2315-86-8

基本信息
3-溴-4-羥基苯甲腈
3-溴-4-羥基苯甲腈, 98+%
3-BROMO-4-HYDROXYBENZONITRILE
LABOTEST-BB LT01143437
TIMTEC-BB SBB005818
3-Bromo-4-hydroxybenzonitrile, 98+%
物理化學(xué)性質(zhì)
安全數(shù)據(jù)
常見問題列表

767-00-0

2315-86-8
在氮?dú)夥障拢瑢?-羥基苯甲腈(III)(5.0g,0.042mol)溶解于乙腈(50mL)中。將反應(yīng)混合物冷卻至-15℃,緩慢加入三氟甲磺酸(CF3SO3H)(3.7mL,6.3g,0.042mol)。維持反應(yīng)溫度在-15℃,分批加入N-溴代琥珀酰亞胺(NBS)(8.2g,0.046mol),共分6次加入。加畢,將反應(yīng)混合物恢復(fù)至室溫,繼續(xù)在氮?dú)夥障聰嚢?小時(shí),反應(yīng)進(jìn)程通過薄層色譜(TLC)監(jiān)控(展開劑:己烷/乙酸乙酯=75:25,檢測(cè)方法:UV和KMnO4顯色)。當(dāng)原料完全消耗后,用碳酸鈉(Na2CO3)水溶液稀釋反應(yīng)混合物,并用甲基叔丁基醚(MTBE)(3×50mL)萃取。合并有機(jī)層,用無水硫酸鈉干燥,減壓濃縮除去溶劑,得到3-溴-4-羥基苯甲腈(IV),為白色固體(7.7g,收率93%)。1H NMR(DMSO-d6,300MHz,300K):δ=8.04(d,J=2.2Hz,1H),7.63(dd,J=2.2Hz,8.5Hz,1H),7.04(d,J=8.5Hz,1H)。
參考文獻(xiàn):
[1] Patent: US9181298, 2015, B2. Location in patent: Page/Page column 33; Sheet 8
[2] Journal of Organic Chemistry, 2005, vol. 70, # 11, p. 4267 - 4271
[3] Patent: WO2010/142653, 2010, A1. Location in patent: Page/Page column 14
[4] Patent: CN103333134, 2016, B. Location in patent: Paragraph 0101; 0102
[5] RSC Advances, 2014, vol. 4, # 49, p. 25898 - 25903
知名試劑公司產(chǎn)品信息
3-Bromo-4-hydroxybenzonitrile, 99%(2315-86-8)
報(bào)價(jià)日期 | 產(chǎn)品編號(hào) | 產(chǎn)品名稱 | CAS號(hào) | 包裝 | 價(jià)格 |
2025/05/22 | A19400 | 3-溴-4-羥基苯甲腈, 98% 3-Bromo-4-hydroxybenzonitrile, 98% | 2315-86-8 | 5g | 426元 |
2025/05/22 | A19400 | 3-溴-4-羥基苯甲腈, 98% 3-Bromo-4-hydroxybenzonitrile, 98% | 2315-86-8 | 25g | 1942元 |
2025/05/22 | B2037 | 3-溴-4-羥基苯甲腈 3-Bromo-4-hydroxybenzonitrile | 2315-86-8 | 5G | 150元 |