Synthèses dans la série des bis-indéno-fluorènes I. Le dihydro-13, 15-5H-bis-indéno[1, 2-a;1′, 2′-h]fluorène
✍ Scribed by Louis Chardonnens; Giacomo Gamba
- Publisher
- John Wiley and Sons
- Year
- 1966
- Tongue
- German
- Weight
- 236 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
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%).
## Abstract On décrit de nouvelles synthèses de l'indéno‐(2′,1′: 2,3)‐fluorène (cisfluorènacène) et de l'indéno‐(1′,2′: 1,2)‐fluorène (trans‐fluorènaphéne).
## 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