SYNTHESIS OF SPIN LABELED ANALOGUE OF PODOPHYLLOTOXIN GLYCOSIDE
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Abstract
A novel spin labeled analogue of podophyllotoxin glycoside 9 was synthesized by condensing 4′-demthyl-epipodophyllotoxin-β-D-glucopyranose and 4-formyl-2,2,6,6-tetrahydropuridine in presence of p-TsOH and triethyl orthoformate. It was shown to exhibit activity compatable to VP-16-213 in inhibiting L1210 cells.
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