甲基吡啶鎓鹽

化合物

甲基吡啶鎓鹽是一種吡啶的衍生物,可以通過吡啶N-甲基化反應得到。在某些咖啡產品中可以找到它。 [1] 它不存在於未經烘焙的咖啡豆中,而是在烘焙過程中由其前體化學品葫蘆巴鹼英語trigonelline形成的。 [1] 科學家正在研究它的潛在抗癌特性, [2] 特別是對結腸癌的作用。 [1]

甲基吡啶鎓鹽
IUPAC名
1-Methylpyridinium
別名 N-Methylpyridinium
識別
CAS號 694-56-4  checkY
PubChem 13597
ChemSpider 13008
SMILES
 
  • C[n+]1(ccccc1)
InChI
 
  • 1/C6H8N/c1-7-5-3-2-4-6-7/h2-6H,1H3/q+1
InChIKey PQBAWAQIRZIWIV-UHFFFAOYAW
性質
化學式 C6H8N+
莫耳質量 94.134 g/mol g·mol⁻¹
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。

離子液體

甲基吡啶鎓離子的氯化物(N-甲基吡啶鹽酸鹽)在液態是一種離子液體。 幾位作者在150 – 200°C(423 – 473 K)的溫度範圍內表徵了甲基吡啶鹽酸鹽與氯化鋅不同混合物的性能。 [3], [4], [5], [6]

參見

參考資料

  1. ^ 1.0 1.1 1.2 Highly Active Compound Found In Coffee May Prevent Colon Cancer. ScienceDaily. Oct 15, 2003 [2012]. (原始內容存檔於2021-03-02). 
  2. ^ Boettler, U; Volz, N; Pahlke, G; Teller, N; Kotyczka, C; Somoza, V; Stiebitz, H; Bytof, G; et al. Coffees rich in chlorogenic acid or N-methylpyridinium induce chemopreventive phase II-enzymes via the Nrf2/ARE pathway in vitro and in vivo. Molecular Nutrition & Food Research. 2011, 55 (5): 798–802. PMID 21448860. doi:10.1002/mnfr.201100115. 
  3. ^ Simonis, L.; Coppe, C.; Glibert, J.; Claes, P. Properties of mixtures of zinc chloride and N-methylpyridinium chloride in the molten state – I. Phase diagram and heats of mixing. Thermochimica Acta. 1986, 99: 223–232. doi:10.1016/0040-6031(86)85285-6. 
  4. ^ Claes, P.; Simonis, L.; Glibert, J. Properties of mixtures of zinc chloride and N-methylpyridinium chloride in the molten state – II. Specific mass, electrical conductivity and viscosity. Electrochimica Acta. 1986, 31 (12): 1525–1530. doi:10.1016/0013-4686(86)87071-2. 
  5. ^ Claes, P. F.; Coppe, C. R.; Simonis, L. A.; Glibert, J. E. Properties of mixtures of zinc chloride and N-methylpyridinium chloride in the molten state – III. Solubility of hydrogen chloride under atmospheric pressure and comparison with zinc chloride - N-ethylpyridinium bromide mixtures. Journal of Chemical and Engineering Data. 1987, 32 (1): 70–72. doi:10.1021/je00047a020. 
  6. ^ Marković, R.; Minić, D. M. Conductometric and thermal studies of fused Zn (II) salts containing methyl substituted pyridinium cations. Materials Chemistry and Physics. 1997, 50 (1): 20–24. doi:10.1016/S0254-0584(97)80178-2.