The New Method Of Synthesis 2,3,4-Trifluoronitrobenzene;
2,3,4-三氟硝基苯的合成新方法
2,3,4-Trifluoroaniline was synthesized from 2,3,4-trifluoronitrobenzene in the medium of ethanol with Raney-Ni as catalyst.
以2,3,4-三氟硝基苯为原料,乙醇为溶剂,在催化剂作用下经还原合成2,3,4-三氟苯胺。
2,3,4-trifluoronitrobenzene was synthesized from 2,4-dichloro-3-fluoronitrobenzene and potassium fluoride via halogen replacement reaction.
介绍了用2,4-二氯-3-氟硝基苯与氟化钾经卤素置换反应合成2,3,4-三氟硝基苯的方法,讨论了2,4-二氯-3-氟硝基苯的合成条件-水分、催化剂、反应温度等因素对反应收率的影响,用高沸点的环丁砜代替原来的二甲基亚砜作溶剂,用苯脱除反应介质中的水分,确保反应在无水体系中进行,单步收率达到78 1%,总收率提高到55 3%。
2,3-Difluoro phenol is prepared with 2,3,4-trifluoroaniline as a raw material through two steps of diazotization and hydrolysis, and then treated with a suitable method.
以2,3,4-三氟苯胺为原料,经过重氮化、水解2步,再采用合适的处理方法得到2,3-二氟苯酚,研究了合成条件。
Ultrasonic Promoted in Synthesis of 2,3,4-trichloronitrobenzene
超声波强化2,3,4-三氟硝基苯的合成
Synthesis of 2,2',6,6'-Tetranitro-4,4'-di(trifluoromethyl)-biphenyl
2,2',6,6'-四硝基-4,4'-二(三氟甲基)联苯的合成
Synthesis of N,N′-Di-(2,3,4-Tri-O-Acetyl)-Diamino-Diphenyl-Methane Glucoside
N,N′-二(2,3,4-三-O-乙酰基)葡萄糖二氨基二苯甲烷苷的合成
Synthesis of 3,4-Difluorobenzonitrile by Fluorodenitration from 4-Fluoro-3-nitrobenzonitrile
硝基直接氟化法合成3,4-二氟苯腈
trifluoro-2,6-dinitro-Npropyl- para-toluidine
N-环丙基甲基-α,α,α-三氟-2,6-二硝基-N-丙基-对甲苯胺
Preparation of MCM-41-SO_3H and Catalytic Synthesis of 2-Trifluoromethoxy-5-nitroaniline
介孔分子筛的制备及催化合成2-三氟甲氧基-5-硝基苯胺
Study on Solid Superacid for Nitration in Preparation of m-Trifluoromethylphenol;
超强酸催化硝化在间三氟甲基苯酚制备中的应用
DW-Spectrophotometric Determination of Trace Amounts of Thallium (Ⅲ) with 4-Nitro-4′-fluorophenyl-diazo-amino-azobenzene as Chromogenic Reagent
4-硝基-4′-氟苯基重氮氨基偶氮苯为显色剂双波长分光光度法测定痕量三价铊
picric acid
苦味酸(三硝基苯酚)
Determination of 2, 4-Dinitrofluorobenzene by High Performance Liquid Chromatography (HPLC)
高效液相色谱法测定2,4-二硝基氟苯
Study on Synthetic Technology of 1, 2-Dichloro-4-nitrobenzene and 2-Chloro-1-Fluoro-4-Nitrobenzene;
3,4-二氯硝基苯与3-氯-4-氟硝基苯合成工艺的研究
Such esters, or mixtures thereof may also be modified by additives such as nitrobenzene, nitrotoluence, dinitrotoluene or trinitrololuene.
这种酯或其混合物,也可由硝基苯,硝基甲苯,二硝基甲苯或三硝基苯等附加物来改性。
Study on the Synthesis of 1, 3, 5-triamino-2, 4, 6-trinitrobenzene
1,3,5-三氨基-2,4,6-三硝基苯的合成
Studies on the Nucleophilic Reactions of 5-(4-nirophenyl)-10, 15,20-triphenylporphyrin;
5-(4-硝基苯基)-10,15,20-三苯基卟啉的亲核反应研究
Synthesis of N-(4-Chloro-3-trifluoromethylphenyl)-N′-(4-bromophenyl) urea
N-(4-氯-3-三氟甲基苯基)-N′-(4-溴苯基)脲的合成
Synthesis of 2-Methoxy-4'-trifluoromethyl Acetophenone;
2-甲氧基-4'-三氟甲基苯乙酮的合成
Synthesis of 1-[3-(Trifluoromethy1)pheny1]-2-propanone
1-[3-(三氟甲基)苯基]-2-丙酮合成的研究
It is trinitrotoluene, TNT to you.
此物名三硝基甲苯,即通称的TNT。
CopyRight © 2020-2024 在线英语词典[www.yycidian.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024103067号