Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 1 (January 2012)

organic compounds

Acta Cryst. (2012). E68, o136-o137    [ doi:10.1107/S1600536811053098 ]


E. Govindan, K. SakthiMurugesan, A. SubbiahPandi, P. Yuvaraj and B. S. R. Reddy

Abstract: In the title compound, C23H19N3O4, the pyran ring adopts a half-chair conformation, while the pyrrolidine (with a C atom as the flap atom) and the five-membered ring in the indoline (with a C atom as the flap atom) ring system adopt slight envelope conformations. The pyrrolidine ring makes dihedral angles of 83.3 (1) and 60.4 (1)° with the mean plane through all non-H atoms of the indoline and chromene ring systems, respectively. In the crystal, mol­ecules are connected by two unique N-H...O and O-H...O hydrogen-bonding inter­actions, which form centrosymmetric patterns described by graph-set motifs R22(18) and R22(14). These two motifs combine to form a hydrogen-bonded chain which propagates in the a-axis direction. The crystal structure is also stablized by C-H...O inter­actions and by aromatic [pi]-[pi] stacking inter­actions between the pyran and benzene rings of neighbouring mol­ecules [centroid-centroid distance = 3.755 (1) Å and slippage = 1.371 (2) Å].

htmldisplay filedownload file

Hyper-Text Markup Language (HTML) file
[ doi:10.1107/S1600536811053098/nk2121sup0.html ]
Supplementary materials

cmldisplay filedownload file

Chemical Markup Language (CML) file
[ doi:10.1107/S1600536811053098/nk2121Isup3.cml ]
Supplementary material


To open or display or play some files, you may need to set your browser up to use the appropriate software. See the full list of file types for an explanation of the different file types and their related mime types and, where available links to sites from where the appropriate software may be obtained.

The download button will force most browsers to prompt for a file name to store the data on your hard disk.

Where possible, images are represented by thumbnails.

 bibliographic record in  format

  Find reference:   Volume   Page   
  Search:     From   to      Advanced search

Copyright © International Union of Crystallography
IUCr Webmaster