2005 Volume 21 Pages x45-x46
The title compound, 6-methoxy-4-quinolone (3), was synthesized by the oxidation of 5-methoxyindole-3-acetic acid (2), and its crystal structure was determined by X-ray diffraction analysis. The compound crystallized in the monoclinic system, space group P21/n, with cell parameters of a = 4.547(2)Å, b = 16.328(8)Å, c = 13.731(4)Å, β = 92.38(2)°, and Z = 4. The final residual factor was 0.064.