No abstract

The title compound, C23H28O2, was obtained from the reaction of acetone with meta‐cresol. The molecular structure consists of two identical subunits which are nearly perpendicular to each other. The oxygen‐containing rings are not planar and the molecule is chiral. The crystal structure consists of chains of molecules of the same chirality arranged along the [010] axis.

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The title compound, C19H20O3, was obtained, among other condensation products, from the reaction of meta‐cresol and levulinic acid. The pyrane ring closure does not alter significantly the environment of the ethereal linkage in comparison with diaryl ethers. The deformations of the endocyclic valence angles in the benzene rings, centred on the C atoms substituted with alkyl groups, is greater than expected. The molecular packing is influenced by O—H...O hydrogen bonds, leading to centrosymmetric dimers.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.