In the title compound, C19H20O5, the pyran ring is in an envelope conformation, whereas the benzene and dihydropyran ring system is planar with an r.m.s. deviation of 0.0190 (1) Å. The hydroxy group is coplanar with the attached benzene ring [r.m.s. deviation = 0.0106 (1) Å]. An intramolecular O—H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked into chains along the b axis by weak C—H⋯O interactions. These chains are stacked along the a axis. C—H⋯π and weak π–π interactions [centroid–centroid distance = 3.7698 (7) Å] are also observed
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