para-Hemigossypolone: a sequiterpenoid aldehyde quinone from Gossypium hirsutum
Abstract
A sesquiterpene aldehyde,para-hemigossypolone (8-formyl-6,7-dihydroxy-5-isopropyl-3-methyl-1,4-naphthaquinone), which inhibits the growth of Heliothis virescens(tobacco budworm), was identified as a constituent of flower buds (squares) from bollworm-resistant cotton (Gossypium).