Armochaetoglasins A-I: Cytochalasan alkaloids from fermentation broth of Chaetomium globosum TW1-1 by feeding L-tyrosine

Nine undescribed cytochalasan alkaloids and three known analogues were isolated from the medicinal terrestrial arthropod-derived fungus Chaetomium globosum TW1-1. Armochaetoglasin B, chaetoglobosin V, and chaetoglobosin J showed weak cytotoxic activity.216