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Quinones with a Condensed Four-Membered Heterocyclic Ring

Quinones with a Condensed Four-Membered Heterocyclic Ring [Pg.39]

Thus far there is only one report describing such a system. A naphtho [2,3-d]-l,2-diazetin-4,9-dione structure has been proposed for the product I from the reaction between 2,3-dichloro-1,4-naphthoquinone and diphenyl-hydrazine (85MI1). [Pg.39]

II. Quinones with a Condensed Four-Membered Heterocyclic Ring... [Pg.39]

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Condensed heterocycles

Condensed rings

Four-membered

Four-membered heterocycles

Four-membered ring heterocycles

Heterocyclic 5- membered ring

Heterocyclics condensed

Quinones condensed