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烃基取代吡嗪和乙酰基取代吡嗪是两类新型的食用香料。Alkylpyrazines and acetylpyrazines are two kinds of new food flavorings.
探讨了苯环上烃基化的条件以及查尔酮合成方法和条件。The synthesis methods of chalcone and benzene ring alkylation are discussed.
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如前记载，二烃基和二甲基并不适合这个意图。As mentioned before, dialkyl dimethyl quats are not suitable for this purpose.
本文报道了一种合成二烃基二硒醚的新方法。A new method for the synthesis of dialkyl diselenides is reported in this paper.
烃基的改变对其极压抗磨性能有一定的影响。The variation of alkyl in organo-molybdenum compounds can affect their extreme pressure property.
采用多种分析手段，其中以电喷雾质谱为主的方法研究了重烷基苯的烃基结构。In this article, alkyl radical structure of heavy alkylbenzene is studied mainly with ESI-MS method.
在相转移条件下，由硫脲与卤代烃合成了不同烃基的S烃基异硫脲盐。Defferent S Alkyl isothiourca salts was synthesized via thiourea and alkyl halides under phase transfer catalysis.
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本发明的目的是提供带有阳离子的普鲁兰氨基烃基醚及其制备方法。An object of this invention is to provide a cationic pullulan aminoalkyl ether and a method for the preparation thereof.
其中，金属烃基膦酸化合物因其潜在的离子交换、催化和吸附等功能而得到了广泛的研究。Among them, metal phosphonates have been widely studied for potential applications such as ion exchange, catalysis and intercalation.
根据权利要求1的普鲁兰氨基烃基醚，它应该为季烷基胺盐形式。The pullulan aminoalkyl ether according to claim 1, wherein the pullulan aminoalkyl ether is in a form of a quaternary alkylamine salts.
以2，3’-二甲基氯乙酰对氨基偶氮苯为烃基化试剂，合成了5个杯芳烃偶氮化合物。Five chromogenic azo calixarene derivatives were prepared by alkylation of calixarenes with chloroacetyl 4'-amino-2, 3'-dimethylazobenzene.
经过许多研究，本研究发明者发现普鲁兰氨基烃基醚在水溶液中带有正电荷。As a result of extensive studies, the present inventors found that a pullulan aminoalkyl ether is positively charged in an aqueous solution.
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以石油中间产品为原料，合成了烃基苯磺酸盐表面活性剂AS-4。Using Intermediate product of petroleum as original reagent, the hydrocarbon phenyl sulfonate surfactant, named as AS 4, has been synthesized.
无水氟化钾和乙腈在乙酰乙酸乙酯活泼亚甲基的C-烃基化中的作用。This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester.
本研究制备了多种烃基松香酯松香施胶剂及松香甘油酯松香施胶剂，并对其在中、碱性造纸施胶中的应用进行了探讨。Several alkyl rosin ester rosin sizes and glycerin rosin ester rosin size were prepared and used for paper sizing under neutral alkaline conditions.
本工艺程序提供了从链烯、环烯、芳链烯、链烷醇、环烷醇、芳烷醇来制备过氯酸烃基酯的方便方法。The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalkenes and aralkanols.
研究表明，在有机锡中引入含硅烃基可降低有机锡的毒性。At present, the research indicated that, introducing the silicon alkyl radical in the organotin may be possible to reduce the toxicity of the organotin.
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萃取剂分子中烃基结构的变化对各种金属离子的萃取能力有着不同程度的影响。The structural variation of the hydrocarbyl groups in the extractant molecules has the different influences on the extractability of various metal ions.
采用芳醛、胺及亚磷酸反应的新方法，制备了五种含硅氨基烃基膦酸。This article reported the synthesis of five new silylaminoalkyl phosphonic acids through the reactions of aromatic aldehyde, amine and phosphorous acid.
由氨合成气代替纯氢气使脂肪腈加压催化胺化，可一步制得双脂肪烃基仲胺。The fatty sec-amines can be directly prepared by the catalytic hydrogenation of the fatty nitriles, using ammonia synthesis gas instead of pure hydrogen.