53449-14-2

基本信息
6-硝基-7-氯喹唑啉-4-酮
7-氯-6-硝基喹唑啉-4-酮
7-氯-6-硝基-4-羥基喹唑啉
7-氯-4-羥基-6-硝基喹唑啉
7-氯-6-硝基喹唑啉-4(3H)-酮
7-氯-6-硝基喹唑啉-4-酮 25G
4(3H)-喹唑啉酮, 7-氯-6-硝基-
7-Chloro-6-nitro-4-quinazolinol
7-Chloro-6-nitroquinazolin-4(3H)
7-Chloro-6-nitroquinazolin-4-one
7-Chloro-6-nitro-4-quinazolinone
7-CHLORO 6-NITRO QUINAZOLINE 4-OL
7-Chloro-6-nitro-4(3H)quinazolinone
6-Nitro-7-Chloro-4-HydroxyQuizoline
7-Chloro-6-nitro-3H-quinazolin-4-one
7-Chloro-6-nitroquinazolin-4(1H)-one
物理化學(xué)性質(zhì)
制備方法

31374-18-2

53449-14-2
以7-氯-4(3H)-喹唑啉酮為原料合成7-氯-4-羥基-6-硝基喹唑啉的一般步驟:向100 mL圓底燒瓶中加入濃硫酸(10 mL)和濃硝酸(5 mL),隨后加入7-氯-4(3H)-喹唑啉酮(10 g,55.4 mmol)。將反應(yīng)混合物在0℃下攪拌,然后緩慢加熱至90℃,并在該溫度下持續(xù)攪拌3小時(shí)。反應(yīng)完成后,將混合物冷卻至室溫,并小心倒入冰水中。通過過濾收集沉淀,用水充分洗滌,然后干燥。粗產(chǎn)物通過從乙酸中重結(jié)晶純化,得到7-氯-6-硝基喹唑啉-4(3H)-酮(6c),為淺黃色固體(9 g,收率72%)。產(chǎn)物的熔點(diǎn)為315-316℃;1H NMR(DMSO-d6,ppm):δ 12.79(寬峰,1H),8.67(單峰,1H),8.31(單峰,1H),8.01(單峰,1H)。
參考文獻(xiàn):
[1] Medicinal Chemistry Research, 2013, vol. 22, # 9, p. 4096 - 4109
[2] European Journal of Medicinal Chemistry, 2018, vol. 147, p. 227 - 237
[3] Patent: CN108484574, 2018, A. Location in patent: Paragraph 0133; 0134; 0135
[4] Patent: CN103382182, 2016, B. Location in patent: Paragraph 0272; 0273; 0276; 0277
[5] Patent: WO2008/33747, 2008, A2. Location in patent: Page/Page column 129
報(bào)價(jià)日期 | 產(chǎn)品編號 | 產(chǎn)品名稱 | CAS號 | 包裝 | 價(jià)格 |
2025/05/22 | C2332 | 7-氯-6-硝基-4-羥基喹唑啉 7-Chloro-6-nitro-4-hydroxyquinazoline | 53449-14-2 | 5G | 320元 |
2025/05/22 | XW534491422 | 7-氯-6-硝基-4-羥基喹唑啉 7-chloro-6-nitro-4(3h)quinazolinone;7-chloro-6-nitro-4-hydroxyquinazoline;7-chloro-4-hydroxy-6-nitroquinazoline | 53449-14-2 | 25G | 241元 |
2025/05/22 | C2332 | 7-氯-6-硝基-4-羥基喹唑啉 7-Chloro-6-nitro-4-hydroxyquinazoline | 53449-14-2 | 25G | 1175元 |