.alpha.-Halo sulfones. XIV. [4.4.2]Propella-2,4,7,9,11-pentaene
β Scribed by Paquette, Leo A.; Philips, J. Christopher
- Book ID
- 126046732
- Publisher
- American Chemical Society
- Year
- 1969
- Tongue
- English
- Weight
- 245 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
7-[4.2.2]Propella-2,4,7,9\_tetraenecarboxylates, A, when heated at 200Β°, undergo reversible automerization giving 2 in preference to the aromatization to naphthalene derivatives which is promoted by free radicals. In a recent communication, 1 we have reported the synthesis of methyl 7-[4.2.2]propell
Refluxing the tetraenic ether 1. with diironnonacarbonyl in benzene solution for 24 hr in a nitrogen atmosphere afforded five organometallic derivatives.1 The nmr spectrum of one of these, m.p. 200-204Β°C, suggested that this was a symmetrical bis-irontricarbonyl derivative of 1, of structure 1 or 2.