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A. Kumar, D. W. Boykin, W. D. Wilson, S. K. Jones, B. K. Bender, C. C. Dykstra, J. E. Hall and R. R. Tidwell, “Anti-Pneumocystis Carinii Pneumonia Activity of Dica- Tionic 2,4-Diarylpyrimidines,” European Journal of Medicinal Chemistry, Vol. 31, No. 10, 1996, pp. 767-773. doi:10.1016/0223-5234(96)83970-5

has been cited by the following article:

• TITLE: Synthesis of Novel Bis-enaminones by KHSO4-assisted Facile Michael Addition-elimination Reaction of 3-(dimethylamino)-1-phenylprop-2-en-1-ones with Diamines in Water

  AUTHORS: Asem Satyapati Devi, Philippe Helissey, Jai Narain Vishwakarma

  KEYWORDS: Enaminone, Bis-enaminone, Formylated Acetophenone, Michael Addition-Elimination, Formylation, Dimethylformamide-dimethylacetal

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.1 No.2, April 13, 2011

  ABSTRACT: 3-(Dimethylamino)-1-phenylprop-2-en-1-ones (formylated acetophenones) 1 reacted with aliphatic diamines in water assisted by KHSO4 to give bis-enaminones 2a-h in good yields. Compound 1 also reacted with o-phenylenediamine under similar conditions to produce bis-enaminones 3 instead of benzodiazepines 4 in excellent yields.