对近年来苯酚双氧水羟基化反应的催化剂进行了综述。
Recent developments of catalysts for hydroxylation of phenol with hydrogen peroxide were reviewed.
铁酸镁在2,3,6 -三甲基苯酚羟基化反应中的催化性能。
Catalytic Performance of Magnesium Ferrite for Hydroxylation of 2, 3, 6-trimethylphenol.
采用均匀设计试验方法,对TS-1催化的苯酚羟基化反应条件进行了优化。
The process conditions for hydroxylation of phenol using TS - 1 zeolite as catalyst were optimized by the way of uniform design software.
本文利用浸渍法制备了一系列不同载体的镍基催化剂,并将其用于苯的羟基化反应。
A series of Ni-based catalysts with different supports were prepared by impregnation method and tested in the hydroxylation of benzene to phenol.
结合物性表征研究了水热合成条件对合成的TS - 1分子筛苯酚羟基化反应活性及选择性的影响。
The effects of reaction conditions in the hydrothermal process on the catalytic activity and selectivity of TS-1 were investigated.
在苯酚羟基化反应中,铁改性的HMS催化剂表现出良好的催化性能,反应中苯酚的转化率为46.9 %。
Meanwhile, the outstanding catalytic performance of iron-modified HMS and the 46.9% conversion rate of phenol have been shown in the reaction of phenol hydroxylation.
随着反应时间的延长,有羟基邻位和对位双硝基化以及羟基两个邻位双硝基化产物生成。
Dinitrations occurred at two ortho-positions or both ortho- and para-positions to the hydroxy group with longer reaction time than mononitration.
目的探讨联合运用成骨细胞、珊瑚-羟基磷灰石(CHA)支架材料和自行研制的旋转式生物反应器在体外构建组织工程化骨的可行性。
Objective to study the feasibility of construction of the tissue engineered bone with coral-hydroxyapatite (CHA) scaffold and osteoblast in the self developed rotary bioreactor.
对烷基化壳聚糖进行X射线光电子能谱分析表明,随着卤代烷试剂反应活性的增高,发生在壳聚糖羟基上的烷基取代反应增多。
X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.
其次对双羟基聚醚的端烯丙基化反应进行研究,讨论了反应时间、反应温度、聚醚分子量、烯丙基化试剂的种类和用量对反应的影响。
The terminal allylation reaction was studied which was influenced by reaction time, reaction temperature, category and dosage of allylation reagent and molecular weight of polyether.
由对羟基苯甲醛经过硝化、腈化和碘化反应也合成了硝碘酚腈。
Nitroxynil was also prepared from p -hydroxybenzaldehyde by nitration , cyanation and iodination of the product.
重点讨论了用于该反应的羟基化剂和催化剂的特点及其工业应用。
The discussion are mainly focused on the catalysts, hydroxylation reagents and industrial application for this reaction.
以对羟基苯乙酰胺为原料,经烷基化、水解、酯化、氧肟化等4步反应合成丁苯羟酸,总收率为46.5%。
With pHydroxybenzeneactamide as the starting material, the Bufemaxac was prepared by means of four steps reaction of alkylation, hydrolyzing, esterification and Ooximation with total yield of 46.5%.
较低的溶液浓度和适宜的反应时间有利于MPS分子在羟基化表面形成排列规则、结合紧密的自组装膜层。
With both low MPS concentration and suitable immersion time, a well-ordered and closely self-assembled MPS layers could be prepared on the hydroxylated surface.
XRD分析表明分子筛在杂化材料中保持原状,FT - IR证实TDI能够与沸石分子筛表面的硅羟基进行接枝反应。
The XRD shows that zeolite without changing in the hybrid materials. The FTIR proves that the grafting reaction can happen between TDI and Si-OH in the surface of the zeolites.
XRD分析表明分子筛在杂化材料中保持原状,FT - IR证实TDI能够与沸石分子筛表面的硅羟基进行接枝反应。
The XRD shows that zeolite without changing in the hybrid materials. The FTIR proves that the grafting reaction can happen between TDI and Si-OH in the surface of the zeolites.
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