Abstract
The title compound, C10H12O4, was isolated from Illicium difengpi K.I.B et K.I.M. An intramolecular O—H...O hydrogen bond stabilizes the molecular conformation. In the crystal, the compound forms offset slanted stacks of alternating inversion-related molecules along the a axis direction. Intermolecular O—H...O hydrogen bonds link the molecules into double strands parallel to the [101] direction.
Highlights
The title compound, C10H12O4, was isolated from Illicium difengpi K.I.B et K.I.M
Intermolecular O—HÁ Á ÁO hydrogen bonds link the molecules into double strands parallel to the [101] direction
Illicium difengpi is a small shrub growing in Guangxi province of China, belonging to the family Illiciaceae (He et al, 2014)
Summary
Illicium difengpi is a small shrub growing in Guangxi province of China, belonging to the family Illiciaceae (He et al, 2014). The stem bark of I. difengpi is listed in the Chinese Pharmacopoeia It is an important traditional Chinese medicine and is mainly used as a treatment for rheumatic arthritics (Huang et al, 1996). An ongoing search for bioactive natural products from folk medicine resulted in the isolation of the title compound, which was previously obtained from Umbilicaria esculenta (Miyoshi) Minks (Qiu & Ding, 2001). The isolation of the title compound from the stem bark of I. difengpi and its crystal structure are reported here.
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