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- 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!!!
- The applications and synthetic methods of 2,2 - dimethoxy propane from different materials including methylacetylene and methanol , acetone and methanol, trimethyl orthoformate and acetone, acetone ketal of polyhy-dric alcohol and methanol were reviewed. 综述了采用不同原料即丙炔和甲醇、丙酮和甲醇、原甲酸三甲酯和丙酮、丙酮缩多元醇与甲醇合成2,2-二甲氧基丙烷的方法及其应用。
- trimethyl orthoformate 原甲酸三甲酯
- English Name Trimethyl OrthovalerateCAS NO. 原戊酸三甲酯英文名称。
- 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。
- 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。
- Ingredients:Rose extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分:玫瑰提取液,十六十八混合醇,二甲基硅油,甘油,十八烷基三甲基氯化铵。
- The target compound was synthesized from 1 bromo 3 chloro propane by amination and Grignard reaction with ethyl orthoformate. [方法 ]以 1-溴 - 3-氯丙烷为原料 ,胺化后 ,与原甲酸三乙酯进行格氏加成反应 ,得目标化合物。
- Ingredients:olive extract,cetearyl alcohol, dimethyl silicone oil, glycerol, octadecyl trimethyl ammonium chloride. 成分:橄榄提取液,十六十八混合醇,二甲基硅油,甘油,十八烷基三甲基氯化铵。
- 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 common MDJ reacted wih trimethyl chloro-silane to produce the enol silicon ether. 摘要高顺式-二氢茉莉酮酸甲酯(MDJ)作为香料其性能远优于普通MDJ,是各大香精香料公司的招牌产品之一。
- Cationic mono-ester surfactants(CMESA)was prepared using glycidyl trimethyl ammonium chloride(GTMAC)and stearic acid as starting materials with a single step reaction. 以自制的失水甘油基三甲基氯化铵(GTMAC)和硬脂酸为原料,经一步反应合成阳离子单酯表面活性剂(CMESA)。
- Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger. 其制备方法是以氯化铵为催化剂,原甲酸三乙酯为解水剂,由无水乙醇和环己酮缩合合成。
- The cetyl trimethyl ammonium bromide (CTAB) was intercalated into the layered silicate bentonite, and the interlayer of the bentonite was modified. 利用十六烷基三甲基溴化铵(CTAB)嵌入到具有层状结构的膨润土层间,使膨润土层间得到改性;
- This paper discussed the technic of 1H-tetrazole-1-acetic acid with ethyl orthoformate glacial acetic acid,sodium azide as the material.We obtained the proper techic route. 本文主要探讨了使用原甲酸三乙酯、冰醋酸、叠氮化钠等原料生产1H-四氮唑-1-乙酸的工艺过程,精选出了适宜的工艺路线。
- In this paper, the costs of DDVP (dichlorvos) production from alkline hydrolysis of trichlorphon and trimethyl phosphite are compared. 对由敌百虫碱解法和亚磷酸三甲酯法生产敌敌畏的成本进行优劣比较。
- Butenal diethyl acetal was prepared by the reaction of triethyl orthoformate with allylmagnesium chloride obtained by the reaction based on magnesium and allyl chloride. 摘要以烯丙基氯与金属镁反应制得烯丙基氯化镁,再与原甲酸三乙醇反应,合成了3-丁烯醛缩二乙醇。
- Organic-montmorillonite(OMMT) was obtained by an ion-exchange reaction between Na-montmorillonite(MMT) and hexadecyl trimethyl ammonium bromide(CTAB). 用十六烷基三甲基溴化铵(记作CTAB)对钠基蒙脱土(记作MMT)进行有机化处理,得到有机蒙脱土(记作OMMT)。
- Bioactivity of octadecyl trimethyl ammonium chloride (1831) against larvae of Pieris rapae were systematically studied in this paper. 本文系统研究了十八烷基三甲基氯化铵(简称为1831)对菜青虫5龄幼虫的生物活性。
- Methyl L cysteine was synthesized with L cysteine as the starting material and trimethyl phosphate as the methylating agent. 以L-半胱氨酸为原料,磷酸三甲酯为甲基化试剂合成了S-甲基-L-半胱氨酸。