1-Hy-droxy-3,4-dimeth-oxy-10-methyl-acridin-9-one

Area of Science:

• Natural Product Chemistry
• Crystallography
• Organic Chemistry

Background:

• Zanthoxylum leprieurii fruits are a source of bioactive compounds.
• Understanding the molecular structure and interactions of natural products is crucial for their application.

Purpose of the Study:

• To determine the crystal structure of a compound isolated from Zanthoxylum leprieurii.
• To investigate the molecular geometry and intermolecular interactions of the title compound.

Main Methods:

• Single-crystal X-ray diffraction was used to analyze the crystal structure.
• Analysis of bond distances, angles, and hydrogen bonding interactions.

Main Results:

• The asymmetric unit contains two independent molecules of C16H15NO4.
• Each molecule exhibits near-planar ring systems with minor deviations.
• Intramolecular O-H⋯O hydrogen bonds are present within each molecule.
• Intermolecular C-H⋯O hydrogen bonds form a three-dimensional network in the crystal.

Conclusions:

• The crystal structure of the title compound from Zanthoxylum leprieurii was elucidated.
• The compound displays specific molecular planarity and forms an extensive hydrogen-bonding network in the solid state.