氨基化合物

Among the non-phosgene synthesis of isocyanate presented, the most promising one is the thermal decomposition of N-substituted carbamates. Unfortunately, this kind of compound is also mainly produced from phosgene or phosgene derivatives in industry.

中文摘要在目前所报导的非光气合成异氰酸酯路线中，N-取代氨基甲酸酯热裂解法是最具有应用前景的一条途径，然而这类化合物的工业化生产也是以光气法为主。

The four carbamates were hydrolyzed in alkalescent aqueous solutions, resulting in the formation of 2-sec-butylphenol, 2-isopropylphenol, m-cresol and α-naphthol, which could be determined by amperometry after capillary electrophoretic separation.

用毛细管电泳-安培检测法测得酚类化合物的量，然后分别换算为等当量的氨基甲酸酯类农药的量，从而建立了用毛细管电泳-安培检测法检测所选四种农药残留的方法。

The nano-ionic liquid containing metal complex could be an effective catalyst for oxidative carbonylation of amines to carbamates and disubstituted ureas and for synthesis of unsymmetric ureas from amines and nitrobenzene, in which turn over frequencies exceeded 10000mol/mol/h.

以该系列纳米离子液体为催化剂高效的实现了胺类化合物催化氧化羰化制备氨基甲酸酯和二取代脲（转化频率＞10000mol/mol/h）以及胺与硝基苯通过一氧化碳羰化制备不对称脲的过程。

ALA belongs to the class of a-amino ketones. It dimerizes spontaneously to 2,5-dicarboxyethyl-3,6-dihydropyrazine at alkaline condition in vitro.

ALA属于a-氨基酮酸类化合物，体外无酶催化时，它在碱性溶液中能可逆二聚化缩合成2，5-二羟吡嗪。

Diethyldithiocarbamate and its derivates are thus a group of chemical substances. Disulfiram, the dimer of DDC, presents good anti-cataract activity. But the use of DSF in ocular treatment was limited by its poor water solubility.

双硫仑(disulfiram，DSF)为二乙基二硫代氨基甲酸(Diethyldithiocarbamate，DDC)的二聚体，DDC及其衍生物是一类具有抗白内障活性的化合物，其中DSF的活性较高，但由于溶解度较低，限制了DSF的应用。

By utilizing three benezenemulticarboxylate derivatives (H2chdc, H2aip, NaH2sip), we obtain 12 coordination polymers. Especially, compelexes 1 and 2 are based on one-dimensional ···OHInOHIn···chains as building units, while complex 3 is based on double four-ring [In8(μ2-O)4(μ2-H2O)8]16+, complex 4 is based on trinuclear In3(μ3-O)(CO2)6, complexes 11 and 12 are both based on nested bistranded helices.

选择了三类取代苯羧酸配体： 2，5-二羟基-1，4-对苯二甲酸(2，5-H2chdc)； 5-氨基间苯二甲酸(5-H2aip)； 5-磺酸基间苯二甲酸钠盐(5-NaH2sip)和InCl3反应合成了十二个配位化合物：其中1、2以···OHInOHIn···链为构筑单元， 3以双四元环[In8(μ2-O)4(μ2-H2O)8]16+为构筑单元，4以棱柱状三核铟In3(μ3-O)(CO2)6为构筑单元，而11、12以嵌套的双股螺旋链为构筑单元。

Structures of glycosyl ester of 13-cis-4-restinoic acid(5) and 6 were characterized by 1H NMR,13C NMR,IR and MS and confirmed to be β-configuration.

13-顺维甲酸与溴代-2，3，4，6-四-O-乙酰基-α-D-吡喃葡萄糖在4-二甲氨基吡啶催化下合成了13-顺维甲酸葡萄糖酯(5)，以二氧化锰为氧化剂，5经氧化成功地合成了新化合物13-顺-4-羰基维甲酸葡萄糖酯(6)。

Other types of carbohydrates found in food are the condensed n-acetylated amino sugars of mucopolysaccharides, glycoproteins, and chitin; the condense deoxy sugars of gum, mucilages, and nucleotides; glcosides （sugars condensed with nonsugars）; glucosinolates; cyclitols; and reductone, l-ascorbic acid.

在食物中发现它种碳水化合物还有：粘多糖、糖蛋白、壳多糖之类的缩聚n-乙酰氨基糖；植物胶、粘浆、核苷酸之类的缩合脱氧糖；糖苷；芥子油苷；环多糖；l-抗坏血酸。

Other types of carbohydrates found in food are the conde ed N-acetylated amino sugars of mucopolysaccharides, glycoprotei , and chitin; the conde e deoxy sugars of gum, mucilages, and nucleotides; glcosides; glucosinolates; cyclitols; and reductone, L-ascorbic acid.

在食物中发现它种碳水化合物还有：粘多糖、糖蛋白、壳多糖之类的缩聚N-乙酰氨基糖；植物胶、粘浆、核苷酸之类的缩合脱氧糖；糖苷；芥子油苷；环多糖；L-抗坏血酸。

In search of novel pesticide leading compound with high bioactivity,thirty-five 4-chloro- phenyl methyl ketone oxime ether derivatives were designed and synthesized by the reaction of 2-substituted amino 4-chloro phenyl methyl ketone oxime with halohydrocarbon.

为寻找高活性的新农药化合物，通过2-取代氨基-1-对氯苯乙酮-1-肟与卤代烃反应，设计并合成了35个对氯苯乙酮肟醚衍生物，其结构均经核磁共振氢谱和元素分析确证。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。