西拉唑啉
化合物
西拉唑啉（INN：cirazoline）是α1A腎上腺素受體的完全激動劑、α1B和α1D腎上腺素受體的部分激動劑[1]以及α2腎上腺素受體的非選擇性拮抗劑。[2]據信，這種特性的組合可以使西拉唑啉成為有效的血管收縮劑。[2]
| 西拉唑啉 | |
|---|---|
| |
| IUPAC名 2-[(2-Cyclopropylphenoxy)methyl]-4,5-dihydro-1H-imidazole | |
| 識別 | |
| CAS號 | 59939-16-1 
|
| PubChem | 2765 |
| ChemSpider | 2663 |
| SMILES |
|
| InChI |
|
| InChIKey | YAORIDZYZDUZCM-UHFFFAOYAV |
| MeSH | Cirazoline |
| IUPHAR配體 | 515 |
| 性質 | |
| 化學式 | C13H16N2O |
| 摩爾質量 | 216.279 g/mol g·mol⁻¹ |
| 若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。 | |
據稱，西拉唑啉還可以通過激活大腦下丘腦室旁核中的α1腎上腺素受體來減少大鼠的食物攝入量。[3]服用西拉唑啉似乎還會通過激活相同的受體來損害猴子的空間記憶。[4][5]然而，在初步研究中，通過刺激α2腎上腺素受體，工作記憶得到了相對改善。[4]
參考資料
- ^ Horie, K; Obika, K; Foglar, R. Selectivity of the imidazoline α-adrenoceptor agonists (oxymetazoline and cirazoline) for human cloned α1-adrenoceptor subtypes. British Journal of Pharmacology. 1995, 116 (1): 1611–8. PMC 1908909
. PMID 8564227. doi:10.1111/j.1476-5381.1995.tb16381.x.
- ^ 2.0 2.1 Ruffolo, R. R. Jr.; Waddell, J. E. Receptor interactions of imidazolines. IX. Cirazoline is an α1 adrenergic agonist and an α2 adrenergic antagonist. Journal of Pharmacology and Experimental Therapeutics. 1982, 222 (1): 29–36. PMID 6123592.
- ^ Davies, B. T.; Wellman, P. J. Effects on ingestive behavior in rats of the α1-adrenoceptor agonist cirazoline. European Journal of Pharmacology. 1992, 210 (1): 11–16. PMID 1350985. doi:10.1016/0014-2999(92)90645-K.
- ^ 4.0 4.1 Arnsten, A.F.T.; Jentsch, J.D. The Alpha-1 Adrenergic Agonist, Cirazoline, Impairs Spatial Working Memory Performance in Aged Monkeys. Pharmacology Biochemistry and Behavior. September 1997, 58 (1): 55–59. ISSN 0091-3057. PMID 9264070. S2CID 20663570. doi:10.1016/s0091-3057(96)00477-7 .
- ^ Imbery, Irdmusa, Speidell, Streer, Griffin, Ted E., Mitra S., Andrew P., Mark S., John D. The effects of Cirazoline, an alpha-1 adrenoreceptor agonist, on the firing rates of thermally classified anterior hypothalamic neurons in rat brain slices. Brain Research. 15 December 2007, 1193: 93–101. PMC 2268753 . PMID 18184607. doi:10.1016/j.brainres.2007.12.016.
