of hetareno[e]pyrrole-2,3-diones (1H-pyrrole-2,3-diones fused through the N–C bond to nitrogen heterocycles) by the action of binucleophiles provide convenient methods for the synthesis of various five-, six-, and seven-membered nitrogen heterocycles, as well as fused, bridged, and spiro heterocyclic systems [1–5]. We previously showed that reactions of 3-acylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4triones
hetareno[e]pyrrole-2,3-diones(1H-pyrrole-2,3-diones 通过 N-C 键与氮杂环稠合)的杂环化反应为合成各种五,六元和七元氮杂环,以及稠合、桥接和螺杂环系统 [1-5]。我们之前表明 3-酰基
吡咯并[2,1-c][1,4]benzoxazine-1,2,4triones(1H-pyrrole-2,3-diones 通过 N-C 键与 1,4- benzoxazin-2-one) 与 C,O[5, 6]、C,N[5, 7-9] 和 N,N-1,3-双亲核试剂 [5, 10] 生成螺[furan-3 ,2'-
吡咯]、2,3'-螺联
吡咯和螺[
咪唑-4,2'-
吡咯]衍
生物。之前没有研究过
吡咯并苯并恶嗪三酮与 N,S-1,3-双亲核试剂的反应。