A new diterpene acid, communic acid, has been isolated as its sodium salt from the bark of the common juniper, Juniperus communis L. The structure and configuration (1a) of this acid follows from direct correlations with torulosol and with agathene dicarboxylic acid as well as from the results of degradation experiments.
                                    从普通杜松(Juniperus communis L)的树皮中分离出一种新的二萜酸,其酸为钠盐。该酸的结构和构型(1a)来源于与甲
苯酚和与
邻苯二酚二
羧酸的直接相关性。根据降解实验的结果。