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The Pharmaceutical Society of Korea (대한약학회)
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Synthesis and Anti-HIV Activity of Sulfonated Amino Ribofuranans

  • Published : 2003.06.01
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Abstract

New sulfonated amino ribofuranans were synthesized to elucidate the relationship between structure and specific biological activities such as anti-HIV and blood anticoagulant activities. The synthesis was performed by sulfonation of copolymers having various proportion of (1$\rightarrow5)-\alpha$-D-ribofuranosidic unit. The sulfonation with piperidine N-sulfonic acid produced the sulfonated amino ribofuranans in high yield. The anti-HIV activity of sulfonated 3-amino-3-deoxy-(1$\rightarrow5)-\alpha$-D-ribofuranan showed more potent by increasing the degree of sulfonation and the average molecular weights. This activity was almost equal to the activities of sulfonated ribofuranans and ribopyranans reported before in spite of low molecular weight. The blood anticoagulant activities was observed at 36-48 mg/units, more potent than standard dextran sulfonate, 22.7 mg/units. In addition, the blood anticoagulant activities of sulfamide-copolysaccharide consisting various proportion of (1$\rightarrow5)-\alpha$-D-ribofuranan units were potentiated by increasing sulfonated amino-ribofuranan units from 13 to 21 mg/units.

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