Landelle H, Laduree D, Cugnon de Sevricourt M, Robba M. [Synthesis and pharmacologic study of pyridazino[4,5-b]carbazoles].
Chem Pharm Bull (Tokyo) 1989;
37:2679-82. [PMID:
2692856 DOI:
10.1248/cpb.37.2679]
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Abstract
Cyclization reaction of hydrazine with carbazole-2,3-methyl dicarboxylates gave 1,4-dioxo-1,2,3,4-tetrahydropyridazino[4,5-b]carbazoles. Chlorodehydroxylation provided 1,4-dichloropyridazino[4,5-b]carbazoles and nucleophilic substitution gave 1,4-dialkoxy pyridazino[4,5-b]carbazoles. These compounds were tested for cytotoxic activity against L1210 leukemia in mice.
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