This letter reports a new, two-step synthesis of symmetrical diarylamincs from 1,3-dinitroproparics, by their reaction with acrolein under basic conditions (Al2O3, neat), followed by aromatisation of the obtained 2,4-dinitrocyclohexanols, through their treatment with four equivalents of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), in acetonitrile as a solvent. and warming overnight at 60 degrees C. (c) 2006 Elsevier Ltd. All rights reserved
Unprecedented two-step synthesis of symmetrical diarylamines from 2-alkyl-1,3-dinitropropanes
BALLINI, Roberto;BARBONI, Luciano;GIARLO, Guido;PALMIERI, Alessandro
2006-01-01
Abstract
This letter reports a new, two-step synthesis of symmetrical diarylamincs from 1,3-dinitroproparics, by their reaction with acrolein under basic conditions (Al2O3, neat), followed by aromatisation of the obtained 2,4-dinitrocyclohexanols, through their treatment with four equivalents of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), in acetonitrile as a solvent. and warming overnight at 60 degrees C. (c) 2006 Elsevier Ltd. All rights reservedFile in questo prodotto:
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