71643-66-8 4-氯-2-碘苯酚
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安全说明
常温运输。危险性质:非危险化学品。Hazard Note:Irritant。海关编码:2908190090
用途与制备
主要用于化学合成领域,作为中间体参与多种有机化合物的制备反应。
化学合成
产率:99% 合成条件:With potassium iodide; sodium nitrite In hydrogenchloride; water 实验步骤:将2-氨基-4-氯苯酚(50g,0.35mol)溶于500ml 2.5N HCl中;冷却至0℃,缓慢加入25.25g(0.37mol)亚硝酸钠在50ml水中的溶液;搅拌30分钟后,缓慢加入70g(0.42mol)碘化钾在100ml水中的冷冻溶液;使反应混合物温度升至室温,搅拌过夜;用乙酸乙酯萃取,减压蒸馏除去溶剂,得到4-氯-2-碘苯酚(89.7g,收率99%)。 参考文献:[1] Patent: US6046212, 2000, A;[2] Patent: US6136848, 2000, A;[3] Patent: WO2003/84917, 2003, A1;[4] Patent: WO2006/23852, 2006, A2;[5] Journal of Medicinal Chemistry, 1997, vol. 40, #7, p.1075-1089;[6] Tetrahedron Letters, 2002, vol.43, #51, p.9377-9380;[7] Patent: US2008/15179, 2008, A1。
产率:100% 合成条件:With boron tribromide In dichloromethane at 20℃; 实验步骤:将4-氯-2-碘苯甲醚(2.68g,10mmol)在无水二氯甲烷(60ML)中的搅拌溶液用三溴化硼处理(室温下加入15.0ml 1M溶液);反应过夜后用100ml水淬灭;用二氯甲烷萃取,有机层经盐水洗涤、硫酸钠干燥、真空浓缩,快速硅胶柱色谱纯化得到4-氯-2-碘苯酚(0.75克,2.96毫摩尔)。 参考文献:[1] Patent: WO2005/9993, 2005, A1;[2] Bioorganic and Medicinal Chemistry Letters, 2009, vol.19, #9, p.2599-2603;[3] Organic Process Research and Development, 2010, vol.14, #4, p.820-831;[4] Bioorganic and Medicinal Chemistry Letters, 2006, vol.16, #10, p.2666-2671;[5] Patent: US2005/250753, 2005, A1;[6] Patent: WO2006/66968, 2006, A1;[7] Patent: WO2007/128752, 2007, A1。
:68% :With potassium hydrogensulfate; isoquinolinium dichromate; potassium iodide In water at 20℃; Sonication; :将1毫摩尔(0.01mol)有机底物(酚、苯胺或乙酰苯胺)、0.001mol碘化钾(KBr)、约50mg稀KHSO4和高价Cr(VI)试剂(IQCC或IQDC)悬浮于约30mL溶剂(DCE或ACN)中;在室温下超声处理约30-40分钟;TLC监测反应进程;完成后按常规方法处理得到4-氯-2-碘苯酚。 :[1] Journal of the Brazilian Chemical Society, 2010, vol.21, #1, p.3-6;[2] Synthetic Communications, 2006, vol.36, #13, p.1915-1917;[3] Journal of Chemical Research, 2006, #9, p.575-576;[4] Tetrahedron Letters, 2007, vol.48, #1, p.81-83;[5] Synthetic Communications, 2008, vol.38, #17, p.2881-2888;[6] Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry, 2011, vol.41, #3, p.258-261;[7] Tetrahedron, 2010, vol.66, #11, p.2077-2082;[8] Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry, 2016, vol.46, #6, p.832-837;[9] Tetrahedron Letters, 2010, vol.51, #16, p.2170-2173;[10] Chemical Communications, 2017, vol.53, #31, p.4370-4373;[11] RSC Advances, 2014, vol.4, #12, p.6267-6274;[12] Tetrahedron, 1995, vol.51, #31, p.8555-8564;[13] Journal of Medicinal Chemistry, 2005, vol.48, #20, p.6326-6339;[14] Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical & Analytical, 1981, vol.20, #2, p.133-135;[15] Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical & Analytical, 1986, vol.25, #3, p.289-291;[16] Journal of the Indian Chemical Society, 1939, vol.16, p.477;[17] Journal of Organic Chemistry, 1990, vol.55, #18, p.5287-5291;[18] Journal of Organic Chemistry, 2005, vol.70, #15, p.6097-6100;[19] Journal of Organic Chemistry, 2006, vol.71, #19, p.7485-7487;[20] Tetrahedron Letters, 2007, vol.48, #35, p.6124-6128;[21] Synlett, 2007, #14, p.2227-2231;[22] Patent: US2002/143017, 2002, A1;[23] Phosphorus, Sulfur and Silicon and the Related Elements, 2009, vol.184, #3, p.651-659;[24] Organic Letters, 2010, vol.12, #1, p.192-195;[25] Catalysis Letters, 2010, vol.137, #3-4, p.190-201;[26] International Journal of Chemical Kinetics, 2013, vol.45, #11, p.693-702;[27] Advanced Synthesis and Catalysis, 2013, vol.355, #17, p.3401-3406。