Publications by authors named "Jeongha Chun"

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A new DNA building block, 4'-selenothymidine: synthesis and modification to 4'-seleno-AZT as a potential anti-HIV agent.

Org Lett 2010 May;12(10):2242-5

Department of Bioinspired Science and Laboratory of Medicinal Chemistry, College of Pharmacy, Ewha Womans University, Seoul 120-750, Korea.

The first synthesis of 4'-selenothymidine (1), a novel DNA building block, and 4'-seleno-AZT (2) was accomplished from 2-deoxy-d-ribose via stereoselective formation of 2-deoxy-4-seleno-d-furanose 17 and a Pummerer-type base condensation as key steps. 4'-Selenothymidine (1) was discovered to adopt the same 2'-endo/3'-exo conformation as thymidine, which is unusual in that 4'-selenouridine has the opposite conformation to that of uridine.
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May 2010