Feoforbídeo (etoxi-purpurina-18) isolado de Gossypium mustelinum (Malvaceae) Ethyl ester putpurin-18 from Gossypium mustelinum (Malvaceae)

Abstract

The phaeophorbide ethyl ester named Purpurin-18 and the flavonoids quercetin and kaempferol were obtained by chromatographic procedures from the chloroform fraction of aerial parts of Gossypium mustelinum. The structure of these compound was determined by NMR, IR and mass spectra data analysis. This is the first occurrence of this compound in Angiosperm.

Keywords

• Gossypium mustelinum
• phaeophorbide
• ethyl ester purpurin-18