M. Jung et al., NEW 3-OXYGENATED AND TETRAOXYGENATED COUMARIN GLUCOSIDES FROM THE MOSSES ATRICHUM-UNDULATUM AND POLYTRICHUM-FORMOSUM, Zeitschrift fur Naturforschung. C, A journal of biosciences, 49(11-12), 1994, pp. 697-702
Atrichum undulatum as well as Polytrichum formosum are containing each
six different coumarin glycosides of which three are common to both s
pecies. From the nine different glycosides eight are new natural compo
unds. The structures have been elucidated spectroscopically.