乙酰化反应
- 网络acetylation reaction
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Fischer倒认为,如果真有特异性增强H4K12乙酰化反应的药物被开发出来,也可能是骗人的。
Fischer suggests that drugs that specifically enhance H4K12 acetylation , if they can be developed , might do the trick .
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接着用硼氢化钾还原和乙酰化反应得4-甲基-4-苯基-2-戊醇乙酸酯。
The ketone was treated with reduction by using potassium borohydride and acetylation to 4-methyl-4 - phenyl - 2-pentyl acetate .
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Hβ分子筛催化苯甲醚乙酰化反应的研究
Study on the Acetylation of Anisole Catalyzed by H β Zeolite
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在乙酸酐为溶剂条件下Zn(AcO)2催化的羟基乙酰化反应
Acetylation of hydroxy radical catalyzed by Zn ( AcO ) _2 using acetic anhydride as solvent
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BO3~(3-)/Mo-MCM-41的制备及其对2-甲氧基萘乙酰化反应的催化性能
Preparation of BO_3 ~ ( 3 - ) / Mo-MCM-41 and Its Catalytic Performance for Acetylation of 2-Methoxynaphthalene
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Yb(NTf2)3高分子负载催化的初探及Bi(OTf)3催化异丁基苯乙酰化反应研究
Exploration of Polymer Supported Yb ( NTf_2 ) _3 and Bi ( OTf ) _3 Catalyzed Acylation of Isobutylbenzene
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论文第五章通过以联苯(PCBs)为原料,经乙酰化反应,高锰酸钾氧化反应,得到联苯二甲酸。
In the fifth chapter of this paper , we use biphenyl as the raw material to synthesize dicarboxylic acid by acetylation reaction , potassium permanganate oxidation reaction .
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70%高氯酸可作为柏木油中倍半萜烃进行乙酰化反应的第二催化剂组分,用以代替部分PPA。
70 % perchloro acid can be as a second component of catalyst , instead of partial PPA , to promote acetylations Of sesquiterpenes in cedarwood oil .
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本文研究了柏木萜烯与醋酐~多聚磷酸的乙酰化反应和d-芋烯与醋酐~多聚甲醛的Prins反应,经正交试验结果,柏木萜烯乙酰化反应得率为70%。
The acetylation of the hydrocarbon fraction of cedar wood oil with acetic anhydride ~ polyphosphoric acid and the prins reaction of d & limonene with acetic anhydride ~ paraformaldehyde have been studied .
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Pd-Sn-K/SiO2催化剂上的甲苯氧乙酰化反应
Gas-phase Oxidative Acetoxylation of Toluene Over Pd-Sn-K / SiO_2 Catalyst
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以异长叶烯和醋酐为原料,经乙酰化反应合成乙酰基异长叶烯。
Acetyl-isolongifolene was prepared by C-acetylation reaction with isolongifolene and acetic anhydride .
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三异丙氧钐催化下醇的选择性乙酰化反应
Selective Acetylation of Alcohols Catalyzed by Tri - 2 - propoxide Samarium
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莰烯直接ω-乙酰化反应研究初报
Study on the direct ω - acetylation of camphene
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C&乙酰化反应合成乙酰基异长叶烯研究
Study on c - acetylation reaction for synthesizing acetyl-isolongifolene
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三核钼簇合物对苯乙酰化反应的催化研究
Acetylation of benzene catalyzed by Trinuclear Molybdenum Cluster
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机械活化玉米淀粉乙酰化反应的研究
Study on acetylating of mechanical activated maize starch
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三级醇的脱水及C-乙酰化反应
Concomitant Dehydration and C-Acetylation of Tertiary Alcohols
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采用聚乙烯吡啶为催化剂,对柠檬酸三丁酯进行O-乙酰化反应。
The O-acetylation of tri-n-butyl citrate with acetic anhydride catalyzed by polyvinyl pyridine was explored .
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羊毛脂乙酰化反应的研究
The Study of Acetylated Reaction on Lanolin
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柏木油中倍半萜烃的乙酰化反应
Acetylation of sesquiterpenes in cedarwood oil
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粉檀麝香中间体乙酰化反应的优化
The Optimization for the Acetylation
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研究了纳米固体超强酸SO24/ZrO2催化松油醇乙酰化反应。
The nanometer solid superacid SO ~ ( 2 - ) _4 / ZrO_2 was used as catalyst for acetylating of terpineol .
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方法:使用硼氢化钾代替锌汞齐还原羰基,通过乙酰化反应对丹参素及其衍生物进行结构修饰。
Methods : Carbonyl group was reducted with potassium borohydride in stead of zinc amalgam ; the danshensu and its derivatives were acetylated .
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方法:用岩白菜素与不同比例醋酸酐在无水吡啶做溶剂及催化剂的条件下发生乙酰化反应;
Methods : Given dry pyridine as the solvent and catalyst , acetylation reactions were undertaken with bergenin and different proportions of acetic anhydride ;
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体内代谢研究结果表明,氨丁苯酞在体内广泛代谢,其代谢转化以氨基乙酰化反应为主,同时伴随羟化反应的发生。
In-vivo metabolism studies show that ABP undergoes extensive metabolism , and the metabolic reactions are dominated by amino acetylation , together with hydroxylation . 3 .
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壳聚糖是由甲壳素经脱乙酰化反应后制得,其通过对红细胞的聚集、对血小板的激活、激活凝血机制以及降低纤维蛋白的溶解等方面起到止血效果。
Chitosan is the deacetylated derivative of chitin , which has the hemostasis effect by inducing erythrocytes aggregation , platelet activation , activating the blood clotting system and reducing fibrinolytic system .
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这些负载型固体碱及无负载固体碱于无溶剂下对苯酚的乙酰化反应进行催化,结果显示微波辐射法制得的碳酸钾-氧化铝(固体碱Ⅲ-3)催化效果最好。
The solid bases loaded and unloaded in alumina as catalysts were used in the solvent-free acetylation of phenol . The results showed potassium carbonate-alumina ( solid base ⅲ - 3 ) has best catalysis .
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研究证明,在合适条件下应用此方法对糖与糖醇进行乙酰化,反应完全,产物单一,能得到理想的分离、检测和定量分析效果。
The result of GC-FID and GC-MS shows that sugars and sugar alcohols can be acetylated completely under optimized conditions .
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本文介绍了木薯淀粉经过预处理及由乙酰化剂反应生成的木薯淀粉醋酸酯可弥补粘度稳定性差的缺点,使其适合经纱上浆要求,并可代替部分化学浆料。
In this paper , it is described that after pretreatment of tapioca with acetate-ester , tapioca-acetate ester strach is formed , which will become more stable in viscosity and suitable for warp sizing and can replace some of chemical sizes .
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重新研究了Lewis酸催化的甾体皂甙元E/F螺环乙酰化开环反应,并通过波谱分析和单晶X衍射修正了原指定结构。
Lewis acid catalyzed acetylation of steroidal sapogenin was reinvestigated , and the previous assigned structures A , B and C of E / F ring opening products were rectified as 1 , 2 and 3 according to X ray diffraction analysis .