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ECB. 2016; 5(12): 501-504 SYNTHESIS AND CRYSTAL STRUCTURE OF (E)-3-(4-
BUTOXYPHENYL)-1-(NAPHTHALEN-1-YL)-PROP-2-EN-1-ONESanjay Kumar, A. Jayashree, B. Narayana, B. K. Sarojini, László Kótai, Sumati Anthal, Rajni Kant. Abstract | | | | Chalcone derivative (E)-3-(4-butoxyphenyl)-1-(naphthalen-1-yl)prop-2-en-1-one (C23H22O2) crystallizes in monoclinic system with space
group 'P21/c ' and unit cell parameters: a = 15.1595(14) Å, b = 7.6644(7) Å, c = 15.8634(15) Å,
The crystal structure was
solved using direct methods and refined by full matrix least squares procédures to a final R-factor of 0.0911 for 1591 observed reflections.
The enone moiety adopts E conformation with respect to C12=C13 bond.The molecules in the unit cell are linked by weak C–H⋅⋅⋅O and π-π
interactions. The molecule contains two C–H⋅⋅⋅O intramolecular interactions which stabilizes the crystal structure
Key words: Chalcone; butoxyphenyl; crystallography; direct methods; enone; intramolecular interactions.
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