Reaction of tert-butyllithium with 11,12-dimethylene-9,10dihydro-9,10-ethanoanthracene and 4,5-diiodopentacyclo-[4.3.0.0 2,4 .0 3,8 .0 5,7 ]nonane gives three products, one of which crystallizes from petroleum ether as the title compound, C 44 H 46 , (I). Molecules of (I) are positioned on inversion
11,12-Bis(2,2-dimethylpropyl)-9,10-dihydro-9,10-ethenoanthracene
✍ Scribed by Herres, Joseph P. ;Forman, Mark A. ;Wheeler, Kraig A.
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 268 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 26 H 32 , was retrieved as one of three products from the reaction of tert-butyllithium with 11,12dimethylene-9,10-dihydroethenoanthracene and 4,5-diiodopentacyclo[4.3.0.0 2,4 .0 3,8 .0 5,7 ]nonane. The structure shows the expected ethenoanthracene geometry with molecules arranged via van der Waals surfaces.
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## Abstract The photochemistry of 11,12‐bis(aminomethyl)‐9,10‐dihydro‐9,10‐ethenoanthracene (4) was investigated in solution and in the solid state. Direct irradiation of 4 gave the singlet state photoproduct 5, whereas the triplet derived photoproduct could only be obtained by irradiating the bis(