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- toluenesulfonyl dimethylamine [化] N-甲苯磺酰二甲胺
- The main raw material of producing dimethyl formamide is dimethylamine and carbon monoxide. 生产二甲基甲酰胺的主要原料是二甲胺、一氧化碳。
- The synthesis process of 2-methylresorcinol from 1,3-cyclohexanedione, methyl aldehyde and dimethylamine is described. 叙述了以1,3-环己二酮为起始原料,与甲醛、二甲胺等反应合成2-甲基间苯二酚的方法。
- Amphoteric monomer is prepared with acrylic acid,dimethylamine,and chloro-ethanol by Mannich reaction. 以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体。
- Alkyl dimethylamine is made from fatly alcohol and dimethyla-mine by one stage catalysis. 由脂肪醇、甲胺一步催化法制取烷基二甲基胺。
- This paper describes the method of preparing the cationic monomer with acrylamide, 2 -chlovoethanol and dimethylamine. 本文叙述了由丙烯酰胺、氯乙醇、二甲胺制备阳离子单体的方法。
- Objective:To study the effect of dimethylamine tetracycline(periocline) the effect of in periodontal disease. 目的:了解二甲胺四环素(派丽奥)在口腔临床中的疗效。
- The method for separation of monomethylamine, dimethylamine and trimethylamine by Gas Chromatography (GC) at the same time is studied in this paper. 采用气相色谱法、大口径毛细管柱分离了甲胺、二甲胺、三甲胺。
- A new technology for preparation of Ethoprophos from O,O Diethyl Dithiophosphoric acid, Propance Bromide and Dimethylamine was introduced. 介绍了以硫磷酸为原料,与溴丙烷、二甲胺反应合成丙线磷的新工艺。
- The company's main sales DMF, methylamine, dimethylamine, trimethylamine and strong sales acid, to maintain the country's leading production. 公司主营销售的二甲基甲酰胺、一甲胺、二甲胺、三甲胺以及浓销酸，产量保持全国领先。
- Ziram was synthesized in an one-step with aqueous solution of dimethylamine carbon disulfide and zinc oxide,in yield 97%.waste water is reused. 以二甲胺水溶液、二硫化碳和氧化锌为原料一步法合成了福美锌;产率达到97%25以上.;废水循环利用
- The dimethylamine selective synthesis catalysts have been prepared by using modifiedmordenite as the active material and two kinds of catalyst binders. 采用改性丝光沸石和两类粘结剂制备选择性合成二甲胺催化剂。系统地考察了催化剂对甲醇和氨的反应性能。
- The silicone quaternary was synthesized by hydrosilylation quaternarization reaction of contained-H silicone, unsaturated poly-ether, chloroacetic acid, dimethylamine. 以低含氢硅油、不饱和聚醚、一氯乙酸和二甲胺为原料,制备得阳离子有机硅油。
- P-isopropyl aniline reacted with methyl chlorofrom to P-isopropyl aniline formate.Isoproturon was obtained after reaction of the above product with dimethylamine. 原料对异丙基苯胺先与氯甲酸甲酯反应生成对异丙基苯胺甲酸甲酯，再与二甲胺反应生成异丙隆。
- The vulcanization accelerator TMTD was prepared by one-step oxidation process with hydrogen peroxide, carbon disulfide and dimethylamine in isopropanol. 以二甲胺、二硫化碳为原料,异丙醇作溶剂,在不使用强酸、强碱及其他催化剂的条件下,采用双氧水氧化一步法合成了TMTD。
- Results:70 percent of 60 patients with dimethylamine tetracycline,a week after periodontal redness,pain significantly reduced,periodontal pocket shallowing. 结果:60例患者中70%25的患者用二甲胺四环素1周后牙周红肿、疼痛明显减轻,牙周袋变浅。
- XU Xi-en,ZHANG Ge-li,TIAN Song-jiang,et al.Study on mordenite for synthesis of dimethylamine with higher selectivity[J].Petrochem Technol,1997,26 (1):13-16. [1]许锡恩;张革利;田松江;等.;合成二甲胺高选择性催化剂的研究[J]
- This paper studies the Reaction of 1,2,3-Trichloropropane with Dimethylamine at action of phase transfer catalysis and specific solvent. The Yield of the N-substitution, which had distinct raised, has been discovered. 讨论了在相转移催化和一定的溶剂作用下1,2,3-三氯丙烷与二甲胺的反应,发现N-取代的产率有明显的提高。
- The synthesis process of 2-methylresorcinol from 1,3-cyclohexanedione, methyl aldehyde and dimethylamine is described. Its yield is 62.7% (calculated by 1,3-cyclohexanedione), and purity is 98.5%. 叙述了以1;3-环己二酮为起始原料;与甲醛、二甲胺等反应合成2-甲基间苯二酚的方法。总收率62.;7%25(以1;3-环己二酮计);含量98
- The preparation methods of dimethylamine hydrochloride/chromium trioxide oxidation reagent and the selective oxidation reaction of cyclohexenol to cyclohexenone with this catalyst are studied. 研究了负载型盐酸二甲胺三氧化铬氧化剂的制备方法,以环己烯醇选择性氧化成环己烯酮,考察了载体、制备方法、活化条件对氧化剂性能的影响。
