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英語人>網(wǎng)絡(luò)例句>乙酰 相關(guān)的搜索結(jié)果
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乙酰

與 乙酰 相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò),僅供參考]

In this paper, acetanilide used as start material was chlorosulfonated, then reacted with alkylamines with different length of carbon chain to prepare 4 p-acetylaminophenylsulfonylalkylamine.

本文以乙酰苯胺為起始原料野花社区大全免费观看3超碰,經(jīng)氯磺化后分別和不同碳鏈的正烷基胺反應(yīng)制得4種不同碳鏈長度的對乙酰氨基苯磺酰烷基胺,將其水解后制得了對氨基苯磺酰正丁胺欧美三级欧美一级69、對氨基苯磺酰正辛胺久久夜色精品、對氨基苯磺酰正十二胺和對氨基苯磺酰正十八胺欧美精品-精品国内自产拍在线。

Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

采用"一勺燴"方法,以4-羥基苯甲腈為起始原料国产又黄又湿又色的免费网站,首先與硫氫化鈉和無水氯化鎂在N欧洲无码在线免费,N-二甲基甲酰胺中反應(yīng),所得中間體不經(jīng)分離欧美老妇交乱视频69式,直接加入2-氯乙酰乙酸乙酯進(jìn)行環(huán)合反應(yīng)爱操视屏免费网站,得到2-(4-羥基)苯基-4-甲基-5-噻唑甲酸乙酯(2);然后通過六亞甲基四胺/三氟乙酸進(jìn)行Duff反應(yīng)国产高清无码强奸视频网址,得到2-(3-甲跻患禷v一片免费观看高清;?4-羥基)苯基-4-甲基-5-噻唑甲酸乙酯(3);再經(jīng)鹽酸羥胺/甲酸/甲酸鈉體系脫水得到目標(biāo)化合物插插受不了视频。

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-乙酰肼為原料国产免费AⅤ片在线观看播,分別與取代苯甲醛、苯乙酮及乙酰基二茂鐵進(jìn)行縮合反應(yīng)国产800AV私人在线观看,合成了10個新的6-硝基苯并咪唑-1-乙酰腙衍生物日韩小视频在线。

A novel compound——N-naphthalene acylN′-substituted p-chlorobenzamido thiocarbamide was synthesized by reaction of p-chlorobenzamido hydrazine and α-naphthalene acyl mustard oil,which was obtained by potassium thiocyanate combined with α-naphthalene acyl chloride formed from α-naphthylacetic acid and SOCl2 in anhydrous benzene.

通過α-萘乙酸和SOCl2在無水苯中反應(yīng)制得α-萘乙酰氯,然后與硫氰酸鉀反應(yīng)生成α-萘乙酰基異硫氰酸酯潮喷人人操,再與對氯苯甲酰肼進(jìn)行加成反應(yīng)亚洲日本网,合成了新型化合物N-萘乙酰基-N′-對氯苯甲酰氨基硫脲,用薄層色譜法跟蹤最后一步反應(yīng)视色视频免费在线观看,確定了反應(yīng)時間久久阿只有精品。

Naphthalene acetyl chloride was prepared firstly by the reaction between α-naphthylacetic acid and SOCl2 in anhydrous benzene,then reacted with potassium thiocyanate to obtain α-naphthalene acetyl isosulfocyanate,as taking an addition reaction with p-chloro benzoyl hydrazine the novel compound N-naphthalene acetyl-N'-p-chloro benzoylamino thiocarbamide was finally synthesized.

通過α-萘乙酸和SOC l2在無水苯中反應(yīng)制得α-萘乙酰氯,然后與硫氰酸鉀反應(yīng)生成α-萘乙酰基異硫氰酸酯日韩婬乱a一级毛片多女韩国A片,再與對氯苯甲酰肼進(jìn)行加成反應(yīng)无码视少妇视频一区二区三区,生成新型化合物N-萘乙酰基-N'-對氯苯甲酰氨基硫脲。

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)磺酰苯胺重氮化色伊伊综合久久桃花影院,分別與乙酰乙酰苯胺www.爱99、2—萘酚、1-苯基-3-甲基-5-吡唑啉酮青春草青、尼文酸精品国产看高清国产AV毛片、1-乙酰氨基-7-萘酚等偶合,得到不同的偶氮化合物国产精品看黄网站,然后分別與硫酸鉻或氯化鈷進(jìn)行絡(luò)合反應(yīng)美女午夜大片免费视频,得到黃、橙A片、Com、紅手机在线免费看黄色片网站、紫、藍(lán)多種顏色染料九一国产视频精选,并進(jìn)行了毛織品的染色實驗亚洲视频无线观看。

The simulation results show that the free energy of hydrogenation of acetylacetone iron to prepare enol-acetylacetone is less than that of the reaction to produce keto-acetylacetone at the same temperature.

