Synthesis of Unsymmetrical Pyrrolo[3,2-b]pyrrole-2,5-diones and Bis(quinazolin-4-on-2-yls) by Double-Anion-Capture Reactions of Unsymmetrical Oxaldi(arylimidoyl) Dichlorides
Synthesis of Unsymmetrical Bis(imidoyl)dichlorides of Oxalic Acid
作者:Falko Helmholz、Rita Schroeder、Peter Langer
DOI:10.1515/znb-2005-1112
日期:2005.11.1
Unsymmetrical oxalic acid-bis(imidoyl)dichlorides were prepared from ethyl 2-chloro-2-oxoacetate in three steps.
从乙酰氯乙酸乙酯经过三步反应制备了非对称草酸双(咪唑基)二氯化物。
FR1516276
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公开(公告)日:——
Synthesis of Unsymmetrical Pyrrolo[3,2-<i>b</i>]pyrrole-2,5-diones and Bis(quinazolin-4-on-2-yls) by Double-Anion-Capture Reactions of Unsymmetrical Oxaldi(arylimidoyl) Dichlorides
作者:Peter Langer、Falko Helmholz、Rita Schroeder
DOI:10.1055/s-2006-942460
日期:2006.8
Unsymmetrical pyrrolo[3,2-b]pyrrole-2,5-diones and bis(quinazolin-4-on-2-yls) were prepared by one-pot cyclisations of unsymmetrical oxaldi(arylimidoyl) dichlorides.
Synthesis of Unsymmetrical Pyrrolo[3,2-<i>b</i>]pyrrole-2,5-diones
作者:Peter Langer、Falko Helmholz、Rita Schroeder
DOI:10.1055/s-2003-42095
日期:——
The first unsymmetrical oxalic acid-bis(imidoyl)dichlorides were prepared and applied to the one-pot synthesis of the first unsymmetrical pyrrolo[3,2-b]pyrrole-2,5-diones and 2,2′-bis-quinazolin-4-ones.