An unusual acid-catalysed rearrangement of 8-methylenebicyclo[4.2.0]octan-2-ones; X-ray crystal structure of 4-isopropyl-1,5-dimethylbicyclo[3.2.1]oct-3-ene-6,7-dione
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 24,p. 1209-1210
- https://doi.org/10.1039/c39800001209
Abstract
The reactions of the 8-methylenebicyclo[4.2.0]octan-2-ones (5) and (6) with toluene-p-sulphonic acid in boiling benzene lead to (9) and (11), respectively, by an unusual rearrangement; the structure of (9) was established by the X-ray diffraction analysis of the derived diketone (10).Keywords
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