2-氨基-5-甲基苯甲醇作为中间体或原料,可能用于医药、农药等领域的有机合成反应中,具体应用需结合具体合成路线和下游产品确定。
医药; 农药
路线1:以2-氨基-5-甲基苯甲酸为原料
- 步骤:在室温条件下,将氢化铝锂(20.4 mmol)悬浮于四氢呋喃(THF,10 mL)中,随后在20分钟内缓慢滴加溶解于THF(24 mL)中的2-氨基-5-甲基苯甲酸(8.5 mmol)溶液;反应混合物在室温下持续搅拌3.5小时;反应完成后,在0℃下用去离子水(10 mL)小心淬灭反应;将所得悬浮液通过硅藻土垫过滤,滤饼用乙酸乙酯(EtOAc,100 mL)充分洗涤;合并的有机相用饱和食盐水(30 mL)洗涤,无水硫酸镁(MgSO₄)干燥,最后在减压下浓缩,得到目标产物2-氨基-5-甲基苯甲醇。
- 条件:室温(20℃)反应3.5小时,0℃淬灭。
- 收率:93%。
- 参考文献:[1] ACS Catalysis, 2013, vol. 3, #4, p. 622-624;[2] Chemical Communications, 2017, vol. 53, #1, p. 216-219;[3] Organic Letters, 2017, vol. 19, #12, p. 3219-3222;[4] Tetrahedron Letters, 2017, vol. 58, #40, p. 3795-3799;[5] Patent: US5190971, 1993, A;[6] Journal of Organic Chemistry, 2008, vol. 73, #11, p. 4252-4255;[7] Chemistry - A European Journal, 2012, vol. 18, #18, p. 5530-5535;[8] Tetrahedron, 2014, vol. 70, #34, p. 5114-5121;[9] Tetrahedron, 2014, vol. 70, #34, p. 5114-5121;[10] Synthesis (Germany), 2014, vol. 46, #24, p. 3365-3373;[11] Angewandte Chemie, International Edition, 2014, vol. 53, #36, p. 9603-9607,5;[12] Angewandte Chemie, 2014, vol. 126, #36, p. 9757-9761,5;[13] Organic Letters, 2015, vol. 17, #19, p. 4750-4753;[14] Organic Letters, 2018, [15] Journal of Organic Chemistry, 2016, vol. 81, #19, p. 9046-9074;[16] Organic and Biomolecular Chemistry, 2016, vol. 14, #38, p. 8966-8970;[17] Angewandte Chemie - International Edition, 2016, vol. 55, #49, p. 15272-15276;[18] Angew. Chem., 2016, vol. 128, #49, p. 15498-15502,5;[19] Organic Letters, 2017, vol. 19, #19, p. 5236-5239;[20] Organic Letters, 2018, vol. 20, #6, p. 1526-1529;[21] Organic Letters, 2018, vol. 20, #10, p. 2939-2943;[22] Organic Letters, 2018, vol. 20, #10, p. 2880-2883