Preparation of trifluoroacetaldehyde and trifluoroacetic acid by trifluoroethanol catalytic oxidation;
催化氧化三氟乙醇制备三氟乙醛和三氟乙酸
Polyester nanofiber can be prepared by electrospinning process from PET chips separately dissolving in three kinds of solvents,namely,the mixture solvent of phenol and tetrachloroethane,trifluoroacetic acid and the mixture solvent of trifluoroace- tic acid and dichlormethane.
利用静电纺丝法制备聚酯(PET)纳米纤维,选择苯酚和四氯乙烷,三氟乙酸,三氟乙酸和二氯甲烷3种溶剂分别溶解PET切片进行静电纺丝,通过扫描电子显微镜(SEM)对纤维表面形态进行观察,结果表明:三氟乙酸和二氯甲烷混合溶剂溶解PET制备的电纺纤维较好。
Effects of TFA on Amino Acids Catalyzed Asymmetric Direct Aldol Reaction
三氟乙酸对氨基酸催化不对称直接Aldol反应的影响
End-group modified poly(trimethylene terephthalate) polyester(PTT-TFA) was prepared by the esterification reaction between the hydroxyl end-groups of PTT and trifluoroacetic acid at room temperature,and its thermal properties were investigated by using the differential scanning calorimetry(DSC).
通过聚对苯二甲酸丙二酯(PTT)与三氟乙酸(TFA)发生封端反应,制得末端修饰后的PTT(PTT-TFA),并用差示扫描量热仪(DSC)系统地研究了它的热性能。
A novel method for preparation of trifluoroethylidene substituted N-benzoyl aziridine com-pounds was developed.
发展了一种制备三氟亚乙基取代的N-苯甲酰基氮杂环丙烷的新颖方法。
Recovery of TFA in the Synthesis of LLM-105 Explosive
LLM-105炸药合成中三氟乙酸的回收利用
Multiphase Mass Transfer Model on the Accumulation of TFA in Regional Environments
区域环境中三氟乙酸富积多相传质模型研究
Effects of TFA on Amino Acids Catalyzed Asymmetric Direct Aldol Reaction
三氟乙酸对氨基酸催化不对称直接Aldol反应的影响
Applications of Phenyliodine(Ⅲ)-Bis(Trifluoroacetate)(PIFA) in the Synthesis of Nitrogen-containing Heterocycles;
二（三氟乙酸）碘苯（PIFA）在含氮杂环化合物合成中的应用
boron trifluoride complexes with acetic acid, deity ether or pheno
三氟化硼与醋酸、二乙醚或酚的络合物
Copper(Ⅱ) Trifluoromethanesulfonate Catalyzed Insertion Reaction of Methyl Styryldiazoacetate and Arylamines
三氟甲磺酸铜(Ⅱ)催化的苯乙烯基重氮乙酸甲酯和芳胺的插入反应
Synthesis of Ethyl 4-methyl-2-[4-(trifluoromethyl)phenyl]-1, 3-thiazole-5-carboxylate;
2-对三氟甲苯-4-甲基-5-噻唑甲酸乙酯的合成
Atom transfer radical polymerization of 2,2,2-trifluoroethylmethacrylate
甲基丙烯酸2,2,2-三氟乙酯的原子转移自由基聚合
Synthesis Research of (R)-2,2,2-trifluoro-1-methylethylamine Hydrochloride
(R)-2,2,2-三氟-1-甲基乙胺盐酸盐的合成研究
chlorotrifluoroethylene-ethylene copolymer
三氟氯乙烯－乙烯共聚物
ethylene-chlorotrifluoro-ethylene copolymer
乙烯-氯三氟乙烯共聚物
New Room-temperature Molten Salt Based on LiTFSI with Acetamide and Ethyleneurea
新型室温熔盐二(三氟甲基磺酸酰)亚胺锂-乙酰胺/乙烯脲体系的研究
Study on Synthesis of α,β－Unsatura Ted Carboxylic Acid Hydroxyethyl Ester by Boron Trifluoride Ethyl Ether and Catalytic Promoter System
三氟化硼乙醚催化合成α,β不饱和羧酸羟乙酯的研究
chlorotrifluoroethylene-vinylidene fluoride copolymer
三氟氯乙烯－亚氟乙烯共聚物
Study on Sialylation Using N-phenyltrifluoroacetimidate and Ortho-alkynylbenzoate as Donors
唾液酸N-苯基三氟乙酰亚胺酯和苯基炔酸酯为给体的糖苷化研究
ethylether-boron trifluoride complex
乙醚－三氟化硼络合物
fluorothene level glass
聚三氟氯乙烯液位计
Acetylacetone was synthesized by using boron trifluoride etherate as catalyst.
采用三氟化硼-乙醚络合物为催化剂,由丙酮和乙酸酐一步法反应合成乙酰丙酮。