Lanthanum Nitrate as An Efficient Catalyst for the Synthesis of 3,4-Dihydropyrimidine-2 ( 1H)-( thio) ones Improvement of chromogenic conditions on trehalose determination by anthrone-sulphuric acid method 硝酸镧高效催化合成3,4-二氢嘧啶-2(1H)-(硫)酮蒽酮-硫酸法测定海藻糖含量显色条件的改进
P-Toluene thio sulfonic acid sodium salt has been synthesized with sodium sulfide and p-toluenesulfonyl chloride as the raw materials. 本文以硫化钠和对甲苯磺酰氯为原料,对对甲苯硫代磺酸钠的合成工艺进行了改进。
Synthesis of α-thio esters and nitriles via cleavage of S-S bonds promoted by Zn/ I_2 in DMF Zn/I2促进的S&S键断裂用于合成α-硫代酯和α-硫代腈
The Synthesis of Novel 3,4-Dihydro-pyrimidin-( 1H)-( thio) ones Derivatives Including Pyrazole Ring; Hydrogenation of Pyridine and Its Derivates Catalyzed by Poly ( ethylene glycol)-Stabilized Amorphous RuB Nanoparticles 新型含吡唑环的3,4-二氢嘧啶-2(1H)-(硫)酮类衍生物的合成聚乙二醇稳定的RuB非晶态纳米催化剂对吡啶及其衍生物加氢反应
Synthesis, properties and biological activities of phosphoryl ( thio) ureas 磷酰基(硫)脲类化合物的合成、性质及生物活性
Using thio-phosphorous compound and acrylate as the raw material, the acrylate of phosphorous-vulcanization agents has been synthesized. 以硫磷化合物和丙烯酸酯为原料,合成了硫磷化丙烯酸酯极压抗磨剂,该剂具有良好的热氧化安定性、水解安定性及抗乳化性能。
Rearrangement and structural identification of 1,2-bis ( 1-methylimidazole-2 thio) ethane 1,2双(1-甲基咪唑-2-硫基)乙烷的重排和结构鉴定
Twelve thiourea derivatives, the alkyl 4 aryl 3 thio allophanates(ⅰ~ⅹⅱ) have been synthesized by the reactions of different arylamine with alkoxycarbonyl isothiocyanates. 以硫氰酸钾与氯甲酸酯的反应产物烷氧酰基异硫氰酸酯同各种芳胺反应合成了12个硫脲类衍生物4-芳基-3-硫代脲酸酯类化合物,其中10个化合物未见文献报道。
The electrochemical behavior of ( 4,6-dimethyl-2-pyrimidinyl thio) acetic acid on glassy carbon electrode was studied by cyclic voltammetry and differential pulse voltammetry. 用循环伏安法(CV)和差示脉冲伏安法(DPV)研究了4,6-二甲基-2-嘧啶硫乙酸的电化学行为。
Separation and Determination of Sulphate and Thio sulphate in Microbial Metabolism by Capillary Electrophoresis 毛细管电泳对微生物代谢中硫酸根和硫代硫酸根的分离与测定
Synthesis of thio ethers and thiocyanic acid esters using triphase catalysis 芳香族对称硫醚和硫氰酸酯的三相催化合成
The quantum study on structure-activity relationship of furan aldehyde N~ 4-substituted phenyl ( thio) semicarbazones 呋喃甲醛缩N~4-取代苯基氨(硫)脲定量构效关系的量子化学研究
Four new dyes with thio group substitution in the central position were synthesized from the parent dye by nucleophilic substitution reaction. 在母体染料的中位用含-SH基团试剂亲核取代,衍生合成了四个中位硫取代衍生染料。
Synthesis and Biological Activity of β(γ)-Pyridine Formyl ( thio) urea Derivatives β(γ)-吡啶甲酰(硫)脲类化合物的合成及生物活性测定
In thio etherification reaction, influences the quantity of basic catalyst, reaction temperature and reation time are discussed. 讨论了硫醚化反应中,碱性催化剂用量、反应温度及反应时间对产量的影响。
Fuzzy evaluation of THIO 对THIO的模糊评价
Content of MDA was detected by thio-barbituric acid technique. 硫代***酸法测定MDA含量。
But the tautomerism of these activity thio derivatives molecular can exist in biology systems and the different tautomers have variable activity effects. 这些衍生物活性分子在生物体中存在着互变异构现象,不同的异构体有不同的生物活性,这些异构体的相对稳定性和异构体之间的相互转变对其性质具有重要的影响。
17 and the thio-modified D& C Red No. 17和巯基改性D&C红No。
A series of new title compounds were synthesized by the condensation reactions of O, O ′ dialkyl ( aryl) thio phosphoryl hydrazines and aryloxy acetic ( propionic) acids. 通过芳氧乙(丙)酸与O,O′-二烃基硫代磷酰肼的缩合反应合成了8个未见报道的标题化合物,利用红外光谱、核磁共振、质谱和元素分析确定了化合物的结构。
The ability of some hematoporphyrin 3,8-alkyloxy ( thio) derivative for photo-generating singlet oxygen 几种血卟啉3,8-烷氧(硫)基衍生物产生单重态氧能力的研究
The Extraction and Complexes of Silver with 1,2-Bis [ alkyl ( aryl) thio] ethane 1,2-双[烷基(芳基)硫代]乙烷对银的萃取及其配合物
Synthesis and Bioactivity of N ′-tert-Butyl-N-substituted Acyl ( thio) urea Derivatives N′-叔丁基-N-取代酰基(硫)脲类化合物的合成及生物活性测定
This method is the product of a single, and simple post-processing reaction, easy separation of product, it is a good synthesis of 2-thio tetrahydrofuran method. 该方法产物单一,且反应的后处理简单,产物容易分离,因此是一种很好的合成2-硫代四氢呋喃的方法。
Furthermore, aryl alkynyl thio ethers possess unique optical activities. And they are so valuable and prospective in the study and application of the optical material. 而且,芳炔硫醚化合物具有良好的光电活性,在光电材料领域具有重要的研究价值和良好的应用前景。