By introducing substitutents to a definite location of the benzene ring, the location and assembling fashion of nitrobenzene was defined.

通過在硝基苯的特定位置引入取代基我們可以確定硝基的位置和硝基苯的組裝方式精品国模一区二区。

Ozonation could not reduce TOC completely, the results of HPLC and GC-MS showed that p -CNB was mainly transformed into p -chlorophenol, p -nitrophenol, 2-chloro-5-nitrophenol, etc ., and carboxylic acids with low molecular weight.

HPLC和GC-MS結(jié)果表明，ClNBs主要被轉(zhuǎn)化為氯酚、硝基酚来部一级毛片、氯代硝基酚自拍灌醉迷j系列在线观看、硝基苯、氯苯和低分子的羧酸等物質(zhì)全网男人的天堂网站。

Finally, reacting II with PhNCO givethe compound 1-(6-nitrobenzimidazol-l-acetyl)-4-phenylsemicarbazide,III in the presence of〓 give the new cyclic compound 2-phenylamino-5-(6-nitrobenzimidazol- 1-methylene)-l,3,4-oxadiazole.

第三部分：以6-硝基苯并咪唑-1-乙酰肼為原料色色亚洲视频，分別與取代苯甲醛、苯乙酮及乙跞巳瞬迦巳瞬偃巳嗣基二茂鐵進行縮合反應(yīng)www.99riav.com-，合成了10個新的6-硝基苯并咪唑-1-乙酰腙衍生物。

Density Functional Theory in connection with accurate LCAO basis sets and norm-conserving pseudopotentials were used to study two issues which are (1) The Selective Functionalization of Single-Walled Carbon Nanotubes with Diazonium Radical and (2) The Molecular Dynamic Simulated IR Spectrum of Adsorbed C3H3 and I on the Ag(111) Surface.For the first, we investigated (1) NO2C6H4 direct addition (2) NO2C6H4N2 dissociative addition reaction on semiconductor (8,0), metallic (9,0)and(5,5) carbon nanotubes.

第一部分模擬的結(jié)果顯示大学生女毛片在线现观看，在半導體性質(zhì)(8国产.www，0)和金屬性質(zhì)(9，0)91自拍视频国产、(5麻豆精美视频，5)奈米碳管上，硝基苯自由基(NO2C6H4)的直接加成反應(yīng)於不同導電性質(zhì)的奈米碳管間不具有選擇性另类视频区第1页，而硝基苯重氮化合物自由基(NO2C6H4N2)的解離吸附反應(yīng)會選擇性的與金屬性質(zhì)奈米碳管發(fā)生反應(yīng)东北老妓女叫床粗话对白，因為在金屬性質(zhì)的系統(tǒng)中，奈米碳管於過渡態(tài)時會藉由電荷的轉(zhuǎn)移來穩(wěn)定過渡態(tài)的結(jié)構(gòu)欧美黑人大战白妞，進而幫助反應(yīng)更快的進行亚洲中文字幕超碰无码资源。

Teflubenzuron was synthesized from 2,4-difluoronitrobenzene and 2,6-dichlobenil as starting reagent through six-step reaction with the yield of 75.3%.3,5-Dichloro-2,4-difluoroaniline was synthesized by chlorination,reduction reaction from 2,4-difluoronitrobenzene,the yield was 84.5%;2,6-difluorobenzamide with the yield of 87.7% was synthesized by fluoridation and hydrolysis from 2,6-dichlobenil.

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According to the theoretic significance and the applications of the complexes, this paper mainly concluded the following work: The ligand, 2-carboxybenzaldehyde-2,4-dinitrophen hydrazone, was synthesized by 2-carboxybenzaldehyde and 2,4-dinitrophenyl hydrazine in absolute alcohol.

中文摘要本文基于芳香腙類化合物的抑菌活性66J836影院、稀土元素的生物活性以及二者配位后可能的協(xié)同效應(yīng)欧美十八禁柔术在线视频，主要進行了以下幾個方面的工作：在無水乙醇中，利用2-羧基苯甲醛和2国产特黄A片AAA免费看，4-二硝基苯肼縮合反應(yīng)得到了配體2-羧基苯甲醛-291国在拍‖国语自产图片，4-二硝基苯腙(C14H10N4O6)。

Two novel soluble poly, poly [(3-butyrylpyrrole-2, 5-diyl) p-nitrobenzylidene] and poly [(3-butyrylpyrrole-2, 5-diyl)(3-hydroxy-4-methoxy) benzylidene], were synthesized firstly by condensation of 3-butyrylpyrrole with p-nitrobenzaldehyde and vanillin, respectively.

通過3-丁跖访廊染肥悠翟谙卟シ牛基吡咯單體分別與對硝基苯甲醛和香草醛的縮聚反應(yīng)狼友视频A级毛片，成功合成了兩種新型可溶性聚吡咯甲烯衍生物－策［（3-丁酰基吡咯－2亚洲色视频A片，5-二）對硝基苯甲烯］和聚［（3-丁豕侵轆∨片在线观看；量?，5-二）（3-羥基－4-甲氧基）苯甲烯］插女人网站。

Amino-6-nitrobenzodifuroxan was prepared through a three-step reaction from starting material 3, 5-dinitrobenzoic acid:(1)3, 5-dinitroaniline (1) was synthesized from the reaction of DNBA and hydrazoic acid in inert solvent 1, 2-dichioroethane through Schmidt rearrangement with yield of 89.6%;(2) 1 was subjected to nitration to prepare pentanitroaniline (2) with yield of 51.1%;(3) The title compound was prepared from 2 and sodium azide in acetic acid through denitrogenation and then Schmidt rearrangement with yield of 86.8%, m.p.204℃～206℃.

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The o-aminobenzaldehyde ethylene acetals can be synthesized from corresponding o-nitrobenzaldehyde by reducing the nitro-group after the protection of carbonyl by ethylene. 2-Aminophenyl ketone ethylene ketal can also be prepared from 2-nitrophenyl ketones by this method.

鄰氨基苯甲醛乙二醇縮醛可以由含不同取代基的鄰硝基苯甲醛經(jīng)羰基以乙二醇縮醛保護后還原硝基得到，鄰氨基芳香酮乙二醇縮酮可以同樣的方法由鄰硝基芳香酮得到精品国产手机在线观看。

Nitrobenzene is used as original material,it is sulfonated by gas sulphur trioxide to product sodium m-nitrobenzene sulfonate.

以硝基苯為原料進行磺化，采用氣體三氧化硫為磺化劑，生產(chǎn)間硝基苯磺酸鈉自拍日韩欧美激情视频在线观看，提高了產(chǎn)品純度欧美4p在线，減少了90 %的廢酸，使生產(chǎn)能力提高了一倍国产乱弄视频，為還原硝基生產(chǎn)氨基苯磺酸鈉打下了良好的基礎(chǔ)欧美一级黄色操逼大片。