A set of donor–π-acceptor–π-donor type ferrocenyl substituted BODIPYs were designed and synthesized by the Sonogashira coupling reaction. These compounds exhibit red shifted absorption and poor fluorescence. The electrochemical properties of these compounds exhibit strong donor–acceptor interactions. The crystal structure of 3b exhibits an extensive hydrogen bonded 2-D network.
The article was received on 28 Aug 2012, accepted on 03 Oct 2012 and first published on 29 Oct 2012
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