萘基

The properties of environment in which the probe molecule located were estimated properly by the ratio of emission intensity of naphthol and phenol anion peak wave-length in the fluorescence spectra of these compounds.

通过对萘酚基在不同条件下荧光光谱中存在着不同比例的萘酚基和酚负离子发光，可对化合物分子所处环境的特性作出正确的估计。

Naphthylamine is the intermediate of various dye products and the major raw materials of various rubber aging inhibitors,ɑ-naphthol produced with ɑ-naphthylamine is the major intermediate of pesticide carbaryl; KT-02 nickel catalyst is used to prepare naphthylamine by nitro-naphthalene catalytic hydrogenation, the product has high purity and high yield, and it's currently one of the best technological conditions, and the catalytic activity of the catalyst does not deteriorate after multiple times of recycle.

萘胺是多种染料产品的中间体，也是多种橡胶防老剂的主要原料，由ɑ-萘胺生产的ɑ-萘酚是农药西维因的重要中间体，KT-02型镍催化剂用于硝基萘催化加氢制备萘胺，产物纯度好、收率高，是目前最佳的工艺条件之一，且催化剂多次套用催化活性不减。

The baseline separation of 9 neutral compounds (thiourea, benzene, toluene, ethyl benzene, n-propylbenzene, naphthalene, n-butylbenzene, fluorene and anthracene) and 7 acidic, basic and neutral compounds (thiourea, o-aminophenol, phenol, benzene, o-methylaniline,α-naphthylamine, 2,4-dichloroaniline) can be obtained under optimized capillary electrochromatographic conditions.

在该均相硅胶基质整体柱上成功地分离了9种中性物质(硫脲、苯、甲苯、乙基苯、正丙苯、萘、正丁基苯、芴和蒽)以及7种中性、酸性和碱性物质(硫脲、邻氨基酚、苯酚、苯、邻甲苯胺、α-萘胺和2，4-二氯苯胺)。

Based on theoretical calculation of electronegativity of groups offlotation-reagent and method of infra-red adsorption spectroscopy, the collection andadsorption of α-nitroso-β-naphthol in hematite flotation have been studied. The chemicaladsorption seems to be predominant owing to formation of pentacyclic nitrosyl chelate com-pound by atoms of nitrosyl bond in α-nitroso-β-naphthol together with Fe~(3+) on hematitesurface.

研究了α-亚硝基β-萘酚对赤铁矿的捕收性能及吸附规律，导出了吸附方程和吸附速率方程用药剂基团电负性理论计算以及红外吸收光谱法论述了其作用机理α-亚硝基β—萘酚主要是以N O键合原子与赤铁矿表面的Fe形成N O五元环螯合物而化学吸附。

Study on Surface Enhanced Raman Scattering of Piperidine;2. Using piperidine as catalyst and ethanol as solvent, a series of new 2-amino-3-cyano-4-aryl-6-methoxy-1,4,9,10-tetrahydronaphtho[2,1-b]pyran derivatives were synthesized by one-pot reaction of aromatic aldehydes, malononitrile and 7-methoxy-1,2,3,4-tetrahydronaphthalen-2-one at room temperature in good yields.

以芳醛、丙二腈和 7 甲氧基 1，2 ，3 ，4 四氢萘 2 酮为原料，在六氢吡啶催化下以乙醇为溶剂，在室温合成了一系列新的 2 氨基 3 氰基 4 芳基 6 甲氧基 1，4，9，10 四氢萘并 [2 ，1 b]吡喃衍生物，反应条件温和，产率较高，并通过IR ，1HNMR和元素分析表征产物的结构，还通过单晶X射线衍射分析确证产物的构

In order to obtained the six-membered ring compound and a thorough assignment of the spectra, and further to prove that the six-membered ring compound was formed from the hydrogen transfer, the compound N-butyl-4-(N-methylphenylamino)-5-amino- 1, 8-naphthalimide 6 was designed to obtained with N-butyl-4-bromo-5-amino-1, 8-naphthalimide and N-methyl phenylamine as the starting material. However it was difficult to obtain the desired product as the different solvent giving the different products except the desired product.

