四溴噻吩
化合物
四溴噻吩是一种有机化合物,化学式为C4Br4S。它有α和β两种晶型,α型的晶体属于Pca21空间群,β型的晶体属于Pn空间群。[1]
四溴噻吩 | |
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识别 | |
CAS号 | 3958-03-0 |
PubChem | 77565 |
性质 | |
化学式 | C4Br4S |
摩尔质量 | 399.72 g·mol−1 |
密度 | 3.18 g·cm−3(α,200 K) 3.24 g·cm−3(β,295 K) 3.22 g·cm−3(β,200 K)[1] |
熔点 | 117.5 °C(390.6 K)[2] |
沸点 | 326 °C(599 K)[2] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
合成与反应
编辑它和炔烃在三乙胺和催化剂(PdCl2(PPh3)2、CuI)的存在下反应,可以得到3,4-二溴-2,5-二炔基噻吩。[4]
参考文献
编辑- ^ 1.0 1.1 Robert B. Helmholdt, Ed J. Sonneveld, Christophe M. L. Vande Velde, Frank Blockhuys, Albert T. H. Lenstra, Herman J. Geise, René Peschar. Structures of tetrabromothiophene and tetrabromoselenophene: the influence of the heteroatom on the heterophene packing. Acta Crystallographica Section B Structural Science. 2007-10-01, 63 (5): 783–790 [2020-11-19]. ISSN 0108-7681. doi:10.1107/S010876810703652X. (原始内容存档于2020-02-25).
- ^ 2.0 2.1 "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US). Retrieved from SciFinder. [2020-11-19].
- ^ Mokhtar Imit, Patigul Imin, Alex Adronov. Supramolecular interactions of fluorene-based copolymers containing 3,4-propylenedioxythiophene and phenazine units with SWNTs. Polymer Chemistry. 2016, 7 (33): 5241–5248 [2020-11-19]. ISSN 1759-9954. doi:10.1039/C6PY00730A (英语).
- ^ Svetlana Tšupova, Max M. Hansmann, Matthias Rudolph, Frank Rominger, A. Stephen K. Hashmi. New Pathways for the Dual Gold-Catalyzed Cyclization of Diynes. Chemistry - A European Journal. 2016-11-02, 22 (45): 16286–16291 [2020-11-19]. doi:10.1002/chem.201602873 (英语).