作者:Ming-Zhong Wang、Han Xu、Qi Feng、Li-Zhong Wang、Su-Hua Wang、Zheng-Ming Li
DOI:10.1021/jf902320e
日期:2009.9.9
spectrometry (NOESY) spectra. Their fungicidal activities against five fungi were evaluated, and the results indicated that some of the title compounds showed excellent fungicidal activities in vitro against Alternaria solani, Gibberella zeae, Physalospora piricola, Fusarium omysporum, and Cercospora arachidicola at the dosage of 50 μg mL−1. Some compounds shown moderate activity at low dosage. Compound V-h
通过简便的方法设计和合成了一系列含有噻吩部分的吡咯硝酮新类似物,并通过1 H核磁共振(NMR)和高分辨率质谱对它们的结构进行了表征。分离了异构体IV-h和Vh,并通过2D NMR鉴定了其结构,包括异核多量子相干(HMQC),异核多键相关(HMBC)和核Overhauser效应光谱(NOESY)光谱。评估了它们对5种真菌的杀真菌活性,结果表明,某些标题化合物在体外对solternaria solani表现出优异的杀真菌活性,玉蜀黍赤霉,轮纹轮纹病菌,镰孢属omysporum,和尾孢花生在50微克毫升的剂量-1。一些化合物在低剂量下显示中等活性。化合物Vh可被认为是进一步设计农业杀菌剂的主要结构。