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Khoobi, Mehdi,Ramazani, Ali,Foroumadi, Alireza,Souldozi, Ali,Ś,lepokura, Katarzyna,Lis, Tadeusz,Mahyari, Amir,Shafiee, Abbas,Joo, Sang Woo WILEY‐VCH Verlag 2013 Helvetica chimica acta Vol.96 No.5
<P><B>Abstract</B></P><P>Dialkylammonium dicyano(7‐methyl‐6‐oxo‐6<I>H</I>‐dibenzo[<I>b</I>,<I>d</I>]pyran‐9‐yl)methanides <B>4a</B>–<B>4j</B> are obtained in good yields <I>via</I> a simple reaction between 3‐acetylcoumarins (=3‐acetyl‐2<I>H</I>‐1‐benzopyran‐2‐ones) <B>1</B> and malononitrile (<B>2</B>) in EtOH (<I>Table 1</I>). In this reaction, a charge‐separated zwitterionic salt is formed.</P>
Crystal structure of 2-[benzyl-(7-oxo-cyclohepta-1,3,5-trienyl)-amino]-N-cyclohexylpropanamide
Ramazani, A.,Joo, S. W.,Amini, I.,Ś,lepokura, K.,Lis, T.,Souldozi, A. Springer Science + Business Media 2015 Journal of structural chemistry Vol.56 No.3
<P>The title compound 2-[benzyl-(7-oxo-cyclohepta-1,3,5-trienyl)-amino]-N-cyclohexylpropanemide is synthesized and studied by the single crystal X-ray diffraction method. The structure of the product was confirmed by IR, H-1 and C-13 NMR spectroscopy, and mass spectrometry. The tropone oxygen atom plays an important role in the solid-state molecular structure stabilization by being involved in intramolecular N-H center dot center dot center dot O and C-H center dot center dot center dot O contacts.</P>