📜(2,4-二氟苯基)乙基碳酸酯置于palladium On Activated Charcoal 甲醇,硫酸,氢气,硝酸,碳酸氢钠体系中,用 乙酸乙酯 用作溶剂,化学反应 44.0H,反应生成5-氨基-2,4-二氟苯酚
参考文献:Synthesis Of An Ethyl 6-Amino-3,5-Difluorosalicylate Derivative By Sequential Regioselective Directed Ortho-Metalation; A Practical Synthesis Of4',5-Diamino-3',6,8-Trifluoroflavone,A Potent Antitumor Agent
标题:Synthesis Of An Ethyl 6-Amino-3,5-Difluorosalicylate Derivative By Sequential Regioselective Directed Ortho-Metalation; A Practical Synthesis Of4',5-Diamino-3',6,8-Trifluoroflavone,A Potent Antitumor Agent
摘要:描述了一种多克朗级合成4',5-二氨基-3',6,8-三氟黄酮的过程,该化合物是一种有效的抗肿瘤剂.在该过程中,通过使用连续的直接邻位金属化反应作为关键步骤,实现了将羰基引入到2-[2,4-二氟-5-(派氟酰氨基)苯氧基]四氢呋喃的酰胺基团邻位的区域选择性引入.
Doi:10.1055/s-1997-1379