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Crystal Structure Theory and Applications of 14-Ethoxy-4,6,-dimethyl-8.12- dioxa-4.6-diazatetracyclo [8.8.0.02,7.013,18]octadeca-13,15,17-triene-3,5-dione

  • Ganapathy, Jagadeesan (Department of Physics, Presidency College) ;
  • Sivakumar, G. (Department of Organic Chemistry, University of Madras, Guindy Campus) ;
  • Manickam, Bakthadoss (Department of Organic Chemistry, University of Madras, Guindy Campus) ;
  • Sanmargam, Aravindhan (Department of Physics, Presidency College)
  • Received : 2015.01.24
  • Accepted : 2015.03.25
  • Published : 2015.03.30

Abstract

In view of the growing medicinal importance of chromene and its derivatives, the single crystal X-ray diffraction study was carried out for the potential active 4,6-dimethyl-9-phenyl-8,12-dioxa-4,6-diazatetracyclo [8.8.0.02,7.013,18]octadeca-2(7),13,15,17-tetraene-3,5,11-trione-2-ethoxyphenyl (2E)-but-2-enoate ($C_{18}H_{20}N_2O_5$). In the title compound are two molecules exist in the asymmetric unit. It crystallizes in the monoclinic space group $P2_1/c$ with unit cell dimension a=14.608(3) ${\AA}$, b=12.845(3) and c= 17.781(4) [alpha & gamma=$90^{\circ}$ beta=$91.233(5)^{\circ}$]. Both pyran and pyran ring of the chromene moiety adopts sofa conformation in the molecule A & B. The crystal structure is stabilized by intramolecular C-H...O hydrogen bond interaction.

Keywords

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