Studies of Nucleosides and Nucleotides. XXXII. Purine Cyclonucleosides. 3. Synthesis of 2'-Deoxy- and 3'-Deoxyadenosine from Adenosine
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概要
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5'-O-Acetyl-8-bromo-2', 3'-O-isopropylideneadenosine was obtained either by bromination of 5'-O-acetyl-2', 3'-O-isopropylideneadenosine with N-bromoacetamide or by bromination of 2', 3'-O-isoropylideneadenosine followed by acetylation. 5'-O-Acetyl-8-bromoadenosine, obtained by the formic acid hydrolysis of the isopropylidene group, was tosylated to afford 2'-tosyl-, 3'-tosyl- and 2', 3'-di-O-tosyl-5'-O-acetyl-8-bromoadenosine. Reaction of these tosylates with thiourea followed by deacetylation gave 8,2'-anhydro-8-mercapto-9-β-D-arabinofuranosyladenine, 8,3'-anhydro-8-mercapto-9-β-D-xylofuranosyladenine and 8,2'-anhydro-8-mercapto-3'-O-tosyl-9-β-D-arabinosyladenine, respectively. Desulfurization of 8,2'-and 8,3'-anhydro derivatives gave 2'-deoxy- and 3'-deoxyadenosine (Cordycepin).
- 社団法人日本薬学会の論文
- 1967-01-25
著者
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池原 森男
Faculty of Pharmaceutical Sciences, Osaka University(Present address)
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多田 宏
Faculty Of Pharmaceutical Sciences Hokkaido University
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池原 森男
Faculty Of Pharmaceutical Sciences Osaka University
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