |