Abstract
In the title compound, C19H19ClO4, the dihydropyran ring and the cyclohexane ring adopt a half-chair conformation and a chair conformation, respectively. The cyclohexene ring has an envelope conformation with the central CH2 C atom as the flap. This atom is disordered over two positions [site-occupancy ratio = 0.744 (12):0.256 (12)] above and below the mean plane formed by the other five atoms. In the crystal, O—H⋯O hydrogen bonds between hydroxy and carbonyl groups link molecules into chains propagating along [001].
Highlights
Data collectionKey indicators: single-crystal X-ray study; T = 291 K; mean (C–C) = 0.003 Å; disorder in main residue; R factor = 0.042; wR factor = 0.137; data-to-parameter ratio = 14.1
In the title compound, C19H19ClO4, the dihydropyran ring and the cyclohexane ring adopt a half-chair conformation and a chair conformation, respectively
The cyclohexene ring has an envelope conformation with the central CH2 C atom as the flap. This atom is disordered over two positions [siteoccupancy ratio = 0.744 (12):0.256 (12)] above and below the mean plane formed by the other five atoms
Summary
Key indicators: single-crystal X-ray study; T = 291 K; mean (C–C) = 0.003 Å; disorder in main residue; R factor = 0.042; wR factor = 0.137; data-to-parameter ratio = 14.1. C19H19ClO4, the dihydropyran ring and the cyclohexane ring adopt a half-chair conformation and a chair conformation, respectively. The cyclohexene ring has an envelope conformation with the central CH2 C atom as the flap. This atom is disordered over two positions [siteoccupancy ratio = 0.744 (12):0.256 (12)] above and below the mean plane formed by the other five atoms. H O hydrogen bonds between hydroxy and carbonyl groups link molecules into chains propagating along [001]
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