Heterocycles by Cycloaddition. III. Dihydroisoindolequinone, the Correct Structure of the Proposed Azatetracyclononanedione

Hiroshi Matsukubo, Hiroshi Kato

Bulletin of the Chemical Society of Japan · 1976 · 11 citations · 3 references

Concepts

Abstract

Abstract Pyrolysis of a cyclopentadienequinone–oxazolone adduct (3) gives a 5,6-dihydro-4,7-isoindolequinone (7) and not an azatetracyclic cage compound (4). The dihydroquinone (7) was dehydrogenated to the corresponding isoindolequinone (9), which was synthesized via alternative routes.

References

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