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4,9-Dioxa-1,3(1,2)-dibenzena-2(4,5)-1,3-oxazolidinacyclononaphane

By B. Balakrishnan, P. R. Seshadri, S. Purushothaman and R. Raghunathan

Abstract

The oxazole ring in the title compound, C20H23NO3, adopts an envelope conformation while the 12-membered ring is in a chair conformation. The dihedral angle between the benzene rings is 37.8 (1)°. The crystal structure displays inter­molecular C—H⋯O hydrogen bonding

Topics: Organic Papers
Publisher: International Union of Crystallography
OAI identifier: oai:pubmedcentral.nih.gov:3051461
Provided by: PubMed Central

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Citations

  1. APEX2 and SAINT.
  2. Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) x y z Uiso*/Ueq
  3. (1975). In the crystal structure of the title compound the oxazole ring is twisted along N1 - C9 and adopts an envelope conformation with the atom C9 displaced by -0.360 (0) \%A from the plane of the other ring atoms N1/O1//C7/C8. The puckering parameters
  4. (2006). organic compounds Acta Cryst.