39536-54-4Relevant articles and documents
Electrochemical Conversion of Phthaldianilides to Phthalazin-1,4-diones by Dehydrogenative N?N Bond Formation
Kehl, Anton,Gieshoff, Tile,Schollmeyer, Dieter,Waldvogel, Siegfried R.
supporting information, p. 590 - 593 (2017/12/26)
The electrochemical synthesis of 6-membered rings via anodic dianilide N?N coupling is challenging due to concurring benzoxazole co-formation. The rigidity of the a phthalic acid backbone allows a novel access to phthalazin-1,4-diones by N?N bond formation using anodically generated amidyl radicals. Since conventional synthetic routes to phthalazin-1,4-diones require the use of toxic N,N′-diarylhydrazines and generate reagent waste, a safer and more sustainable approach is required. Easy accessible starting materials, a broad scope of applicable functional groups, promising yields, and a very simple set-up elevate this sustainable method.
A NEW METHOD FOR THE SYNTHESIS OF N-ARYLPHTHALISOIMIDES
Guirado, Antonio,Zapata, Andres,Fenor, Manuel
, p. 2633 - 2636 (2007/10/02)
N-arylphthalisoimides have been synthesized in almost quantitative yields by the reaction, under very mild conditions, of 3,3-dichlorphthalide with aromatic amines.
ACYLATION OF AZA CROWN ETHERS WITH N-SUBSTITUTED ISOPHTHALIMIDES
Ganin, E. V.,Makarov, V. F.,Luk'yanenko, N. G.,Kotlyar, S. A.
, p. 447 - 450 (2007/10/02)
Acylated aza crown ethers containing fragments of N-substituted phthalamic acids in the side chain were obtained by the reaction of monoaza-15-crown-5, monoaza-18-crown-6, and diaza-18-crown-6 with N-substituted isophthalimides.
