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Issue 75, 2016, Issue in Progress
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Racemization barriers of atropisomeric 3,3′-bipyrroles: an experimental study with theoretical verification

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Abstract

The significant rotational energy barrier about the stereogenic carbon–carbon bond of axially chiral 3,3′-bipyrroles has been investigated by electronic circular dichroism (ECD) spectroscopy, time dependent HPLC analysis, and computational modeling. The results elucidate pathways and transition states involved in configurational inversion, thereby confirming that 3,3′-bipyrrole derivatives can exist in stable and isolable atropisomeric forms.

Graphical abstract: Racemization barriers of atropisomeric 3,3′-bipyrroles: an experimental study with theoretical verification

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The article was received on 23 Mar 2016, accepted on 20 Jul 2016 and first published on 21 Jul 2016


Article type: Communication
DOI: 10.1039/C6RA07585A
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RSC Adv., 2016,6, 71245-71249

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    Racemization barriers of atropisomeric 3,3′-bipyrroles: an experimental study with theoretical verification

    S. Chatterjee, G. L. Butterfoss, M. Mandal, B. Paul, S. Gupta, R. Bonneau and P. Jaisankar, RSC Adv., 2016, 6, 71245
    DOI: 10.1039/C6RA07585A

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