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- METHOD:The title compound was synthesized from methyl n propyl ketone and diethyloxalate via three steps. 方法:以2-戊酮和草酸二乙酯为原料,经三步反应合成了产物。
- The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术,以对甲苯磺酸(PTSA)作催化剂,没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- Analysis Method of Trace Methyl Iso Butyl Ketone in Solution 溶液中微量甲基异丁基酮的分析方法
- In the presence of aminosulfonic acid catalyst,lactic acid reacted with n butyl alcohol to form n butyl lactate. 以氨基磺酸为催化剂,实现了乳酸与正丁醇反应合成乳酸正丁酯。
- Tri n butyl citricate(TBC)was synthesized with zeolite supported ZrO 2 Dy 2O 3/SO 4 2 solid super acids(ZDSH) as catalysts. 用固体超强酸催化剂(ZrO2?Dy2O3/SO42 -?沸石分子筛) 催化合成柠檬酸三丁酯(TBC) 。
- In this paper, the research progress on the exposure,metabolism,toxicity and endocrine disruptingeffects of di n butyl phthalate were reviewed. 邻苯甲二酸二丁酯;;内分泌系统;;成形剂;;毒性作用;;塑料;;职业;;环境;;
- Three plasticizers were used: namely dioctyl phthalate (DOP), di n butyl phthalate (DBP) and di(-2-ethyl-hexyl)sebacate(DOS). 研究中采用的增塑剂为邻苯二甲酸二辛酯 (DOP)、邻苯二甲酸二正丁酯 (DBP)和癸二酸二辛酯 (DOS)。
- The influence facts upon adhesive strength,such as hardening agent content, n butyl acrylate content,synthesis condition were discussed. 考察了固化剂含量、预固化及预聚合时间、丙烯酸丁酯含量以及引发剂含量对胶粘剂力学强度的影响。
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- The effects of the amount of sodium bisulfate monohydrate,the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated. 以没食子酸和正丁醇为原料,采用一水合硫酸氢钠作催化剂合成没食子酸正丁酯。
- A study was made on the synthesis of n butyl acetate and isobutyl acetate with aminosulfonic acid as the catalyst.The optimum conditions were chosen by the experiments. 研究了以氨基磺酸为催化剂,催化合成乙酸正丁酯和乙酸异丁酯的工艺过程,实验确定了其优惠反应条件。
- methyl butyl ketone 甲基丁基酮,2-已酮
- The intermidiate of Leminon [2 methyl N methyl N (2 methylphenyl) propionate amid] has been synthesized via nitration,reduction,acylation and methylation from toluene. 以甲苯为原料,通过硝化、还原、酰化、甲基化合成了莱敏拉唑中间体2-甲基-N-甲基-N-(2-甲基苯基)-丙酰胺
- The adsorption process of n butyl acetate in a packed bed of activated carbon fiber is studied. The adsorption rate equation and the adsorption order and adsorption balance constant of Freundlich adsorption isotherm equation are obtained. 研究了醋酸丁酯在活性炭纤维床层中的吸附过程 ,获得吸附速率方程和 Freundlich吸附等温方程的吸附级数、吸附平衡常数。
- Ethyl acetate,n butyl acetate,n amyl acetate,n heptyl acetate,benzyl acetate,ethyl hexanoate,isopropyl chloroacetate and 2 ethylhexyl acrylate were synthesized using modified gnarl catalyst. 以改性片麻岩为催化剂合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸苄醇酯、己酸乙酯、氯乙酸异丙酯和丙烯酸2乙基己醇酯,其收率都在90%25以上。
- methyl butyl ketone(2-hexanone) 甲基丁酮
- Keywords Methyl N cyclohexyl carbamate;Catalytic synthesis;Dimethyl carbonate; 碳酸二甲酯;N环己基氨基甲酸甲酯;催化合成;
- N - octylic acid - N - (quinazolin - 4 - ketone) methyl ester is a sulphur - free and phosphorus - free additive. 正辛酸-N-(喹唑啉-4-酮)甲酯是一种无硫、无磷的添加剂。
- Keywords n butyl gallate;microwave;esterification;PTSA; 没食子酸正丁酯;微波;酯化;PTSA;
- Keywords tri( n butyl)tin;alkynyl phosphonic acid;synthesis; 三丁基锡;炔基膦酸;合成;