Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.
经过开环、光气化、缩合等一系列反应制备了苯磺隆。
Condensation reaction of piperazine is a very important step in the process of synthesis of ciprofloxacin.
摘要呱嗪缩合反应是环丙沙星生产工艺中的关键步骤。
Conclusion: Acetic acid is an important catalyst in the condensation reaction. Schiff bases had antibacterial activity.
结论：乙酸是催化剂，对缩合反应有利，希夫碱化合物具有一定抗菌活性。
The factors effecting on the reaction rate of phenol-formaldehyde condensation by suspension polymerization have been studied systematically.
研究了制备悬浮法酚醛树脂的各种因素对酚醛缩聚反应速率的影响。
The liquid-phase condensation reaction kinetics of isophorone synthesis was investigated by using acetone as raw materials.
研究以丙酮为原料液相法合成异佛尔酮的液相缩合反应动力学。
One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.
控制缩合反应的温度，还得到一种苯并环庚酮和一种苯并环戊烷。
Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.
以双氰胺钠和糖精为起始原料，经过开环、光气化、缩合等一系列反应制备了苯磺隆，合成反应的总收率可达57。
This reaction accorded with the proton condensation reaction mechanism and the first order reaction.
该合成反应符合质子化缩合反应机理和一级反应动力学特征。
It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.
结果表明热固性酚醛树脂的固化过程，首先是羟甲基发生缩合反应，缩合反应形成醚键是主要的。
Polymers are most commonly formed by two main types of growth reaction traditionally referred to us condensation (step reaction) and addition (chain reaction) processes.
形成聚合物的最普通方式是靠两种主要的增长反应，习惯上分别称做缩合（逐步反应）过程和加成（链式反应）过程。
It was deduced from FTIR that the condensation reaction was caused by a reaction of ketone group with anhydride.
根据FTIR测定结果，推测在反应中可能发生酮与酸酐的缩合反应。
Condensation polymers are those prepared from monomers where reaction is accompanied by the loss of a small molecule, usually of water.
缩聚物是由单体通过缩合反应形成，反应过程中有小分子生成，通常是水。
The LCST polymers can be cross-linked by a condensation reaction of the alkoxysilane groups.
该LCST聚合物可以经由该烷氧基硅烷基团的缩合反应交联。
It was found that the reaction conditions, particularly the presence of acid and the absence of oxygen, were critical for the condensation reaction.
研究结果表明，无氧和酸催化的反应条件对缩合反应是至关重要的。
Synthetic reactions of hyperbranched polymers included condensation reaction, addition reaction, ring - opening reaction, grafting reaction, etc.
超支化聚合物的合成反应主要有缩聚反应、加成反应、开环聚合、接枝反应等。
In this paper, the progress on diphenolic acid preparation by condensation reaction of levulinic acid and phenol is introduced.
利用乙酰丙酸和苯酚缩合反应制取双酚酸。
Objective To improve Piperazine condensation reaction in the preparation of Ciprofloxacin hydrochloride.
目的改进盐酸环丙沙星制备中的哌嗪缩合反应。
Method: On the base of luteolin and schiff base, by condensation reaction, new antibacterial schiff base and its complexes were synthesized, and the antibacterial activity was examined.
方法：以木犀草素和磺胺甲恶唑进行缩合反应制成新的黄酮席夫碱化合物；并以此为配体合成了新的金属配合物。
This was a five -step process involving: diazo coupling reaction, chloridization, condensation, hydrolysis, condensation respectively.
这是一个五步反应，包括重氮化偶合反应、氯置换反应、缩合反应、水解反应、缩合反应。
A new kind of adhesive has been synthesized from starch and urea through condensation reaction. The process was simple with less environmental pollution and less corrosion.
用尿素和淀粉为原料，以淀粉的水解产物与尿素进行缩合反应，合成出一种新型的胶粘剂。
A thermosetting resin made by a condensation reaction of a melamine derivative, trimethylolmelamine, C3N3(NHCH2OH)3, with formaldehyde.
蜜胺衍生物三羟甲基蜜胺C3N3（NHCH2OH）3与甲醛的缩聚反应制得的热固性树脂。
This article analyzes the optimum condition of the reaction of benzoin condensation with the supersonic in the experiment.
本文通过实验研究了超声波辐射下安息香的缩合反应及该反应的最优化条件。
The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate and through a one-step condensation reaction in organic solvent and under the action of catalyst.
第二种聚 酰亚胺聚合物是芳香族四酸二酐与芳香族二异氰酸酯，在有机溶剂中，在催化剂的作用下，一步法缩合反应制备得到；
In this study, N-methylene phosphonic chitosan (NPCS) was synthesized via formaldehyde addition and condensation with phosphoric acid in a step reaction.
以甲醛和磷酸为反应试剂，采用均相反应法制备出壳聚糖(CS)的磷酸化衍生物-甲基磷酸化壳聚糖(NPCS)。
The studies on benzoin condensation reaction and its application at home and abroad in recent years were summarized.
综述了近年来国内外安息香缩合反应与应用的研究进展。
A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.
苯酚、苯基苯酚、尿素与甲醛的反应产物进一步与糖醇缩聚生成新型铸造用改性酚醛树脂粘结剂。
Polystyrene supported polyethylene glycol was used as catalyst in the condensation reaction of citral and acetone, yield of pseudoionone was 77.4%.
将聚苯乙烯固载的聚乙二醇用于催化柠檬醛与丙酮的缩合反应。
Polystyrene supported polyethylene glycol was used as catalyst in the condensation reaction of citral and acetone, yield of pseudoionone was 77.4%.
将聚苯乙烯固载的聚乙二醇用于催化柠檬醛与丙酮的缩合反应。
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