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  • Title: Synthesis and cytotoxic activity of acronycine derivatives modified at the pyran ring.
    Author: Elomri A, Skaltsounis AL, Michel S, Tillequin F, Koch M, Rolland Y, Pierré A, Atassi G.
    Journal: Chem Pharm Bull (Tokyo); 1996 Nov; 44(11):2165-8. PubMed ID: 8945782.
    Abstract:
    Nitration of acronycine (1) and 6-demethoxyacronycine (3) afforded 2-nitroacronycine (2) and 2-nitro-6-demethoxyacronycine (4), respectively. Reduction of 2-nitroacronycine yielded, depending on the conditions, 2-nitro-1,2-dihydroacronycine (5), 2-oxo-1,2-dihydroacronycine oxime (7) or 2-amino-1,2-dihydroacronycine (6). This latter was readily converted into 2-dimethylamino-1,2-dihydroacronycine (8), 2-acetylamino-1,2-dihydro-acronycine (9) and 2-benzoylamino-1,2-dihydroacronycine (10). The cytotoxicity of these compounds was evaluated against L1210 leukemia cells. Compounds 2 and 7 were 300- and 10-fold more potent than acronycine in inhibiting L1210 cell proliferation, respectively. Compound 2 was devoid of antitumor activity against P388 leukemia and C38 colon adenocarcinoma.
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