The novel macrocyclic biflavonoid bartramiaflavone, which consists of two equilibrating cyclo-oxo tautomers has been isolated from Bartramia pomiformis. It is easily dehydrated to anhydro-bartramiaflavone, a doubly linked biluteolin. The structures of the compounds were elucidated spectroscopically.
SEEGER, TASSILO;GEIGER, HANS;ZINSMEISTER, HANS DIETMAR, PHYTOCHEMISTRY, 30,(1991) N, C. 1653-1656
作者:SEEGER, TASSILO、GEIGER, HANS、ZINSMEISTER, HANS DIETMAR