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Chemistry of 6H-pyrido[4,3-b]carbazoles part II: synthetic approaches to 6H-9-methoxy-5, 11-dimethylpyrido[4,3-b] fluorenes

โœ Scribed by Andrew Popplestone; Malcolm Sainsbury

Book ID
108372048
Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
470 KB
Volume
39
Category
Article
ISSN
0040-4020

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โœ Ross Bruce S; Archer Sydney ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 181 KB

A synthesis of 5-hydroxymethyl-ll-methyl-6H-pyrido[4,3-b]carbazole and the correspondinq 5-formvl derivative. 17-oxoellioticine.3 is described, the key feature of which-is the use of the KrohnkeI aldehyde synthesis to effect the debenzylation of a p-nitrobenzyl-pyridinium salt under mild conditions.