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Construction of a Homonaphthazarin Skeleton and Synthesis of Hydroquinone-annelated Cycloheptatriene Derivatives
Naphthazarin homonaphthazarin benzocycloheptatriene acylation bromination
2006/4/30
1,4-Dihydroxy-7,8-dihydro-5H-benzo[a]cycloheptene-5,9(6H)- dione (7) was synthesised from hydroquinone and glutaric acid chloride via an acylation reaction. The reaction of dione (7) with bromine foll...