氨基化合物

In this paper,3-methoxy-5,6-diamino-2-nitropyridine was synthesized from 3,5-dichloropyridine by substitution,oxidation,nitration and ammoniation .

研究了以3-氯-5-甲氧基-2，6-二硝基吡啶为原料，通过甲氧化、硝化、氨化合成3-甲氧基-5，6-二氨基-2-硝基吡啶，该化合物的结构通过IR，1H NMR，MS和元素分析进行了表征，确认为目标化合物。

Eleven novel 2-alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-oxadiazole derivatives (5) and six novel 2-alkylthio-5-(5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-5-yl)-1,3,4-thia- diazole derivatives (8) have been designed and synthesized by using 5-amino-3-ethoxycarbonyl-1H-1,2,4-triazole as a starting material.

以5-氨基－1H-1，2，4-三唑－3-羧酸乙酯为起始原料，设计合成了11个新型的2-取代硫醚－5-（5，7-二甲基－1，2，4-三唑并[1，5-a]嘧啶基）-1，3，4-恶二唑类化合物(5)和6个新型的2-取代硫醚－5-（5，7-二甲基－1，2，4-三唑并[1，5-a]嘧啶基）-1，3，4-噻二唑类化合物(8)。

In conclusion, the nitro group is the main toxic group for both nitrobenzenes and nitroanilines. Wrapping or reducing the nitro groups will decrease the toxicity of the subject chemicals.

总之， 硝基是这两类化合物致毒的主要基团，将硝基包覆或还原为氨基应为此类化合物解毒的重要途径。

The asymmetric ring-opening aminolysis of meso-epoxides represents one of the most important reactions in organic synthesis,giving rise to enantio-enriched aminoalcohol products with two chiral centers.

中文摘要：胺类对内消旋环氧化合物的不对称开环是一类重要的反应，反应生成两个手性中心的氨基醇化合物在有机合成中有着重要的应用。

In search of environmentally benign insecticides with high activity, low toxicity and low residue, a novel series of anthranilic acid esters containing N-pyridylpyrazole were designed and synthesized. All of the compounds were characterized and confirmed by IR, 1H NMR, MS and elemental analysis.

设计，合成了8个新的含N-吡啶基吡唑杂环的邻氨基苯甲酸酯类化合物，结构经FTIR， MS， 1H NMR 和元素分析确证，并且采用X-射线衍射分析方法确证了具有较好生物活性的化合物14d的结构。

The spectral data suggest that intramolecular carbonyl oxygen to tin coordination in 1 is existent and is not allowedin order to accommodate two and three bidentate dithiocarbamate ligands in 3 and 4 respectively.

波谱数据表明化合物1和2存在着分子内羰基氧原子对锡原子的配位，而在化合物3和4中这一配位则被两个或三个双齿二硫代氨基甲酸配体所替代。

To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.

为了进一步发现沉香中具有生理活性的化学成分，本文对国产沉香的水溶性成分进行了研究，从中分离得到11个化合物，通过红外、紫外、质谱、核磁共振(1H-NMR， 13C-NMR， COSY， HSQC， HMBC， ROESY)波谱解析，分别鉴定为：2，3-二(3-羟基苯基)-丙-1-醇(1)，[(2R，3R)-3-(4-氨基-3，5-二甲氧苯基)-2-氧化烯基]甲醇(2)，8-氯-4'-甲氧基-5，6，7，3'-四羟基-2-(2-苯乙基)-5，6，7，8-四氢色原酮(3)，4'-甲氧基-5，6，7，3'-四羟基-2-(2-苯乙基)-5，6，7，8-四氢色原酮(4)，化合物3的差向异构体(5)，4'-甲氧基-5，6，7，8-四羟基-2-(3'-羟基-2-苯乙基)-5，6，7，8-四氢色原酮(6)，4'-甲氧基异沉香四醇(7)，6-羟基-2-(2-羟基-2-苯乙基)色原酮(8)，6-羟基-2-(2-苯乙基)色原酮(9)，6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。

Carbon disulfide, dialkylamine, antimony trioxide have been used to synthesize the other organic antimony compounds-dialkyldithiocarbamate. The optimal technological conditions and purificating method have been studied in detail.

以二硫化碳、二元仲胺、三氧化二锑为原料合成了结构为Sb-〓的另一类含Sb-S键的有机锑化合物，通过大量的实验探索，详细研究了各种二烷基二硫代氨基甲酸锑的最佳合成工艺条件及产品的提纯方法，为该类化合物的制备提供了一种工艺简便，收率较高的合成工艺途径。

When the resulting nitro compounds was reduced over 5% Pd/C catalyst, the nitro phosphinic acids required more catalyst that the esters nitro phosphinic acid, and dinitro compounds required more catalyst than mono-nitro compounds in the case of all nitro groups completely changed into amino groups.

用5％Pd/C作催化剂，将上述硝基物还原时发现，次膦酸形成的硝基物比次膦酸酯形成的硝基物需要更多催化剂才能使硝基全部还原成氨基；二硝基化合物比单硝基化合物需要更多的催化剂。

Hydrazine compounds including hydrazine, phenylhydrazine, semicarbazide and isoniazid were separated and determined by capillary electrophoresis with a poly modified microdisk carbon fiber electrode.

肼类化合物的毛细管区带电泳/聚谷氨酸修饰碳纤维微盘阵列电极安培检测以电聚合方法制备了聚谷氨酸修饰碳纤维微盘阵列电极，研究了肼、苯肼、氨基脲及异烟肼等肼类化合物在该电极上的电催化氧化。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了