title: Methyl 2-(4-hy-droxy-1-methyl-2-oxo-1,2-dihydro-quinolin-3-yl)acetate.
abstract: In the title compound, C(13)H(13)NO(4), the bicyclic quinolone fragment and the ester group are approximately orthogonal, making a dihedral angle of 83.3 (2)° and an intramolecular C-H⋯O interaction occurs. In the crystal, inter-molecular O-H⋯O hydrogen bonding generates a zigzag chain along the c axis.
authors: Svitlana V
authors: SV
authors: Shishkina
authors: Oleg V
authors: OV
authors: Shishkin
authors: Igor V
authors: IV
authors: Ukrainets
authors: Elena V
authors: EV
authors: Mospanova
references: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references: 18156677
references: Acta Crystallogr Sect E Struct Rep Online. 2009 Apr 08;65(Pt 5):o968
references: 21584010