The absolute configuration of chebulic acid (3) has been determined by CD spectral comparison of its methyl derivative (4) with a bergenin derivative (11). This result led to establishment of the absolute configurations of chebulinic acid (1), chebulagic acid (2) and trilloic acid trilactone (15).
鞭毛酸(3)的绝对构型通过其甲基衍
生物(4)与一个苯甘草衍
生物(11)的CD光谱比较确定。这个结果促成了鞭毛酸(1)、鞭毛酸(2)和
三羧酸三内酯(15)的绝对构型的确定。