反应混合物可以重新用于后面的酰基化反应。
The reaction mixture can be reused for subsequent acylations.
通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球。
Carboxylic crosslinked polystyrene microsphere was prepared by F-C acylation reaction.
本发明包 括六步反应:二茂钌经过傅克酰基化反应后再水解得1-羧基二茂钌;
The present invention comprises six reaction steps: the cyclopentadienyl ruthenium, after the Fuke acyl reaction, is hydrolyzed into 1-carboxyl cyclopentadienyl ruthenium;
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.
此外,探索通过氧化或者自由基引发,对甲苯类化合物的饱和氢活化进行苄基化反应。
Furthermore, benzylation of methyl-substituted benzene by activation of saturated hydrogen through the use of oxidation or free radical initiation has been developed.
文中对酰胺羰基化反应条件进行了优化,分离得到消旋N-乙酰基亮氨酸产率为66.4%。
The amidocarbonylation reaction conditions were optimized and 66.4% isolated yield of racemic N-acetylleucine were obtained.
应用纳米铟、铋、锡在水相中成功地促进了多种羰基化合物和巴豆基溴的丁烯基化反应,在短时间内得到了高产率的高烯丙醇。
Indium, tin and bismuth nanoparticles successfully mediated crotylation of carbonyl compounds in water to afford the corresponding homoallylic alcohols with good to excellent yields in a short time.
实验以盐酸三乙胺-三氯化铝离子液体(IL)为催化剂,催化水杨酰胺(SA)与乙酰氯进行傅克酰基化反应合成5乙酰水杨酰胺。
Friedel-Crafts acetylation of salicylamide(SA) with acetyl chloride to 5-acetylsalicylamide using triethylammonium chloroaluminate ionic liquid(IL) as both catalyst and solvent was investigated.
以过硫酸铵和硝酸银为自由基引发剂 ,以2 ,3二甲吡嗪和苯乙酸为原料 ,首次采用自由基烃基化反应合成5苄基 2 ,3 二甲吡嗪。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate through a radical hydrocarbylation mechanism to yield 5 benzyl 2,3 dimethylpyrazine.
反应硼化烧结法制备的三元复合硼化物基新型硬质合金,具有优良的物理、化学、力学性能。
New type cemented carbide of ternary complex boride base prepared by reaction boronizing sintering technique has excellent physical, chemical and mechanical properties.
通过使用含乙烯基吡啶聚合物的催化剂能令 人惊奇地使形成二醇或二醇醚副产物的开环反应最少化。
Surprisingly, ring-opening reactions that form glycol or glycol ether by-products are minimized by using the vinylpyridine polymer-containing catalysts.
卤原子作为保护基,代替末端炔发生碳-氢官能团化反应。
Halogen atom could activate the triple bond and as the directing group, the triple bond occurs the electrophilic addition reaction.
在DMF-四乙基溴化铵(TEAB)质子惰性介质中,马蔺子素连续两步单电子还原生成相应氢醌阴离子,无中间体半醌自由基的化学反应发生。
In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.
通过机理分析和对不同引发条件下的自由基加成反应的比较,认为过氧化物引发自由基加成反应制备六氟丁醇具有工业化前景。
According to the discussion of reaction conditions using different initiations, it was believed that peroxide-initiated free-radical addition reaction was a promising method by mechanism analysis.
有机合成法按糖苷化反应糖基给体不同可分为糖基溴苷给体和酰基给体两种方法。生物转化方法是利用生物体为转化体系合成熊果苷。
Organic synthesis can be classified into two ways based upon different donor of glycosyl groups in the glycosidation, namely glycosyl-bromo-glycoside donor and acyl donor.
以1- 苯基- 2-丙胺为原料,经N- 甲基化、拆分、N-炔基化、成盐共4步反应合成盐酸司来吉兰,总收率为42。
From 1-phenyl-2-propylamine, selegiline hydrochloride, an anti-Parksins drug, was synthesized via N-methylation, enantiomer separation, N-alkylation and salt formation with an overall yield of 42.2%.
本文用2-氯-5-氯甲基吡啶经氨基化,和N-氰基乙亚胺酸乙酯反应,最后甲基化得到吡虫清。
In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.
经过红外表征发现,反应得到了端酸酐基的超支化聚酰胺酸和超支化聚酰亚胺;
Through the condensation polymerization of TAPOB and dianhydride, hyperbranched polyamide acid (HBPAA) and hyperbranched polyimide (HBPI) were prepared.
磨耗不仅会导致高分子链的断裂,而且可能会发生链转移反应和大分子自由基的异构化反应。提出了胶料磨耗是机械力引发的具有链式反应特征的力化学反应的结果。
The results show that the abrasion process is similar to its aging by heat and oxygen. The abrasion not only resulted in the fragmentation of macromolecule chain, but also would lead to ch…
磨耗不仅会导致高分子链的断裂,而且可能会发生链转移反应和大分子自由基的异构化反应。提出了胶料磨耗是机械力引发的具有链式反应特征的力化学反应的结果。
The results show that the abrasion process is similar to its aging by heat and oxygen. The abrasion not only resulted in the fragmentation of macromolecule chain, but also would lead to ch…
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