Fragmentation of cyclic α-carbonylazo-compounds. New routes to benzocyclobutenedione and to biphenylene
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 13,p. 695b-696
- https://doi.org/10.1039/c2971000695b
Abstract
Benzocyclobutenedione and biphenylene are formed in high yield by the vapour phase pyrolysis of Diels–Alder adducts of phthalazine-1,4-dione and indazol-3-one, respectively.Keywords
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