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Naphthoquinone is a class of organic compounds derived from naphthalene. Three isomers are normally discussed:

Naphthoquinones are also a class of natural phenolic compounds formed on a C6-C4 skeleton.

Natural products[edit]

Juglone, a compound found in black walnut

Synthetic chemicals[edit]

Uses as chemical precursors[edit]

Naphthoquinone can be used for the full synthesis of opiates (Gates synthesis), but it is a tedious and uneconomical process. Therefore, most of the opiate-type analgesics in use today are either directly extracted from Papaver somniferum or synthesized from the natural opiates, mainly from thebaine.[1]

Diazonaphthoquinone is a diazo derivative of naphthoquinone.

See also[edit]