1,4-二乙炔基苯
外观
1,4-二乙炔基苯 | |
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别名 | 对二乙炔基苯 |
识别 | |
CAS号 | 935-14-8 |
PubChem | 120463 |
ChemSpider | 107543 |
SMILES |
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InChI |
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InChIKey | MVLGANVFCMOJHR-UHFFFAOYSA-N |
性质 | |
化学式 | C10H6 |
摩尔质量 | 126.15 g·mol−1 |
外观 | 无色固体[1] |
密度 | 1.202 g/cm3(预测)[2] |
熔点 | 96.5 °C(205.7 °F;369.6 K)[1] |
结构[3] | |
晶体结构 | 单斜晶系 |
空间群 | P21/c(No. 14) |
晶格常数 | a = 3.887(1) Å, b = 5.931(2) Å, c = 15.114(6) Å |
晶格常数 | α = 90°, β = 90.84(3)°, γ = 90° |
危险性[4] | |
GHS危险性符号 | |
H-术语 | H317 |
P-术语 | P261, P272, P280, P302+352, P333+313, P362+364 |
相关物质 | |
相关化学品 | 苯乙炔 1,4-二乙基苯 1,4-二乙烯基苯 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
1,4-二乙炔基苯是化学式为C10H6的炔烃,外观呈无色固体。
合成与反应
[编辑]1,4-二乙烯基苯在氯仿里溴化后会产生1,4-二(1,2-二溴乙基)苯,后者与叔丁醇钾在叔丁醇里反应即可得到1,4-二乙炔基苯。[1]
1,4-二乙炔基苯的氢化反应会产生1,4-二乙烯基苯。[5]在氯化亚铜、氯化铵、氧气存在下,1,4-二乙炔基苯可发生缩合反应,生成低聚物。其外观为橙红色粉末,不溶于水和有机溶剂。[6]它还可与镍、钯形成配合物。[7]
应用研究
[编辑]参考资料
[编辑]- ^ 1.0 1.1 1.2 Hay, Allan. Notes- Preparation of m- and p-Diethynylbenzenes. The Journal of Organic Chemistry. 1960, 25 (4): 637–638. ISSN 0022-3263. doi:10.1021/jo01074a603.
- ^ Weiss, Hans-Christoph; Bläser, Dieter; Boese, Roland; Doughan, Brandon M.; Haley, Michael M. C–H···π interactions in ethynylbenzenes: the crystal structures of ethynylbenzene and 1,3,5-triethynylbenzene, and a redetermination of the structure of 1,4-diethynylbenzene. Chemical Communications. 1997, (18): 1703–1704. doi:10.1039/a704070i.
- ^ Weiss, H.-C.; Blaser, D.; Boese, R.; Doughan, B.M.; Haley, M.M., CCDC 740314: Experimental Crystal Structure Determination, 1998, doi:10.5517/CCSVC32
- ^ 来源:Sigma-Aldrich Co., 1,4-Diethynylbenzene (2024-07-13查阅).
- ^ Wienhöfer, Gerrit; Westerhaus, Felix A.; Jagadeesh, Rajenahally V.; Junge, Kathrin; Junge, Henrik; Beller, Matthias. Selective iron-catalyzed transfer hydrogenation of terminal alkynes. Chemical Communications. 2012, 48 (40): 4827. ISSN 1359-7345. doi:10.1039/c2cc31091k.
- ^ Kotlyarevskii, I.L.; Fisher, L.B.; Dulov, A.A.; Slinkin, A.A.; Rubinshtein, A.M. The synthesis and some physical properties of poly-p-diethynylbenzene. Polymer Science U.S.S.R. 1963, 4 (1): 58–68. doi:10.1016/0032-3950(63)90544-6.
- ^ Ballester, L.; Cano, M.; Santos, A. New nickel(II), palladium(II) and palladium(0) derivatives of p-diethynylbenzene. Journal of Organometallic Chemistry. 1982, 229 (1): 101–107. doi:10.1016/S0022-328X(00)89121-4.
- ^ Yanovskii, L. S.; Lempert, D. B.; Raznoschikov, V. V.; Averkov, I. S.; Zyuzin, I. N.; Zholudev, A. F.; Kislov, M. B. Prospects for the use of diethynylbenzene as a fuel dispersant for rocket ramjet engines. Russian Chemical Bulletin. 2019, 68 (10): 1848–1855. ISSN 1066-5285. doi:10.1007/s11172-019-2634-9.