The isolation and structure determination of three new diterpenoids from the brown alga Cystoseira elegans is reported. The structures of these compounds were determined by combined chemical and spectral (13C and 1H NMR with decoupling experiments, high resolution mass spectral) methods.
报道了来自褐藻半胱
氨酸线虫的三种新的二
萜类化合物的分离和结构测定。这些化合物的结构是通过
化学和光谱(13 C和1 H NMR结合去耦实验,高分辨率质谱)方法确定的。