Design, Synthesis and Biological Evaluation of Hybrid Molecules Containing Conjugated Styryl Ketone and α-Bromoacryloyl Moieties

Author(s): Romeo Romagnoli, Pier Giovanni Baraldi, Olga Cruz-Lopez, Maria Kimatrai Salvador, Delia Preti, Mojgan Aghazadeh Tabrizi, Jan Balzarini, Alessandro Canella, Enrica Fabbri, Roberto Gambari

Journal Name: Letters in Drug Design & Discovery

Volume 9 , Issue 2 , 2012

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There was a major interest in the last years in the design of anticancer agents containing the 1,5-diaryl-3-oxo- 1,4-pentadienyl system. The modification of this pharmacophore by the introduction of an additional Michael acceptor represents a strategy to obtain novel potential antiproliferative agents. In a continuing study of hybrid compounds containing the α-bromoacryloyl moiety as potential anticancer drugs, we synthesized two novel series of hybrids 3a-i and 4a-i, in which this moiety was linked to the 1,5-diaryl-1,4-pentadien-3-one system. Many of the conjugates prepared (3b, 3c and 3g) demonstrated pronounced antiproliferative activity against five cancer cell lines, being more active than the reference compound Melphalan. Compounds 3e and 4b were also examined for their effects on the cell cycle progression of K562 cells. The detection of a sub-G1 peak upon incubation with these compounds suggested that 3e and 4b also exert their growth inhibiting effects by induction of apoptosis.

Keywords: bromoacryloyl moiety, diarylidene ketone, Inhibition of tumor cell growth, Antiproliferative agents, antiproliferative activities, lethal effects, malignant cells, -unsaturated ketones, pharmacophores, Michael acceptors, bromoacrylamido derivative, pyrroloiminoquinone, cytotoxic alkaloids

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Article Details

Year: 2012
Page: [140 - 152]
Pages: 13
DOI: 10.2174/157018012799079842
Price: $65

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