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As a kind of environmentally benign reagents,α-keto acids have been extensively employed as key starting materials in o......
We report identification and characterization of a new protein post-translational modification (PTM),lysine glutarylatio......
Synthesis of Acetamido Organotin Compounds by Acylation Reaction of Amido Organotin Compounds with A
Organotin(Ⅳ)compounds with carboxyl groups have been extensively studied owing to their antitumor activities as well as......
The 1,5-diazabicyclo[4.3.0]non-5-ene (DBN)-catalyzed regioselective acylation of carbohydrates and diols in ethyl ac......
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InthisworkacylationbetweenanisoleandacetylchlorideoverZnCl2 / HYcatalystswithhighregioselectivitywasreported. Thepa......
以咖啡酸苯乙酯(CAPE)为先导物,将其对位酚羟基或间位、对位两个酚羟基进行酰化,制备CAPE的前药,提高其稳定性和脂溶性.并采用了H2......
SYNTHESIS OF FUNCTIONAL MACROMOLECULE INTERMEDIATE THROUGH ACYLATION CATALYZED BY [Emim]Cl-AlCl3 ION
本文通过对荣华二采区10...
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
A new method of synthesizing N, N-(diethylamino) ethyl-2-(1-naphthylmethyl)-3-tetrahydrofurfuryl propionate was proposed......
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该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
以间羟基苯甲酸、3、4-二氯三氟甲苯为起始原料,以水做溶剂、在催化剂作用下进行醚化反应合成中间体3-[2-氯-4-(三氟甲基)苯氧基]......
Convenient one-pot synthesis of functionalized (E)-2-arylvinyl bromides from (E)-4-(2-bromovinyl)phe
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Aqueous-Phase, Palladium-Catalyzed Heck Reaction: The Significant Role of CN-containing Counter Anio
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Investigation on the Coordination Mode of IL-Supported Diols Used as Phosphine-Free Ligands for Pall
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的：合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。方法：用氯仿作溶剂，在浴温条件下，4-羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生......
An Efficient and Facile Procedure for Synthesis of Acetates from Alcohols Catalyzed by Poly(4-vinylp
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Copper zirconium phosphate nanoparticles have been used as an efficient catalyst for the acetyla‐tion of a wide range o......
4-Methoxyacetophenone(4-MAP) was synthesized by the acylation of anisole with acetic anhydride in the presence of HY zeo......
Special attention should be paid to the preparation of "special chemicals" from coal and the conversion of them. In this......
采用乙二胺四乙酸二酐(EDTAD)和醛基封端聚乙二醇(PEG-dial)对明胶蛋白进行酰化及还原胺化改性,然后与戊二醛(GTA)交联制备了复合......
Fully acylated chitosan and N, N-diacyl chitosan were prepared. The products were characterized by elemental analysis, F......
A series of acyls (Ac, Bz and Ts) were introduced regioselectively to the 2-hydroxyl in methyl and ally 3-O-benzyl-α-L-......
The regioselective acylation of quercetin catalyzed by a novel thermophilic esterase(APE1547)from the archaeon Aeropyrum......
为了进一步开发和利用桦木醇衍生物,以桦木醇为起始物,在其C-3、C-28和C-30上进行修饰,得到了28-O-[2-(吡咯烷-1-基)乙酰基]-桦木......
以ＤＭＡＰ为催化剂，对高位阻叔丁醇与乙酸酐之间发生的酰化反应进行了实验研究，通过合理的方案设计，筛选出了可使产物收率达到８７％以上的最佳实验......
为了提高矢车菊素-3-O-葡萄糖苷(C3G,Cyanidin-3-O-glucoside)的稳定性及亲脂性,本研究用固定化脂肪酶Lipozyme 435催化肉豆蔻酸甲......
纤维素是自然界储存最丰富的天然高分子材料,而且生物降解性良好,其开发利用受到广泛的关注。通过对纤维素改性引进一系列基团后,......
在酸或吡啶催化下，氮方酸（３，４－二氨基－３－环丁然二酮）可被酰化试剂羧酸，醋酐和酰氯酰化，反应条件不同，可生成单酰化或双酰化产物，亦可能发生其它反......
以多聚磷酸(PPA)为催化剂和反应溶剂,丙烯酸为酰化剂,对二苯并-24-冠-8进行酰化,成功地合成了双茚满酮型二苯并-24-冠-8.产物由IR......
离子液体是许多有机反应的优良溶剂，能够溶解许多包括金属有机化合物在内的有机物。本文重点综述了离子液体在金属催化剂作用下的羰......
以大豆蛋白为原料，通过乙二胺四乙酸二酐（EDTAD）酰化改性，再以戊二醛交联制备出具有吸水溶胀能力的改性大豆蛋白凝胶，研究了凝胶的酰化......
以碘掺杂聚苯胺为催化剂，对叔丁醇与乙酸酐之间的酰化反应进行了研究，考察了反应温度、反应时间、催化剂质量分数以及酐醇摩尔比对乙......
Some environmentally friendly catalysts such as HY and H-β zeolites,various cation-exchanged β zeolites,and some other......
通过碳纤维(CF)表面官能团的酰氯化,采用阴离子接枝反应制备了表面接枝尼龙6(PA6)的碳纤维. SEM观察表明,接枝PA6的CF表面呈粗颗粒......
以价廉易得的香草醛为起始原料，经过3步反应，高产率合成了酚羟基由对甲苯磺酰基保护的香草胺类化合物5。将香草醛转化为香草肟4，用金......
2，6-二烷基萘是一种重要的化工中间体。对采取烷基化法和酰基化法合成2，6-二烷基萘的工艺路线，尤其对所使用催化剂的研究进展进行了评......
叙述了由γ,δ-不饱和β-酮酯与羟基酸衍生的酰氯,经酰化生成了6-酰氧基取代的5-乙酯基-2,3-二氢-4H-4-吡喃酮的衍生物,其中有些化......
以a-甲基丙酰乙酸乙酯为原料,经动力学去质子化后,与乙酸乙酯发生γ-酰基化反应,然后环合生成3,5,6-三甲基-4-羟基-2-吡喃酮,在回......
以碘为催化剂，由苯甲醚与乙酸酐进行酰基化反应合成对甲氧基苯乙酮。考察了反应物摩尔比、催化剂用量、反应温度及反应时间对产物收......
纤维素的非均相反应取代不均匀、产率低。本文用纤维素在LiCl／DMAc溶液中的均相反应。制得了纤维素三醋酸酯(CTA)、纤维素二醋酸酯(......
香化合物经Friedel-Crafts酰化反应制备药物和香料中间体芳香酮是近年来人们感兴趣的课题[1～4].用于该反应的传统催化剂是Lewis酸金......
研究了在有机介质叔丁醇中魔芋葡甘聚糖（KGM）的分子量及酰基供体对固定化脂肪酶Novozym435催化KGM乙酰化反应的影响．KGM的分子量对酶......
