脱甲基,demethylation英语短句,例句大全

脱甲基,demethylation
1)demethylation脱甲基
1.2,3-dibromo-4,5-dihydroxy-benzyl alcohol in total yield of 14% was synthesized from vanillin via bromation,reduction and demethylation.以香兰素为起始原料,经溴代,还原,脱甲基合成了具有生物活性的天然产物——2,3-二溴-4,5-二羟基苄醇,总收率14%,其结构经1H NMR,IR和元素分析表征。
2.3,4-Dihydroxybenzaldehyde was prepared from vanillin by demethylation.研究了香兰素脱甲基合成3,4-二羟基苯甲醛的反应,确定了反应的最优条件为:三氯化铝、吡啶、二氯甲烷与香兰素的物质的量之比为1。
3.(E)-3-(3,4-Dihydroxyphenyl)acrylic acid was prepared from 3,4-dimethoxybenzaldehyde via the Knoevenagel reaction and demethylation.以3,4-二甲氧基苯甲醛为原料,微波辐射下与丙二酸发生Knoevenagel反应后,在TMSCl/NaI/CH3CN体系中脱甲基合成了标题化合物。

英文短句/例句

1.Selective Demethylation Reaction under Microwave Irradiation and Its Application in Synthesis of Scopoletin;微波辅助选择性脱甲基反应及槲皮素甲基化反应研究
2.methyl-isobutyl-ketone dewaxing process甲基异丁基酮脱蜡过程
3.deoxycyti - dylate hydroxymethylase脱氧胞苷酸羟甲基化酶
4.Studies on the Synthesis of 7-Dimethyl-amino-6-demethyl-6-deoxytetracycline7-二甲胺基-6-去甲基-6-脱氧四环素的合成研究
5.Synthesis of Dioctyl Dimethyl Quaternary Ammonium Salt in Removing Acid with CaO;CaO脱酸合成二辛基二甲基季铵盐
6.Methoxy 1 groups are split off with boiling HI and converted to ??甲氧基用沸腾的碘氢酸分解，使甲氧基脱落并转为甲基碘。
7.Studies on Pmma/Montmorillonite Nanocomposites;聚甲基丙烯酸甲酯/蒙脱土纳米复合材料的研究
8.Studies on Dehydroaromatization of 2,3,5-Trimethyl-5,6-Dihydropyrazine2,3,5-三甲基-5,6-二氢吡嗪脱氢芳构化研究
9.Recent progress in peptide deformylase and its inhibitors肽脱甲酰基酶及其抑制剂的研究进展
10.ACID REMOVAL FROM STRAIGHT-RUN DIESEL FUEL BY USING 1-METHYLIMIDAZOLE甲基咪唑对直馏柴油进行脱酸的研究
11.The Study on Dehydration in Synthesizing Trimethoprim(TMP)from Trimethoxy Benzaldehyde;以三甲氧基苯甲醛为原料合成甲氧苄胺嘧啶(TMP)的脱水工艺研究
12.Study on TAM/monmorillonite nano-composite materials for energy storage三羟甲基氨基甲烷/蒙脱土纳米复合贮能材料研究
13.The Experimental Study of Modifying PMMA Denture Base Resin via Intercalated Montmorillonite;插层蒙脱土对聚甲基丙烯酸甲酯义齿基托树脂改性的实验研究
14.Selective Hydrolysis and Decarboxylation of Methyl [1-(2-Cyanoethyl)-2-oxocyclopentyl]carboxylate1-(2-氰乙基)-2-氧代环戊基甲酸甲酯的选择性水解脱羧
15.Preparation of Polymethylmethacrylate/Montmorillonite Composites and Investigation of Their Properties;聚甲基丙烯酸甲酯/蒙脱土复合材料制备及性能研究
16.Application of MMA in the method of embedding the non-demineralized bone tissue应用甲基丙烯酸甲酯包埋不脱钙骨组织方法的探讨
17.Test methods of wooden activated carbon-Adsorption of methylene blueGB/T12496.2-1990木质活性炭检验方法亚甲基蓝脱色力
18.ABSORPTION MECHANISM STUDY OF ETHYLOIC SESBANIA CANNABIAN PERS GUM ON KAOLINITE AND MONTMORILLONITE羧甲基田菁胶对高岭石、蒙脱石吸附机理的研究

相关短句/例句

demethylation脱甲基化
3)N-demethylatingN-脱甲基
4)O-demethylationO-脱甲基
1.A novel sensitive method was developed for measuring p-nitroanisole o-demethylation catalyzed by cytochrome P450 enzymes in crude homogenates of Housefly,Musca domestica(Diptera:Muscidae),using HPLC with diode array detector.建立了以乙酸乙酯/正己烷为终止剂(含1%H3PO4)和萃取剂,利用高效液相色谱,ZORBAXEclipseXDBC18色谱柱,梯度洗脱,在316nm检测,外标法分析对硝基苯酚的生成量,表征家蝇粗酶液中细胞色素P450催化的对硝基苯甲醚O-脱甲基活性的新方法。
5)desilylation脱甲硅基
6)metyl topsin甲基脱布津
1.Dimethyl fumarate, metyl topsin and sodium dehydrogene acetate were used in the antiseptic treatment during storage of Kudzu.试用富马酸二甲酯、甲基脱布津、脱氢醋酸钠3种防腐剂对抑制葛根采后的霉变情况进行初步研究,结果表明:在所用3种防腐剂中,甲基脱布津的防霉效果最好。