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- Abstract: Flurbiprofer was synthesized from 4-acetyl-2-fluorobiphenyl by ring oxidize、esterification、condensation、hydrolyzation and decarboxylation reaction. 摘 要: 以4 乙酰 2 氟联苯为原料,经氧化、酯化、缩合、水解、脱羧等反应,合成氟联苯丙酸。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- His shaving mirror was covered with condensation. 他的剃须镜上有一层小水珠。
- esterification condensation 酯化缩合反应作用
- A brief summary; a condensation. 概要简洁的概括; 总结
- A condensation to quinoid systems occurs. 发生了醌型体系的缩合反应。
- There was condensation on the windows. 玻璃窗上凝结着水珠。
- A planar tetradentate dinuclear ligand,3,5-bis(2-pyridyl)pyrazole,was synthesized by a three-step reaction of esterification,condensation and addition. 以2-吡啶甲酸为原料,经酯化、缩合、加成合成了平面四齿双核配体3,5-二(2-吡啶基)吡唑。
- Methods:Salicylic acid glucose esters were synthesized from glucose by condensation, oxidization, deprotection and esterification. 方法:由葡萄糖通过缩合、氧化、去保护、酯化反应制备水杨酸葡萄糖酯。
- There was condensation on the glass. 玻璃杯上凝结着水珠。
- By this means, rapid condensation takes place. 用这种方法,冷凝很快。
- Niobic acid as a solid catalyst can be directly applied in the hydrolysis, esterification, condensation and alkylation reaction etc. 铌酸可直接作为固体催化剂,应用于水解、酯化、缩合、烷基化等反应中;
- METHOD:Esmolol hydrochloride was synthesized by steps of condensation,reduction,esterification,amination,salifying from phydroxybenzaldehyde. 方法:该化合物以对羟基苯甲醛为原料,经缩合、还原、酯化、胺化、成盐等步骤制备而成。
- Most condensation reactions are equilibria. 大多数的缩合反应是平衡反应。
- Both the free hydroxyl groups readily undergo esterification. 两个自由羟基,都容易酯化。
- The windows were misted up with condensation. 窗户上凝满了水珠,一片模糊。
- Condensation is very rapid at PH 7-9. PH值7-9时缩聚极快。
- It removes condensation water and stop leakage. 它能迅速、自动排除结水,有效地阻止蒸汽泄漏。
- His shaving mirror was covered with condensation . 云是由水蒸汽凝缩而成的。
- METHOD Bambuterol hydrochloride was synthesis by five steps, esterification Bromination, reduction, condensation and salt formation. 目的改进盐酸班布特罗的合成工艺。