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triphenyl orthoformate 原甲酸三苯酯
Triphenyl tin fluoride;Fentin fluoride 379-52-2 (C6H5)3SnF / N.D. 三苯基锡乙酸盐;醋酸三苯基锡;
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。
Triphenyl phosphite provided prominent stabilization only when used in combination with other stabilizers. 亚磷酸三苯酯单独使用时效果较差，但与其它种类的稳定剂混合使用能得到较好的效果。
The effects of the concentration of triphenyl phosphorus and reaction times have also been studied. 考察了三苯基磷量、反应时间对该反应体系的影响。
The experimental method of triphenyl methyl radical, triphenyl methyl cation and triphenyl methyl anion were reviewed. 介绍了三苯甲基自由基、三苯甲基正离子和三苯甲基负离子的实验方法。
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。
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。
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。
Thermal decomposition of benzalchloroimines(Ia-b)into the corresponding nitriles was found to be catalyzed by triphenyl phosphine or diphenyl sulfide. 经研究发现,在三苯膦或二苯硫醚催化下节叉氯亚胺(Ia-b)可热分解成相应的腈。
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The effects of methyl tin, antioxidant 1010 and triphenyl phosphite on the heat stability of high flow PVC/ABS alloy were studied. 摘要研究了甲基锡、抗氧剂1010、亚磷酸三苯酯的不同用量对高流动PVC/ABS合金的稳定性影响。
After 2 hours reperfusion, infarct size and risk region were measured by postmortem dual dyes with triphenyl tetrazolium chloride (TTC) and Evans blue. 家兔处死后以Evans蓝及氯化三苯基四氮唑 (TTC)双重染色确定缺血及梗死心肌范围 ,心肌梗死范围以梗死心肌占危险区心肌重量百分比 (MI/RISK)表示。
Therefore, dibenzyltoluene can be used as heat -conducting oil either solo or after being mixed with hydrogenated triphenyl. 研究证明,可用二苄基甲苯代替氢化三联苯或者两者掺混作高温导热油使用。
The cone calorimeter was used to study the effect of triphenyl phosphate(TPP) and novolac resin(NR) on flame-retardant properties of HIPS in the paper. 采用锥形量热仪对酚醛环氧树脂(NR)和磷酸三苯酯(TPP)对高抗冲聚苯乙烯(HIPS)阻燃性能的影响进行研究。
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 results showed that the method of triphenyl phosphite had many advantages,such as easiness of operation and high purity of the product. 研究表明,亚磷酸三苯酯法具有操作简便、所得产品纯度高等特点。
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。
The effects of methyl tin,antioxidant 1010 and triphenyl phosphite on the heat stability of high flow PVC/ABS alloy were studied. 研究了甲基锡、抗氧剂1010、亚磷酸三苯酯的不同用量对高流动PVC/ABS合金的稳定性影响。
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。