综述了高效酰化催化剂4-二甲氨基吡啶（DMAP）的合成方法及应用前景。
This article summarizes the synthetic method of 4-Dimethylaminopyridine (DMAP) and its applying prospect.
以对甲苯磺酸为催化剂，对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
柠檬苦素采用氯仿萃取取样，并经硅胶G薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel G, and then is determined by colorimetric metho…
柠檬苦素采用氯仿萃取取样，并经硅胶g薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel g, and then is determined by colorimetric method where pdi...
研究了分子内电荷转移荧光体4-二甲氨基查尔酮（DMAC）在表面活性剂水溶液中的荧光光谱。
The fluorescence spectra of 4-dimethylaminochalcone(DMAC), an intramolecular- charge-transfer fluorescence probe, are examined as a function of surfactant concentration in aqueous solution.
建立了对二甲氨基苯甲醛法和亚硝酸盐——格里斯试剂法两种对牛奶中掺入的尿素的快速检测方法。
In this paper, two rapid detection methods for carbamide in milk, namely p-dimethylaminobezaldehyde method and Nitrite-Griess method, were developed.
对二甲氨基苯甲醛同时亦与氨基胍重碳酸盐反应，生成更为稳定的化合物，而使该橙色产物分解而褪色。
However, 2 could also react with 1 simultaneously in the same reaction system, the product was more stable, and that made the orange compound decomposed and faded.
以N-甲基乙酰胺、醋酸乙烯酯为原料，N，N-二甲氨基吡啶（DMAP）为催化剂，合成N-甲基-N-乙烯基乙酰胺。
N-Methyl-N-vinylacetamide was synthesized from N-methylacetamide and vinyl acetate with N, N-dimethylamino pyridine (DMAP) as catalyst.
采用双微电极电压钳制术研究3，6-（二甲氨基）-二苯骈碘杂环依地酸盐（IHC-72）对家兔浦肯野纤维慢钙通道的影响。
The effect of 3, 6-dimethylamino-dibenzopyriodonium edetae(IHC-72) on the slow calcium channel of isolated rabbit purkinje fibers was studied with two microelectrode voltage clamp technique.
方法：以2氨基4 ，5二甲氧基苯甲酸为原料，分别经过环化、氯代、取代等反应，合成了五种目标化合物。
The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.
方法：以氨基乙醛缩甲醇制备的N （2 ，2二甲氧基乙基）胍硫酸盐经盐酸催化环合制得2 氨基咪唑硫酸盐。
METHODS:N (2,2 dimethoxylethyl)guanidine sulfate from aminoacetaldehyde dimethyl acetal was treated with concentrated HCl to get 2 aminoimidazole sulfate.
主要成分：熊果苷、人参提取液、小黄瓜提取液、1,3-丁二醇、氨基酸保湿剂、水解胶原蛋白、甘草酸二甲、白桑葚精华等。
Main ingredients: arbutin, ginseng extract, gherkin extract, 1, 3 - butanediol, amino acid moisturizer, hydrolyzed collagen, dimethyl glycyrrhizinate, white mulberry essence, etc.
主要成分：熊果苷、人参提取液、小黄瓜提取液、1,3-丁二醇、氨基酸保湿剂、水解胶原蛋白、甘草酸二甲、白桑葚精华等。
Main ingredients: arbutin, ginseng extract, gherkin extract, 1, 3 - butanediol, amino acid moisturizer, hydrolyzed collagen, dimethyl glycyrrhizinate, white mulberry essence, etc.
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