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Synthesis and properties of 8H-cyclohepta[d]tropolone

✍ Scribed by Shigeyasu Kuroda; Toyonobu Asao

Book ID
104243730
Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
227 KB
Volume
18
Category
Article
ISSN
0040-4039

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✦ Synopsis

Cycloheptatropone (A) is of interest because it is an isomer of hydroxyheptalene (B) and promising precursor for heptalenedione (C) which can be expected as stable non-benzenoid aromatic compounds by a contribution of dipolar lOa heptalenium dication.

πŸ“œ SIMILAR VOLUMES

Synthesis and properties of cyclohepta[c
Synthesis and properties of cyclohepta[cd]benzothiophenes
✍ Takaaki Horaguchi; Takuji Kubo; Kiyoshi Tanemura; Tsuneo Suzuki πŸ“‚ Article πŸ“… 1998 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 414 KB

## Abstract Cyclohepta[__cd__]benzothiophene 3, a new heterocyle, was synthesized starting from benzothiophene __via__ eight steps in 14% total yield. Chemical reactions of 3 were examined on formylation, acetylation, bromination, catalytic hydrogenation and Diels‐Alder reactions. The results show