3-dipolar相关论文
Diazo Esters as Dienophiles in Intramolecular(4+2)Cycloadditions:Computational Explorations of Mecha
The first experimental examples of Diels–Alder(DA)reactions of diazo compounds as heterodienophiles with dienes have be......
Asymmetric catalytic 1,3-dipolar cycloaddition ofα-diazoesters for synthesis of 1-pyrazoline-based s
A highly enantioselective 1,3-dipolar cycloaddition ofα-substituted diazoesters with exocyclic enones was achieved with......
Design,Ultrasonic-assisted Synthesis and Evaluation In vitro Antimicrobial Activity of Bis-isoxazole
An ultrasonic-assisted synthesis of bis-isoxazole derivatives was developed.Eight 3-(6-chloropyridin-3-yl)-5-{[(3-arylis......
The development of genetically encoded,wavelength-tunable fluorescent proteins has provided a powerful imaging tool to t......
异噁唑含氮杂环化合物在现代农药化学中占有很重要的地位，许多已经被开发成了除草剂。杀虫剂。杀菌剂等多种农用化学品。本文将部分......
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5－（R）－（1－Meng氧基）－2（5H）－呋喃酮（A）与苯甲醛肟（B0进行1，3－偶极环加成反应时得到两个产物，我们应用NOE及HMBC技术确证了它们的结构。由于反应物（A）的......
稠环吡唑三环类化合物是一类重要的化合物,在医药和农药等方面有广泛的应用。对于稠环吡唑三环类化合物的合成,主要通过两种方法来......
ＡＦａｃｉｌｅＳｙｎｔｈｅｓｉｓｏｆｉｎｄｏｌｉｚｉｎｅｓｂｙ１，３－ＤｉｐｏｌａｒＣｙｃｌｏａｄｄｉｔｉｏｎｏｆＰｙｒｉｄｉｎｉｕｍａｎｄＲｅｌａｔｅｄＨｅｔｅｒｏａｒｏｍａｔｉｃＹｌｉｄｅｓｗｉｔｈＡｌｋｅｎｅｓｉｎｔｈｅＰｒｅｓｅｎｃｅｏｆＴＰ.........
A new and novel class of bis(heterocycles) viz., bis pyrroles, pyrrolyl pyrazoles and pyrrolyl isoxazoles are prepared f......
以对叔丁基苯酚为原料,经聚合、醚化、取代及1,3-偶极环加成4步反应合成了新化合物——对叔丁基杯[4]芳烃1,2,3-三唑衍生物,其结构......
在微波作用的无溶剂条件下,由4β-叠鬼臼毒素与炔烃反应,合成了8个含有1,2,3-三唑的鬼臼毒素衍生物,并用IR,1H NMR,MS确定了这些化......
