A new C-21 furanoterpene, furospongin-I (III), related to nitenin (I) and dihydronitenin (II), has been isolated from the sponges Spongia officinalis and Hippospongia communis. On the basis of physical and chemical evidence structure (III) is suggested for furospongin-1.
一种新的C-21
呋喃萜,
呋喃核苷-I(III),与降粘连蛋白(I)和二氢尼替丁(II)有关,已从海绵海绵和沙棘中分离出来。根据理化证据结构,提出了
呋喃西林-1的结构(III)。