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2',3'-Didehydro-2',3'-dideoxy-5-hydroxymethyluridine
U Pugazhenthi1, L T Delbaere, S V Kumar
1Department of Chemistry, University of Saskatchewan, Saskatoon, Canada.
Summary
This study details the specific three-dimensional structure of a molecule, C10H12N2O5, focusing on its furanose ring conformation and key torsion angles. Understanding this molecular geometry is crucial for nucleoside analog research.
Area of Science:
- Structural Chemistry
- Molecular Biology
- Crystallography
Background:
- Nucleoside analogs are vital in antiviral and anticancer therapies.
- Precise knowledge of their three-dimensional structure is essential for understanding their biological activity.
- The furanose ring conformation significantly impacts nucleoside analog function.
Purpose of the Study:
- To elucidate the detailed solid-state conformation of the molecule C10H12N2O5.
- To characterize the furanose ring conformation and key torsion angles.
- To provide structural data for nucleoside analog design and development.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed.
- The molecular structure was determined and refined.
- Conformational analysis of the furanose ring and substituent groups was performed.
Main Results:
- The furanose ring of C10H12N2O5 adopts an O(4')-endo envelope conformation (0E).
- The glycosidic torsion angle (chi) was determined to be 245.2(3) degrees.
- The CH2OH group at C(5') exhibits a trans (t) conformation with a gamma angle of 179.2(2) degrees.
Conclusions:
- The study provides precise structural parameters for C10H12N2O5.
- These findings contribute to the understanding of nucleoside analog structural diversity.
- The determined conformation can inform the design of novel therapeutic agents.