Received 21 April 2008
aSchool of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, People's Republic of China,bSchool of Chemistry and Chemical Engineering, Sun Yat-sun University, Guangzhou 510275, People's Republic of China, and cDepartment of Applied Biology and Chemistry Technology, Polytechnic University of Hong Kong, Hong Kong, People's Republic of China
Correspondence e-mail: firstname.lastname@example.org
In the crystal structure of the title compound, C11H11NO4, intramolecular O-HO hydrogen bonding results in the formation of a planar five-membered ring, which is nearly coplanar with the quinoline group. Intermolecular N-HO hydrogen bonds link the molecules into centrosymmetric dimers.
Data collection: SMART (Bruker, 1998); cell refinement: SMART; data reduction: SAINT (Bruker, 1999); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HK2455 ).
Financial support from the National Science Foundation of China (grant No. 20072058), the 863 Foundation of China (grant No. 2003 A A624010) and Guangdong Pharmaceutical University is gratefully acknowledged.
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