简介：ＡＮＥＷＣＥＲＡＭＩＤＥＦＲＯＭＴＨＥＭＡＲＩＮＥＳＰＯＮＧＥＢＩＥＭＮＡＳＰ．￥ＺｈｉＺＥＲＧ；ＬｏｎｇＭｅｉＺＥＮＧ；ＪｉｎｇＹｕＳＵ（ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｔｒｙ，ＺｈｏｎｇｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｇｕａｎｇｚｈｏｕ，６１０...

简介：Marineorganismsaretheimportantsourceofthebioactivemetabolites.Anovelenolicsulfatedsterol,arenicolsterolA,hasbeenisolatedfromamarineannelidArenicolacristatacollectedinthecoastofMainlandofChina.ThestructurewaselucidatedusingallsortsofspectroscopicdataincludingESIMS,1Dand2DNMRetc.ThecytotoxicbioactivityofthissterolwasevaluatedbyMTTassay.Itcouldinhibitthegrowthofhumancervixcancercellline(Hela)andhumannon-smallcelllungcancercellline(NCI-h6)withIC50of(3.1+0.6)μg/mLand(7.6+0.8)μg/mL.

简介：三新aspochalsins(R-T)(1鈥?)从导出水兵的真菌Spicariaelegans被孤立。他们的结构被阐明根据全面光谱分析包括1D和2DNMR技术，和HR鈥揈S我鈥揗S。