T. Inoue et al., 2,5-DIHYDROFURYL-GAMMA-LACTAM DERIVATIVES FROM HEMEROCALLIS-FULVA L VAR KWANSO REGEL .2, Chemical and Pharmaceutical Bulletin, 42(1), 1994, pp. 154-155
Two new 2,5-dihydrofuryl-gamma-lactam derivatives, fulvanine D and E h
ave been extracted from Hemerocallis fulva a L. car. kwanso REGEL alon
g with fulcanine A, B and C. The structures of fulvanine D and E have
been established as 1-(3-hydroxymethyl-2,5-dihydro-2-furyl) (1) and yd
ro-1,5-dioxa-8a-aza-asym-indacen-7-hydroxy-8-one (2).