为了能够得到六元环化合物作为定标的物质及其确切的谱图分析结果，并且为了进一步证明由五元环产物通过氢转移得到六元环产物的正确性，设计用N-丁基4-溴-5-氨基-1，8-萘酰亚胺与N-甲基苯胺反应生成N-丁基-4--5-氨基-1，8-萘酰亚胺6，结果发现这种方法很难实现，选择不同的溶剂会生成不同的产物，却都不是目标产物。

The separation of optical isomers of 2, 2'-dihydroxy-1, 1'-binaphthyl and 2, 2'-diamino-1, 1'-binaphthyl was studied by reversed-phase high performance liquid chromatography on a chiral stationary phase consisting of-hydroxypropyl-β-cyclodextrin (Cyclobond Ⅰ 2000 SP)using methanol/water as the mobile phase. The effects of mobile phase ratio, flow rate and column temperature on separation of optical isomers of DHBN and DABN were investigated.

在S-羟丙基－β-环糊精手性柱(CyclobondⅠ2000 SP)上用反相高效液相色谱法研究了2，2'-二氨基－1，1'-联萘和2，2'-二羟基－1，1'-联萘光学异构体的分离，考察了流动相组成、流速以及柱温等对联二萘胺和联二萘酚光学异构体分离的影响。

From Cacalia deltophylla (collected from Luqu County, Gansu Province), 22 compounds were isolated, of which 15 compounds have been identified. Among them, two compounds are new. They are named as 3-methyl-4-hydro-8-acetyl-furanonaphth-9-one and 1hydroxy-2-methoxy-3-acetyl-4, 8-dimethyl-5, 8-dihydro-naphthalene.

从采自甘肃省碌曲县的三角叶蟹甲草全草的甲醇提取物的石油醚部分和乙酸乙酯部分中，采用同样方法分离得到22个化合物，鉴定了其中的15个化合物，其中有2个为新化合物，分别命名为3-甲基-4-氢-8-乙酰基-呋喃萘-9-酮（2）和1-羟基-2-甲氧基-3-乙酰基-4，8-二甲基-5，8-二氢-萘（3）。

Results: A total of 18 kinds of SVOCs were qualitatively and quantitatively analyzed, the main compounds deteced were dimethylphthalate, diethylphthalate, dibuylphthalate, bis (2-ethylhexyl) phthalate, phenol, chrysene, benzo anthracene, benzo fluoranthene, benzo perylene, indeno (1, 2, 3-cd) pyrene, dibenzo anthraeene.

结果：定性定量检出邻苯二甲酸二甲酯、邻苯二甲酸二乙酯、邻苯二甲酸二丁酯、双（2-乙己基）邻苯二甲酸酯、邻苯二甲酸二辛酯、丁基苄基邻苯二甲酸酯、苯酚、4-甲基苯酚、萘、荧蒽、芘、屈、苯并蒽、苯并荧蒽、苯并荧蒽、苯并二萘嵌苯、茚并(1，2，3-cd)芘和二苯并蒽18种优先控制有机污染物。

Reactions of 2-methyl-1,4 naphthoquinone with human telomeric DNA and telomerase RNA ESR spin elimination has been used with 4-oxo-TEMPO as spin trap. The reactivities of 3VK3* with telomeric DNA, template of telomerase RNA and its L6-P6 region have been confirmed respectively. The results show that the reactivity of 3VK3* with polynucleotides is directly proportional to their G amount, and the one for reaction of 3VK3* with telomeric DNA is the highest in polynucleotides. 2. Reactions of 2-methyl-1,4 naphthoquinone with nucleosides, nucleotides ESR spin elimination has been used with 4-oxo-TEMPO as spin trap.

2-甲基-1，4萘醌与端粒DNA及端粒酶RNA亚基光敏反应性的研究应用ESR自旋消减法，对2-甲基-1，4萘醌(VK3)与端粒DNA重复序列、端粒酶RNA亚基模版序列、端粒酶RNA亚基L6-P6发夹区关键序列的光敏反应性进行了研究，结果表明，在一定波长照射下，明显诱导VK3与上述寡聚核苷酸反应，其反应性大小与核酸中鸟嘌呤含量正相关，其中端粒DNA序列反应性最强。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。