Synthesis of tetrasubstituted imidazoles via α-(N-acyl-N-alkylamino)-β-ketoamides on Wang resin
作者:Chengzhi Zhang、Edmund J Moran、Thomas F Woiwode、Kevin M Short、Adnan M.M Mjalli
DOI:10.1016/0040-4039(95)02310-0
日期:1996.2
The first example of a four component condensation of arylglyoxals, 1° amines, carboxylic acids and isocyanides on Wang resin is described. These products can be cyclized in the presence of NH4OAcAcOH to yield tetrasubstituted imidazoles.
A more sustainable and highly practicable synthesis of aliphatic isocyanides
作者:K. A. Waibel、R. Nickisch、N. Möhl、R. Seim、M. A. R. Meier
DOI:10.1039/c9gc04070f
日期:——
A more sustainable and easier applicable synthesis of aliphatic isocyanides in DMC is introduced using non-hazardousp-toluenesulfonyl chloride as dehydration reagent.