萘基
- 与 萘基 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Leaves of field wheat in florescence were sprayed and the cutting leaves of hollyhock were soaked at base with aqueous solutions of N-(1-Naphthaleneacetyl)-N′-(4-Aminopyryl) Thiourea of 10, 20, 50 mg .
以新合成的N-(1-萘乙酰基)-N′-(4-氨替吡啉基)硫脲配制成不同浓度(10、20、50 mg 。 L-1)的水溶液,对大田扬花期小麦进行叶面喷洒和蜀葵叶片扦插基部的浸泡处理,并在分别含有0.1 mg 。
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After the diazotization ,2-aminophenol-4-(2-'carboxy)sulfanil phenylamine was coupled with acetoacetanilide,2-naphthol,1-phenyl-3-methyl-5-pyrazolone,1-naphthol-4-sulfonic acid,separately to get the different diazotized compounds,then complexed with potassium chromium sulfate or cobaltous chloride to obtain the yellow,orange,red,purple,blue and other colour dyestuffs.
2-氨基苯酚-4-(2'-羧基)磺酰苯胺重氮化,分别与乙酰乙酰苯胺、2—萘酚、1-苯基-3-甲基-5-吡唑啉酮、尼文酸、1-乙酰氨基-7-萘酚等偶合,得到不同的偶氮化合物,然后分别与硫酸铬或氯化钴进行络合反应,得到黄、橙、红、紫、蓝多种颜色染料,并进行了毛织品的染色实验。
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From the optically active 2, 2'-dihydroxy-1,1 '-binaphthyl, through esterification, Kumada coupling, bromization, hydrolization and Wittig elimination reaction, 2,2'-diethynyl-1,1'-binaphthyl was obtained.
从光学活性的2,2'-二羟基-1,1'-联萘出发,经过酯化,Kumada偶联,溴化,水解和Wittig消除反应五个步骤,成功地获得了具有单一手性的的2,2'-二乙炔基-1,1'-联萘。
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Three kinds of optically active pnthalocyanine derivatives modified with chiral 2'-methyoxy-1,1'-binaphthyl; chiral binathyl crown ether; chiral 6,6'-didodecyl- 1,1'-binaphthyl crown ether, have been synthesized and characterized, respectively.
本论文以手性联萘、手性联萘冠醚、冠醚等功能性基团为化学修饰基元,分别合成了三类光学活性酞菁衍生物和两类共轭聚合物,对它们的组装行为以及某些光、电功能性进行了研究。
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Objective To explore the cytotoxicity on eight kinds of human cancer cell lines and apoptosis induction on human nasopharyngeal cancer cells(CNE_2) of a new semi-synthesized naphthoquinone derivative(2,3,11-triethanesulfanyl-6-isohexenylnaphthazarin,TEISHNZ).
目的探讨一种新的人工半合成紫草萘醌类衍生物(2,3,11-三乙巯基-6-异己萘茜,简称TE ISHNZ)。
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S-Naproxen was obtained by asymmetric cross-coupling reaction of 2-bromo- 6-methoxynaphthalene with organozinc reagent of ethyl α- bromopropionate, catalyzed by chiral β-aminoalkylphosphine-nickel complexes.
用β -氨基烷基膦的NiCl2 配合物为手性催化剂,以 6 -甲氧基- 2 -溴萘和α-溴代丙酸酯的有机锌试剂为原料,通过不对称交叉偶联反应合成S --萘普生。
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On the basis of spectroscopic analysis and comparison with the reported data, they were identified as kaempferol-3-O-β-D-glucoside, kaempferol 3-O-β-D-6-p-hydroxycoumaroylglucoside, L-2-O-methyl chiro-insitol and phillyrin.
叶的95%乙醇提取物中分离得到了4个化合物,经波谱分析,其结构分别鉴定为山萘酚-3-O-β-D-葡萄糖苷、山萘酚-3-β-D-(6-对羟基桂皮酰基)葡萄糖苷、L-2-O-甲基-手-肌醇和连翘苷。
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Methyl 6-acylnaphthalene from 2-methylnaphthalene was synthesized via acylation using acetic anhydride and propionyl chloride as the acylating agents with catalyst aluminum trichloride in homogeneous liquid phase system.
为制备重要的化合物2-甲基6-酰基萘,提高酰化产物的收率和纯度,以2-甲基萘为原料,分别研究了乙酸酐和丙酰氯为酰化剂时的酰化反应,对酰化反应的产物进行了GC、FT-IR和GC-MS表征;对酰化反应的影响因素进行了研究。
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Two kinds of catalytic oxidations for naphthalene with Fenton reagent and POD catalyst were studied, and the results showed that there were some common points: Fe ion and OH radical all participated in two kinds of catalytic oxidations and α-naphthol was found.
通过Fenton试剂及POD催化H〓O〓与萘的反应过程分析,可以确定两种反应之间有一些相同点,它们是两种反应过程中均有Fe离子及·OH自由基参与,且反应过程中均有α萘酚生成。
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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
- 推荐网络例句
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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。
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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
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。