Biphenylenes. Part XXVIII. Synthesis of some benzo[b]-, naphtho-[2,3-b]-, and anthra[2,3-b]-derivatives of biphenylene
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 2267-2272
- https://doi.org/10.1039/p19730002267
Abstract
The Friedel–Crafts acylation of biphenylene with the anhydrides of succinic, phthalic, and naphthalene-2,3-dicarb-oxylic acids has been studied. The resulting acylbiphenylenes were then converted into benzo[b]-, naphtho-[2,3-b]-, and anthra[2,3-b]-biphenylene para-quinones [(1), (10), and (14)] and thence into other compounds including the anthracene and tetracene hydrocarbons [(11) and (13); R = H]. Acylation of biphenylene with maleic anhydride followed by attempted ring closure gave a blue Pechmann dye (8).Keywords
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