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Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues
Published on: February 17, 2017
Trehalose dihydrate from Tremella fuciformis
1The Key Laboratory of Medicinal and Edible Plants Resources Development of, Sichuan Education Commission, Chengdu University, Chengdu 610106, People's Republic of China.
Acta Crystallographica. Section E, Structure Reports Online
|August 21, 2012
Summary
This study details a disaccharide isolated from Tremella fuciformis. Its crystal structure reveals two chair-conformation rings linked by extensive hydrogen bonds.
Area of Science:
- Carbohydrate Chemistry
- Structural Biology
- Natural Product Chemistry
Background:
- Tremella fuciformis is a medicinal mushroom with a history of traditional use.
- Understanding the chemical structure of compounds from medicinal mushrooms is crucial for scientific validation.
- Disaccharides are complex carbohydrates with significant biological roles.
Purpose of the Study:
- To elucidate the crystal structure of a specific disaccharide isolated from Tremella fuciformis.
- To characterize the molecular conformation and intermolecular interactions within the crystal lattice.
Main Methods:
- Single crystal X-ray diffraction was employed to determine the molecular and crystal structure.
- Chemical formula and systematic nomenclature were established for the title compound.
Main Results:
- The compound is a dihydrate with the chemical formula C(12)H(22)O(11)·2H(2)O.
- The molecule consists of two six-membered pyran rings, both adopting a chair conformation.
- Extensive intermolecular hydrogen bonds (O-H⋯O) were observed, stabilizing the crystal structure.
Conclusions:
- The detailed structural analysis provides fundamental insights into the chemical nature of this disaccharide from Tremella fuciformis.
- The presence of extensive hydrogen bonding suggests specific interactions that may influence its physical properties and biological activity.

