When Ethyl Isocyanoacetate Meets Isatins: A 1,3-Dipolar/Inverse 1,3-Dipolar/Olefination Reaction for Access to 3-Ylideneoxindoles
作者:Wen-Kui Yuan、Tao Cui、Wei Liu、Li-Rong Wen、Ming Li
DOI:10.1021/acs.orglett.8b00217
日期:2018.3.16
A new CuI/1,10-phen-catalyzed reaction for the synthesis of 3-ylideneoxindoles from readily available isatins and ethyl isocyanoacetate, in which ethyl isocyanoacetate acts as a latent two-carbon donor like the Wittig reagent, is reported. A tandem procedure including 1,3-dipolar cycloaddition/inverse 1,3-dipolar ring opening/olefination allows the preparation of 3-ylideneoxindoles with broad functional
据报道,一种新的CuI / 1,10-phen催化的反应可从易得的靛红和异氰基乙酸乙酯合成3-亚苄基吲哚,其中异氰基乙酸乙酯像Wittig试剂一样是潜在的二碳供体。串联程序包括1,3-偶极环加成反应/ 1,3-偶极反环开环反应/烯化反应,可以制备具有宽泛的官能团耐受性的3-亚硝基氧吲哚。