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- triethyl borane 三乙基硼烷
- The recovery process for triethyl amine from crystallization mother liquor of glyphosate was presented in this paper. 本文介绍了从草甘膦结晶母液中回收三乙胺的工艺改进。
- Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件。
- Triethyl citrate was synthesized from citrate acid and ethanol using FeCl3 as catalyst and ethanol as dehydrating. 以三氯化铁为催化剂,乙醇为带水剂,用柠檬酸和乙醇为原料合成了柠檬酸三乙酯。
- This paper indroduced the synthesis methed of norfloxacin by borane compound.The product had high quality and good yield(62 %). 介绍了硼螯化合物合成诺氟沙星的方法,收率高(总收率62%25以上)。
- Asymmetric borane reduction of prochiral ketones is a good process to the synthesis of enantiomerically enriched secondary alcohols. 硼烷对前手性酮的不对称还原是合成手性仲醇的重要方法。
- The asymmetric reduction of ketosulfone with borane catalyzed by oxazaborolidine is computed by means of the semi-empirical MNDO method. 对恶唑硼烷催化前手性酮砜不对称还原反应进行了半经验MNDO研究。
- The new way of synthesis triethyl orthoformate in one step was advanced using ch loroform，solid natrium hyelroxide and anhydrous ethanol. 提出采用氯仿、固体氢氧化钠和无水乙醇一步合成原甲酸三乙酯的新方法。
- It was concluded that as a additive, triethyl phosphate (TEP) was prior to acetic acid for the hollow fiber membrane performance. 以磷酸三乙酯（TEP）和冰醋酸作为添加剂，分别观测其不同含量时膜性能变化规律，认为磷酸三乙酯作为添加剂有一定的优越性。
- Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(苄基三乙基氯化铵 )为相转移催化剂合成了异烟酸乙酯。
- Different kinds of plasticizer were chosen to add to the films and DSC was taken, it proved that Tg had most decreased when triethyl citrate was added. 选择了不同的增塑剂加入膜后进行差热分析,以三醋酸甘油酯作为增塑剂可以对膜的Tg有最大程度的降低。
- The borane modified by chiral oxazoborolidines enantioselectively reduced aliphatic and aromatic ketones to yield sec-alcohols with 100% yield and medium to high optical yields. 硼烷-手性(口恶)唑硼烷-还原体系能将脂肪酮和芳香酮还原为仲醇,化学还原收率町达100%25,光学收率也比较高。
- Producing glyphosate by alkyl esterification method needs a large amount of triethyl amines which are used as catalysts. 烷基酯法生产草甘膦需要消耗大量的三乙胺作催化剂。
- Using 10 as the catalyst, six prochiral ketones were reduced enantioselectively with borane and the results were compared with those with 1,1- diphenylprolinol as catalys. 用10催化6种前手性酮的不对称硼烷还原反应,其结果与(S)-二苯基脯氨醇催化的同一反应的结果进行了对比。
- Triethyl orthoacetate in reaction mixtures was separated from other components and determined by gas chromatography with external standard method. 应用气相色谱法测定制备原乙酸三乙酯反应产物中产品质量。
- Compared with the pure pitches, pyridine borane modified pitches had higher softening points, carbon yields and PI fraction content at the same reaction conditions. 在同一反应条件下,体系有无吡啶硼烷,所得结果有显著差别。吡啶硼烷改性系列的软化点、残炭值及PI组份的含量均明显高于纯沥青系列。
- The dehydrating agent and the dehydrating condition on removal of trace water in the synthetic solution of triethyl orthoformate were investigated. 研究了原甲酸三乙酯一步法合成反应中脱除微量水分的脱水剂和脱水条件,通过正交实验确定了脱水的最优化工艺条件。
- The company deals in medical intermediates like Triethyl Orthoformate, Trimethyl Orthoformate and Thiourea etc.Welcome to call! 我们公司主要经营各种医药中间体，原甲酸三乙酯、原甲酸三甲酯、硫脲等，欢迎广大新老客户来电咨询！！！
- And addition of triethyl amine to the finishing agent can improve the extent of crosslinking, strength, and whiteness of cotton fabrics. 在整理剂中加入三乙醇胺可明显提高织物的交联程度、强力和织物的白度。
- JCIG Lianhua Welfare Chemical Industry Factory - Specialized producer of triethyl phosphate, methyl phosphate, methyl dichloroacetate, stannous oxide, and palladium chloride. [吉化集团吉林市联化福利化工厂生产磷酸三乙酯、氯化钯等二种化工产品。
