申请人:Takeda Chemical Industries, Ltd.
公开号:US04271083A1
公开(公告)日:1981-06-02
Novel compounds of the formula ##STR1## wherein R represents lower alkyl or lower alkoxy, A represents --CH.sub.2 --, --CO-- or ##STR2## n represents an integer of 1 to 8, X represents hydrogen or hydroxyl which may be protected and Y represents hydroxyl which may be protected, and their esters show an excellent action on the lysosomal membranes of cells, and exhibit excellent pharmacological activities such as physiologic host defense control activity, especially immuno-potentiating activity.
本发明涉及一种新的化合物,其化学式为##STR1##其中,R代表较低的烷基或较低的烷氧基,A代表--CH.sub.2 --,--CO--或##STR2## n表示1到8的整数,X代表氢或可被保护的羟基,Y代表可被保护的羟基。这些化合物的酯对细胞的溶酶体膜具有出色的作用,并表现出出色的药理活性,如生理宿主防御控制活性,特别是免疫增强活性。