of spectroscopic analyses, including 1D and 2D NMR techniques, and X-ray analysis. In addition, conformation for all the compounds has been discussed. Compounds 1-3 exhibited significant growth inhibition against tumour cell lines. Pericosine A 1 also showed significant in vivo tumour inhibitory activity. In addition, compound inhibited the protein kinase EGFR and topoisomerase II.
已经从最初从海兔Aplysia kurodai分离的Periconia byssoides菌株中分离出Pericosines AE 1-5。在它们之中,周二肌氨酸C 3和E 5被分离为对映异构体混合物。除化合物1外,它们的立体结构已根据光谱分析(包括1D和2D NMR技术以及X射线分析)进行了阐明或鉴定。另外,已经讨论了所有化合物的构象。化合物1-3显示出对肿瘤细胞系的显着生长抑制。Pericosine A 1还显示出显着的体内肿瘤抑制活性。另外,化合物抑制蛋白激酶EGFR和拓扑异构酶II。