Affiliations 

  • 1 Departmento de Química, Universidade Federal de São Carlos, 13565-905 São Carlos, SP, Brazil
  • 2 Departmento de Física, Universidade Federal de São Carlos, 13565-905 São Carlos, SP, Brazil
  • 3 Instituto de Química, Universidade Estadual de Campinas, CP 6154, 13083-970 Campinas, SP, Brazil
  • 4 Programa de Pós Graduacão em Biotecnologia, Universidade Federal de São Carlos, 13565-905 São Carlos, SP, Brazil
  • 5 Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
Acta Crystallogr Sect E Struct Rep Online, 2014 Sep 1;70(Pt 9):o1020-1.
PMID: 25309202 DOI: 10.1107/S1600536814018327

Abstract

In the title compound, C17H15NO4, the conformation about the C=C double bond [1.348 (2) Å] is E with the ketone group almost co-planar [C-C-C-C torsion angle = 7.2 (2)°] but the phenyl group twisted away [C-C-C-C = 160.93 (17)°]. The terminal aromatic rings are almost perpendicular to each other [dihedral angle = 81.61 (9)°] giving the mol-ecule an overall U-shape. The crystal packing feature benzene-C-H⋯O(ketone) contacts that lead to supra-molecular helical chains along the b axis. These are connected by π-π inter-actions between benzene and phenyl rings [inter-centroid distance = 3.6648 (14) Å], resulting in the formation of a supra-molecular layer in the bc plane.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.