KABIRAMIDE

摘要

NEW MATERIAL:A compound expressed by formula I (R<1> is H or methyl; R<2> is H, acetyl or carbamoyl; R<3> is methyl or hydroxymethyl; R<4> is H or lower acyl). EXAMPLE:A compound expressed by formula II. USE:An antifungal agent and antitumor agent. PREPARATION:For example, discharged eggs of a sea lemon is uniformly ground and extracted with methanol. The resultant extract solution is then concentrated and further extracted with chloroform.