Cyclobutarenes. Part 4. Biphenyleno[2,1-a]biphenylene
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 8,p. 1055-1059
- https://doi.org/10.1039/p19940001055
Abstract
Flash vacuum thermolysis of [5,6]phenanthrolino[4,3-c][5,6]phenanthroline 6 gave biphenyleno[2,1-a]biphenylene 2. The properties of this system are compared with those of the previously reported biphenylenobiphenylenes 3 and 4, and are in accord with expectations from simple resonance theory.Keywords
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