6 were obtained from thioamides and α-bromoketones by a four-step reaction.
以硫[代]酰胺和α-溴代酮为原料,经4步反应合成了N,N′-二酰基肼(6),6在POCl3作用下脱水环化,合成了7个未见文献报道的2-芳基-5-[(4-芳基噻唑-2-基)甲基]-1,3,4-噁二唑类化合物,其结构经1H NMR,IR,MS和元素分析表征。
Three kinds of thioamide-group chelating fiber were synthesized by cross-linking of initial polyacrylonitrile(PAN) fiber with anhydrous hydrazine, ethylenediamine, diethylenetriamine respectively and following chemical modification with sodium sulfide.
以腈纶为起始原料,分别经水合肼、乙二胺、二乙烯三胺预交联后,以N,N-二甲基甲酰胺作溶剂与硫化钠反应,合成了三种携硫[代]酰胺功能基可达6。
A new chelating fiber containing thioamide group is synthesized by cross-linking of polyacrylonitrile(PAN) fiber with ethylene-dimine and following with chemical modification with sodium sulfide using DMF as solvent.
以腈纶纤维为起始原料,经乙二胺预交联后,以DMF作溶剂与硫化钠反应,合成了一种硫[代]酰胺功能基可达6。
In the present work, the CASSCF method was employed to optimize structures of thiocamphor in the lowest five electronic states (S0, T1, S1, T2, and S2), which was followed by single-point energy calcu- lations at the MR-CI level.
运用量子化学方法优化了硫[代]樟脑的最低5个电子态(S0,T1,S1,T2和S2)的结构,并计算了它们的相对能量。
Synthesis and properties of polysulfide sealant containing thio-urea;
含硫[代]聚脲结构的聚硫密封胶的合成与性能
Synthesis of 5-(2-Hydroxy-6-methoxylphenyl)-3-methyl-4,5-dihydropyrazole-1-carbothioamide Derivatives;
新型吡唑硫[代]酰胺衍生物的合成
Synthesis and Bactericidal Activities of Novel Pyrazole-1-carbothioamide Derivatives;
新型吡唑N-硫[代]酰胺类衍生物的合成与杀菌活性
Advances on the Synthesis of Thioribose and Deoxy-thioribose;
硫[代]核糖及脱氧硫[代]核糖合成研究进展
The advances on the synthesis of thioribose and deoxy-thioribose and their application in the synthesis of thionucleosides are reviewed in this paper.
硫[代]核糖及脱氧硫[代]核糖是一类重要的医药中间体,在抗癌、抗菌、抗病毒药物合成中应用广泛;综述了硫[代]核糖、脱氧硫[代]核糖合成进展,以及它们在合成硫[代]核苷中的应用概况。
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