Synthèses dans la série des bis-indéno-anthracènes, II [1] Le dihydro-9,16-bis-indéno[2.1-α; 1′,2′-c]anthracène
✍ Scribed by Louis Chardonnens; François Schorderet
- Publisher
- John Wiley and Sons
- Year
- 1971
- Tongue
- German
- Weight
- 200 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Abstract
Starting from 3,3′‐bi‐indenyle and 1,4‐naphthoquinone the title compound, III, has been synthesized in 3 steps (overall yield 54.6%).
📜 SIMILAR VOLUMES
The title compounds, a dioxo (XVIII) and a tetraoxoderivative (VI) of a new diindenoanthracene, are synthesized in several steps (overall yield 35 and 26%, respectively) starting from 2,3-dimethyl-1,4-diphenyl-butadiene-l, 3 (VIII). The corresponding hydrocarbon could not be obtained by reduction.
8-Hydroxy-9,15-dihydro-7 H-diindeno [ Z , l -b ; 2', l'-g] fluorene, a derivative of a new mono-angular diindenofluorene system, has been synthesised in 6 steps (overall yield 420/,) starting from 9-oxo-fluorene-l-carbaltlehyde and acetophenone. The corresponding hydrocarbon could not be obtained by
## Abstract Starting from 5‐benzoyl‐2,4‐dibromobenzoic acid and 3‐methyl‐fluorene, the 6‐methyl‐9,15‐dihydro‐__7H__‐diindeno[2.1‐__b__; 2′,1′‐__g__]fluorene, a derivative of a mono‐angular diindenofluorene has been synthesized in 5 steps (overall yield 1,5%).