125143-53-5 3,3',5,5'-四溴-2,2'-联噻吩

中文名称: 3,3',5,5'-四溴-2,2'-联噻吩
英文名称: 3,3',5,5'-Tetrabromo-2,2'-bithiophene
CAS号
分子式: C₈H₂Br₄S₂
分子量: 481.85
更新日期: 2026-06-23

名称和标识

中文名: 3,3',5,5'-四溴-2,2'-联噻吩
英文名: 3,3',5,5'-Tetrabromo-2,2'-bithiophene
CAS号: 125143-53-5
分子式: C8H2Br4S2
分子量: 481.85
中文别名: 3,3,5,5-四溴联噻吩; 3,5-二溴-2-(3,5-二溴噻吩-2-)噻吩; 3,3,5,5-四溴-2,2-双噻吩; 3,3’,5,5’-四溴-2,2’-联噻吩
英文别名: 2TH-4Br; 2,2'-Bithiophene, 3,3',5,5'-tetrabromo-; 2T2Br-2Br; 3,3 ', 5,5' - Tetrabromo-2,2 '- dithiophene; 3,3′,5,5′-Tetrabromo-2,2′-bithiophene; 3,3',5,5'-TetrabroMo-2,2'-bithiophene; 3,5-dibromo-2-(3,5-dibromothiophen-2-yl)thiophene; 3,5-dibromo-2-(3,5-dibromo-2-thienyl)thiophene

物化属性

Log S (Ali): -7.39
Log S (ESOL): -7.33
Log S (SILICOS-IT): -6.7
LogP: 6.05
PSA: 56.48 Å²
外观: 白色到淡黄色到绿色粉末晶体
密度: 2.4±0.1 g/cm³
折射率: 1.720
沸点: 371.0±37.0 °C (760 mmHg)
熔点: 140 °C
精确质量: 477.633118
蒸汽压: 0.0±0.8 mmHg (25 °C)
闪点: 178.2±26.5 °C

安全信息

安全说明

WGK Germany:3 海关编码:2934999090 存储类别:11 - 可燃固体危险性类别:严重眼损伤类别1

生产及用途

用途与制备

该化合物主要用于有机电子材料、高分子材料合成、染料与颜料制备等领域，作为多杂环化合物中间体或功能性材料。

有机电子材料; 材料化学; 染料与颜料; 高分子材料

合成路线 1（1. 合成：125143-53-5）

产率：100% 合成条件：With bromine In chloroform; acetic acid at 0 - 20℃; Cooling with ice 实验步骤：合成例1;通过使用以下反应方案1的程序制备用作本发明的多杂环化合物并由式1-7表示的化合物。将给出反应的详细描述。将2,2'-联噻吩（30mmol，5g）溶于乙酸（100ml）和氯仿（75ml）中，然后用冰冷却。将溴（60.5mmol，9.65g）溶解在氯仿（50ml）中的溶液滴加到前一溶液混合物中约40分钟，并在常温下滴加相同量的溴1小时。将所得溶液混合物在常温下搅拌12小时，然后再循环24小时。通过减压蒸馏除去溶剂后，使用乙醇进行重结晶，得到15g 30mmol 3,3'，5,5'-四溴-2,2'-联噻吩，收率为100％。 GC-MS计算。 C8H2Br4S2 [M +]的测定：482，实测值：482。1H NMR（DMSO-d6）：δ7.5（s，2H）。 参考文献：

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