2000 alkaloids

alkaloidsU 0600

11 - 217Two New Erythrinan Alkaloids from Erythrina x bidwilli. — Thenew alkaloids (I) and (II) are isolated from the title plant flowers together withthree known erythrinan alkaloids. The structures of (I) and (II) are confirmed byspectroscopic analyses and chemical evidence. Alkaloid (II) is the first exampleof an erythrinan alkaloid bearing an epoxy ring. — (TANAKA, HITOSHI;TANAKA, TOSHIHIRO; ETOH, HIDEO; GOTO, SACHIKO; TERADA,YUKIMASA; Heterocycles 51 (1999) 11, 2759-2764; Fac. Pharm., Meijo Univ.,Tempaku, Nagoya 468, Japan; EN)

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