Naphthoquinones constitute a class of organic compounds (quinones) structurally related to naphthalene. The 1,2- and 1,4-isomers are common but others exist: 1,2-Naphthoquinone 1,4-Naphthoquinone
Use and occurrence Many natural products feature naphthoquinones, especially the 1,4 isomer.
Amine-substituted naphthoquiones, e.g. Artisil Blue GFL and Helindon Yellow R, were once used as dyes. Some interest remains in this area. See also Hydroxynaphthoquinones
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