計算結(jié)果表明:相同溫度下国产欧美精品一区二区三区四某1区,乙酰丙酮鐵加氫生成烯醇式乙酰丙酮的反應(yīng)自由能小于生成酮式結(jié)構(gòu)乙酰丙酮的反應(yīng)自由能;乙酰丙酮鐵加氫更傾向于生成烯醇式結(jié)構(gòu)的產(chǎn)物欧美性大战久久久久久久。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工藝2哦美一级黄色网站,6-二氯-3-甲基苯胺調(diào)查3-甲基首次N-乙酰與醋酸酐,然后與氯磺酸和氨產(chǎn)量 2-甲基-4--苯磺酰胺基中文字幕视一区二区人妻,而擅轉(zhuǎn)乙酰91福利区一区二区三区,氯化和水解的標(biāo)題compound.hydrochloric酸代替氫氧化鈉乙酰氯酸鈉代替雙氧水為氧化劑,加氯欧美熟女性高潮视频。

The main results and conclusions are as followings.1, The histone deacetylase inhibitors were used to feed the larve of the fly, and then the polytene chromosomes were observed under the microscope.

得到的主要結(jié)果和結(jié)論如下: 1A片黄视频免费观看,通過用去乙酰化酶抑制劑處理果蠅幼蟲,觀察果蠅多線染色體在熱休克基因處的形態(tài)變化黄色视频在线三区,發(fā)現(xiàn)去乙酰化酶抑制劑介導(dǎo)的乙酰化水平的升高可引起染色體結(jié)構(gòu)的顯著變化亚洲人成一区,推測乙酰化修飾不僅影響分子間的相互作用而且還可以影響染色體的高級結(jié)構(gòu)。

Guanine can quench the phthalhydrazidylazoacetylacetone's ECL in acid medium, and the linear concentration range of guanine relative to the ECL intensity is from 2.0×10~(-6) to 1.0×10~(-5) mol/L.The mechanism of phthalhydrazidylazoacetylacetone's ECL on the surface of ITO glass has been discussed according the experimental phenomenon.The phenomenon of ITO self-luminescence has also been studied.It has been found that the machanism of phthalhydrazidylazoacetylacetone on the surface of ITO in different medium is dissimilarity. The phenomenon of ITO self-luminescence may be caused by the interaction of the active oxygen element and ITO's surface.

鳥嘌呤在弱酸性介質(zhì)中3-(1-乙酰丙酮偶氮)苯二甲酰肼的電化學(xué)發(fā)光具有顯著的淬滅作用内射亚洲美女视频在线搞,2.0×10~(-6)~1.0×10~(-5) mol/L濃度范圍內(nèi)国产鲁鲁在线,電化學(xué)發(fā)光強度與鳥嘌呤的濃度成良好的線性關(guān)系根據(jù)相關(guān)試驗現(xiàn)象對3-(1-乙酰丙酮偶氮)苯二甲酰肼在氧化銦錫玻璃電極上的電化學(xué)發(fā)光機(jī)理進(jìn)行了初步探討,并對氧化銦錫玻璃電極自身發(fā)光現(xiàn)象進(jìn)行了研究亚洲欧洲日韩在线一区二区三区,研究發(fā)現(xiàn)在不同酸度環(huán)境中色色小视频一区二区,3-(1-乙酰丙酮偶氮)苯二甲酰肼在氧化銦錫玻璃電極上電化學(xué)發(fā)光的機(jī)理是顯著不同的;ITO自身發(fā)光可能是由活性氧系分子與ITO鍍膜玻璃電極表面相作用引起的欧美男女一级黄色视频。

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