4,4'-二氯二苯基砜
4,4′-Dichlorodiphenyl sulfone | |
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系统名 1,1′-Sulfonylbis(4-chlorobenzene) | |
别名 | DCDPS |
识别 | |
CAS号 | 80-07-9 |
PubChem | 6625 |
ChemSpider | 6373 |
SMILES |
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InChI |
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InChIKey | GPAPPPVRLPGFEQ-UHFFFAOYAQ |
性质 | |
化学式 | C12H8Cl2O2S |
摩尔质量 | 287.16 g·mol−1 |
外观 | White solid |
熔点 | 148 °C(421 K) |
沸点 | 397 °C(670 K) |
溶解性(水) | Insoluble |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
4,4'-二氯二苯基砜(DCDPS)是一种有机化合物,化学式为(ClC6H4)2SO2,是一种砜类有机物。[1]这种白色固体常用作刚性、耐高温的聚合物(如PES或Udel)的前体。[2]
合成与反应
DCDPS可由氯苯和硫酸反应得到,通常加入其它物质来使4,4'-异构体的产率最优化:
- ClC6H5 + SO3 → (ClC6H4)2SO2 + H2O
当氯被活化后,DCDPS可用于聚砜的合成。
- n (ClC6H4)2SO2 + n NaO−X−ONa → [(O−X−OC6H4)2SO2]n + 2n NaCl
延伸阅读
- Graybill, Bruce M. Synthesis of aryl sulfones. The Journal of Organic Chemistry. 1967, 32 (9): 2931–2933. doi:10.1021/jo01284a075.
- Udel Polysulfone Design Guide (报告). Alpharetta, GA: Solvay Advanced Polymers: 7–10.
- Radel PPSU, Veradel PESU and Acudel modified PPSU Design Guide by Solvay(页面存档备份,存于互联网档案馆)
参考文献
- ^ Sime, J. G; Abrahams, S. C. The crystal and molecular structure of 4,4′-dichlorodiphenyl sulphone (PDF). Acta Crystallographica. 1960, 13 (1): 1–9. doi:10.1107/S0365110X60000017.
- ^ Parker, David; Bussink, Jan; Grampel, Hendrik T.; Wheatley, Gary W.; Dorf, Ernst‐Ulrich; Ostlinning, Edgar; Reinking, Klaus; Schubert, Frank; Jünger, Polymers, High‐Temperature, Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, 2005, doi:10.1002/14356007.a21_449.pub3
- ^ Kovacic, Peter; Brace, Neal O. Chlorination of Aromatic Compounds with Metal Chlorides. Journal of the American Chemical Society. 1954, 76 (21): 5491–5494. doi:10.1021/ja01650a069.