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Syntheses de Chromenes Substitues Synthèse du diméthoxy-6-7 diméthyl-2-2 Δ-3 chroméne (agératochroméne)

✍ Scribed by R. Huls

Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
498 KB
Volume
67
Category
Article
ISSN
0037-9646

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## Abstract Starting from 3, 4‐dimethylfluorene the title compound, 5, 6‐dimethyl‐7, 12‐dihydro‐indeno[1,2‐a]fluorene (IV), is synthesized in four steps (overall yield 9%). The same hydrocarbon is also obtained in four steps starting from the phthalaconecarboxylic acid of __Gabriel__. This corrobor