Solid-Phase Organic Synthesis of Methyl Isoxazole-5-carboxylates Based on Wang Resin–Bound 1-Phenylselenoacrylate
作者:Ni Tang、Shou-Ri Sheng、Qiao-Sheng Hu、Hong-En Qu、Ming-Zhong Cai
DOI:10.1080/00397911.2011.580641
日期:2012.11.15
Abstract A novel Wang resin–bound 1-phenylselenoacrylate reagent has been developed and used as dipolarophile for the 1,3-dipolar cycloaddition with nitrile oxides to the regioselective synthesis of methyl 3-substituted isoxazole-5-carboxylates in good yields and purities. GRAPHICAL ABSTRACT
摘要 开发了一种新型 Wang 树脂结合的 1-苯基硒基丙烯酸酯试剂,并将其用作偶极试剂,用于与腈氧化物的 1,3-偶极环加成反应,以区域选择性合成 3-取代异恶唑-5-羧酸甲酯,收率和纯度良好。图形概要