The present invention provides hymenialdisine or its derivatives having the formula (I): ##STR1## wherein X.sup.1 is a halogen atom or a hydrogen atom and a process for production of the same. Further, synthetic intermediates are included in the invention. Hymenialdisine and its derivatives have inhibitory effects against protein kinase C and can be expected to have applications as a drug for the treatment of conditions where it is believed the activation of protein kinase C is involved.
本发明提供了具有式(I)的海绵菌素或其衍
生物:##STR1## 其中X.sup.1是卤素原子或氢原子,以及其制备方法。此外,该发明还包括合成中间体。海绵菌素及其衍
生物具有抑制蛋白激酶C的作用,并可望作为治疗与蛋白激酶C的活化有关的疾病的药物应用。