Facile synthesis, spectroscopic characterization and X-ray analysis of 4-alkoxylated 2-hydroxybenzophenones

► A facile synthesis of 4-alkoxylated 2-hydroxybenzophenones. ► MS, 1H NMR, X-ray of 2-hydroxybenzophenones. ► Molecular structures are stabilized by hydrogen bonds and hydrophobic interactions. ► Alkoxy group influences intermolecular H-bonds and molecular stacking mode.