Diversity-oriented synthesis of three skeletally diverse iminolactones from isocyanides, activated acetylenes and 1H-pyrrole-2,3-diones via [3+2] and [4+1] cycloaddition reactions
作者:Anna A. Moroz、Vladimir E. Zhulanov、Maksim V. Dmitriev、Andrey N. Maslivets
DOI:10.1016/j.tet.2019.130880
日期:2020.1
facile method for the synthesis of two distinct iminolactones spiroannulated by pyrrole in one reaction was developed through the three-component [3 + 2] cycloaddition of 1H-pyrrole-2,3-diones and in situ generated dipoles from isocyanides and acetylenes. The [4 + 1] cycloaddition reaction of 4-aroyl substituted 1H-pyrrole-2,3-diones and isocyanides was utilized for the synthesis of iminolactones fused
通过1 H-吡咯-2,3-二酮的三组分[3 + 2]环加成反应,并从异氰酸酯和乙炔中原位生成偶极子,开发了一种简便的方法,可在一个反应中合成由吡咯环化的两个不同的亚氨基内酯。利用4-芳酰基取代的1 H-吡咯-2,3-二酮与异氰酸酯的[4 +1]环加成反应合成吡咯在[ c ]侧稠合的亚氨基内酯。这些协议的优点包括温和的无催化剂反应条件,以及可接触具有骨架多样性的三种类型的杂环。
KOLLENZ, G.;PENN, G.;DOLENZ, G.;AKCAMUR, Y.;PETERS, K.;PETERS, E. -M.;SCH+, CHEM. BER., 1984, 117, N 4, 1299-1309
作者:KOLLENZ, G.、PENN, G.、DOLENZ, G.、AKCAMUR, Y.、PETERS, K.、PETERS, E. -M.、SCH+
DOI:——
日期:——
OTT W.; KOLLENZ G.; ZIEGLER E., SYNTHESIS <SYNT-BF>, 1976, NO 8, 546-547
作者:OTT W.、 KOLLENZ G.、 ZIEGLER E.
DOI:——
日期:——
Kappe, C. Oliver; Terpetschnig, Ewald; Penn, Gerhard, Liebigs Annalen, 1995, # 3, p. 537 - 544
作者:Kappe, C. Oliver、Terpetschnig, Ewald、Penn, Gerhard、Kollenz, Gert、Peters, Karl、et al.