化学合成
化学合成
路线1:以1,5-二羟基萘为原料,溴为溴化剂
- 步骤:在氮气氛下,将1,5-二羟基萘(5.0g,31mmol)和少量碘溶解在乙酸(150ml)中;加热至80℃,滴加溴(3.2ml,62.4mmol),回流反应12小时;冷却至室温后加入纯水(50ml),过滤收集沉淀,用水冲洗并减压干燥,得到白色固体产物。
- 条件:Stage #1: 80℃、惰性气氛;Stage #2: 溴/乙酸、回流12小时。
- 收率:83%。
- 产物表征:1H-NMR(400MHz,CDCl3)δ5.99(s,2H,OH),7.39(d,2H,J=9.4Hz,ArH),7.70(d,2H,J=9.4Hz,ArH);EIMS(70 eV)m/z=318(M+)。
- 参考文献:[1] Journal of Organic Chemistry, 2017, vol.82, #15, p.8234-8241;[2] Patent: US2011/224445, 2011, A1. Location in patent: Page/Page column 19;[3] Patent: WO2013/149001, 2013, A2. Location in patent: Paragraph 00139;[4] Tetrahedron Letters, 2017, vol.58, #40, p.3854-3858;[5] Organic Electronics: physics, materials, applications, 2014, vol.15, #12, p.3558-3567;[6] Organic Letters, 2018, vol.20, #21, p.6632-6635;[7] Journal of Polymer Science, Part A: Polymer Chemistry, 2011, vol.49, #5, p.1119-1128;[8] Dalton Transactions, 2014, vol.43, #48, p.18017-18024;[9] Research on Chemical Intermediates, 2013, vol.39, #1, p.321-345;[10] Journal of the Chemical Society, 1942, p.236,239;[11] Journal of the American Chemical Society, 1930, vol.52, p.4872,4878;[12] Tetrahedron Letters, 1998, vol.39, #19, p.3051-3054;[13] Journal of Materials Chemistry C, 2013, vol.1, #10, p.1959-1969;[14] Journal of Materials Chemistry C, 2014, vol.2, #43, p.9258-9264
路线2:以1,5-二羟基萘为原料,N-溴代琥珀酰亚胺(NBS)为溴化剂
- 步骤:在氮气保护下,将1,5-二羟基萘(115.2g)悬浮于乙腈(800mL)中;缓慢滴加NBS的DMF溶液(400mL含NBS 254g),室温搅拌并通过GC-MS监测反应进程;反应完成后加水淬灭,过滤收集沉淀并大量水洗,得到产物。
- 收率:80%。
- 产物表征:质谱(ESI)分析结果:计算值(C10H6Br2O2)为317.9614,实测值为317.9。
- 参考文献:[1] Journal of Organic Chemistry, 2017, vol.82, #15, p.8234-8241;[2] Patent: US2011/224445, 2011, A1. Location in patent: Page/Page column 19;[3] Patent: WO2013/149001, 2013, A2. Location in patent: Paragraph 00139;[4] Tetrahedron Letters, 2017, vol.58, #40, p.3854-3858;[5] Organic Electronics: physics, materials, applications, 2014, vol.15, #12, p.3558-3567