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硝基萘

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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。

Oxidation of 1-nitronaphthalene yields 3-nitrophthalic acid while oxidation of α-naphthylamine yields phthalic acid, Explain why different rings in the substituted naphthalenes are oxidized.

答:1-硝基萘氧化成3-硝基酞酸,a-萘胺氧化成酞酸。解释萘氧化取代发生在不同环上的原因解释:氧化电子云密度高的。

amino-1,4-naphthoquinones failed to be obtained through the classical routes due to the strongly electron-withdrawing nitro group, which deactivating the nucleophilic ability of the nitro anilines.

2-硝基苯胺-1,4-萘醌类衍生物由于硝基的强吸电性使硝基苯胺的亲核性减弱,不能通过经典的加成-氧化或加成-取代的方法合成得到。

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。

N-Methyl-3,3-dimethyl spiroindoline-2,3'[3H] naphthaline [2,1-b] [1,4] oxazine was synthesized by 1,3,3-trimethyl-2-methylene indoline and 1-nitroso-2-naphthol, its UV and IR spectra and elemental analysis were carried out, and the photochromism and main influencing factors such as temperature, solvent and pH were studied.

以1,3,3-三甲基-2-亚甲基吲哚啉和1-亚硝基-2-萘酚为原料合成了N-甲基-3,3-二甲基螺吲哚啉-2,3'[3H]萘并[2,1-b][1,4]恶嗪,对其进行了紫外和红外光谱以及元素分析,并对其光致变色性质以及主要影响因素温度、溶剂和pH进行了研究。

Amino-6-methoxy Benzothiazole 99%、2-Amino Benzothiazole 99%、Veratraldehyde 99%、Veratric Acid 99%、1,2- Dimethoxy Benzene 99%、6-Nitroveratric Acid 97%、2,5-Dichlorobenzoic Acid 99%、4-Chloro-3-Nitrobenzoic Acid 99%、 3-Nitrobenzole Acid 98%、p-Methoxybenzoie Acid 99%、Anisole 99.5%、p-Methoxyacetophenonc 99%、(2'-Chloroethyl) Benzene 99%、(2'-Bromoethyl) Benzene 99%、N,N-Diethyi-m-Toiuamide 99%、Aminoacetonitrile Hydrochloride 98%、 Alkyl Diphenyl Phosphate Estrel 98%、5-Chloro-2-benzothiazolone 99%、6-bromo-2-naphthol 98%、6-Nitro-Veretric Acid Estrel 97%、4-chloro phenoxyaeetic 99

2-氨基-6-甲氧基苯骈噻唑、2-氨基苯骈噻唑、藜芦醛、藜芦酸、藜芦醚、6-硝基藜芦酸、2,5-二氯苯甲酸、3-硝基-4-氯苯甲酸、3-硝基苯甲酸、对甲氧基苯甲酸、苯甲醚、对甲氧基苯乙酮、β-氯代苯乙烷、β-溴代苯乙烷、N,N-二乙基间甲苯甲酰胺、氨基乙腈盐酸盐、磷酸二苯月桂酯、5-氯-2-苯骈噻唑酮、6-溴-2-萘酚、6-硝基藜芦酸甲酯、4-氯苯氧乙酸

First, 5-nitro-1 and 4-naphthoquinone are prepared through nitration and oxidization of naphthalene, and then through reduction of nitro into amide, diazotisation of the amide and hydro-lytic action of diazo salt, the juglone is made.

萘经过硝化、氧化生成5-硝基-1,4萘醌,然后硝基还原成氨基、氨基重氮化、重氮盐再水解,最终用新方法制得胡桃醌。

The final products were analyzed using UV-vis absorption spectrometry and GC-MS and the occurrence of nitronaphthalene and nitronaphthol will possibly deteriorate the environmental quality.

以稳态UV-vis吸收光谱及GC-MS分析了355nm光照HNO2+萘水溶液的最终产物,其中硝基萘硝基萘酚的产生会恶化环境质量;联系瞬态研究结果,分析了所有产物的生成途径;确定了中间产物亚硝基萘对激光闪光光解实验的影响并提出了其在355nm光照下的解离机理。

The solid-liquid reaction method was used for the preparation of HPLC aryl-bonded silica gel stationary phases, including 3, 5-dinitrobenzyl, quinolinyl ether and 1, 1'-di(2-naphthol) ether bonded silica gel stationary phases by using N-(β-aminoethy1)-γ-aminopropylmethyldimethoxy silane and 3-glyci-doxypropyl trimethoxylsilane as coupling reagents, respectively.

采用固液相连续反应,以N--γ-氨丙基甲基二甲氧基硅烷和γ-丙基三甲氧基硅烷为偶联剂,分别制备了二硝基苯甲酰胺基、喹啉醚基和联萘酚醚基三种芳基键合硅胶固定相。

Finally, N ethey[3,3 dimethyl spiralindoline naphthoxazine]was synthesized by the addition of 1 nitroso 2 naphthol also,the photochromic mechanism of the substance and its photochromic phenomenon in ethanol were studied.

报道了以苯肼和 3 甲基 2 丁酮为原料首先合成 2 ,3 ,3 三甲基吲哚,吲哚再与碘乙烷亲核取代,碱化得费舍尔碱,最后与 1 亚硝基 2 萘酚作用合成N 乙基 [3 ,3 二甲基螺吲哚啉萘并恶嗪 ]的全过程,并研究了该物质的变色机理以及在乙醇溶剂中的光致变色现

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