A series of diazonium salts of 4-(N-methyl-N-phenylamino)-3-amino-1,8-naphthalic anhydride 5a, its naphthalimide derivative 5b, and 5e were designed and synthesized,and it was the first time to discover that aromatic radical-induced intramolecular aromatic 1, 5-hydrogen transfer was also involved in the nitrogen-contianed system during Pschorr cyclization.

實(shí)驗(yàn)設(shè)計(jì)合成了4--3-氨基-1国产欧美日韩另类VA在线，8-萘酐的重氮鹽5a操屄无码、其衍生物N-丁基-4--3-氨基-1国产无码视频麻豆，8-萘酰亞胺的重氮鹽5b和N--4--3-氨基-1操喷视频，8-萘酰亞胺的重氮鹽5c免费操视频在线，并首次發(fā)現(xiàn)了通過普朔爾環(huán)化反應(yīng)以氮甲基化的氮為橋原子的體系存在著芳香自由基誘導(dǎo)的芳香1，5-氫轉(zhuǎn)移456亚洲视频在线观看。

Amino-5-acety laminobenzenesulfonic acid has been synthesized from 2, 5-diaminobenzene sulfonic acid and Acid Red BG (CI Acid Red 37) has been synthesized by coupling the diazonium salt of 2-amino-5-acetylaminobenzenesulfonic acid with racid.

利用2免费www你懂的网站视频，5-二氨基苯磺酸為原料合成2-氨基-5-乙酰氨基苯磺酸，并進(jìn)一步經(jīng)2-氨基-5-乙酰氨基苯磺酸重氮鹽與γ酸的偶合反應(yīng)合成了酸性紅BG（CIAcidRed37）91资源总站，并對(duì)影響反應(yīng)的因素進(jìn)行了討論

The resultant was hydrogenised to remove protective group of amino group, then the product was reacted with NaNO2 to give diazonium salt, which was conjugated with salicylic acid, hydroxybenzene, N-salicyloyl glycine acid to get azo derivatives of 4-ASA.

本文首先對(duì)4-ASA的氨基和羥基進(jìn)行了選擇性保護(hù)自拍欧美日韩制服视频，通過氫化還原法選擇性脫除氨基的保護(hù)基，然后將氫化產(chǎn)物制成重氮鹽欧洲免费黄色网站，通過與水楊酸一级黄色性交片、苯酚和水楊酰甘氨酸發(fā)生反應(yīng)生成4-ASA的偶氮衍生物，最后在堿性條件下水解得到最終產(chǎn)物色色无码视频。

The diazotization condition of 4-methyl-1-ethyl-3-cyano-5amino-6-hydroxy-2-pyridone and coupling condition of its diazo salt were researched, and the structure of its diazo salt was confirmed.

研究了4-甲基-1-乙基-3-氰基-5-氨基-6-羥基-2-吡啶酮的重氮化反應(yīng)及其重氮鹽發(fā)生偶合反應(yīng)的條件亚洲欧美日本另类，確定了重氮鹽的結(jié)構(gòu)。

Chapter two: Using 5-(4-aminophenyl)-10,15,20-triphenylporphyrin as thestarting compound, the classical diazotization of aniline and the resulting reaction ofdiazo salts were applied to porphyrin for the first time, and a series of asymmetriclysubstituted meso-tetraarylporphyrins including 5-(4-chlorophenyl)-10,15,20-triphenylporphyrin, 5-(4-iodinphenyl)-10,15,20-triphenylporphyrin, 5-(4-cyanophenyl)-10,15,20-triphenylporphyrin, 5-(4-bisphenyl)-10,15,20-triphenylporphyrin and 5-(4-hydroxylphenyl)-10,15,20-triphenylporphyrin were synthesized.

第二章：在已合成的5-(4-氨基苯基)-101级黄色免费片，1599这里只有精品首页，20-三苯基卟啉基礎(chǔ)上，首次將芳胺的重氮化及重氮鹽反應(yīng)應(yīng)用于卟啉性直播在线看黄网站，合成了5-(4-氯苯基)-10青草视频在线播放精品无码，15，20-三苯基卟啉在线观看国产、5-(4-碘基苯基)-1091人妻教师超碰，15，20-三苯基卟啉国产拍在线视频、5-(4-氰基苯基)-101024手机看片你懂的无毒不卡，15，20-三苯基卟啉美女久久黄色的网站、5-(4-聯(lián)苯基)-10国产线观看A片免费看一及，15，20-三苯基卟啉和5-(4-羥基苯基)-10国产91免费资源在线观看手机，15亚洲精品一二三区，20-三苯基卟啉等一系列不對(duì)稱取代的meso-四芳基卟啉。

The appropriate temperature of diazotization was-10～-5℃,and the diazotizating fluoborate was decomposed in petroleum ether to get 2-chloro-3-fluoropyridine with 64% yield.

以2-氯-3-氨基吡啶為原料影音先锋影院精品资源站，在40%的氟硼酸溶液中肏屄毛片免费看，采用飽和的亞硝酸鈉為重氮化劑，在-10~-5℃下進(jìn)行重氮化反應(yīng)制得重氮鹽，在石油醚中熱分解得到2-氯-3-氟吡啶性爱一级高清无码视频，收率為64%国产做a爱一级毛片久久潮。

The 6-nitro-2-benzothiazolyldiazoaminoazobenzene as a chromogenic reagent was synthesized and its color reaction with nickel has been investigated.

合成了顯色劑6 硝基 2 苯并噻唑重氮氨基偶氮苯，并在TritonX 100表面活性劑存在下k8经典网性饥渴少妇，研究了其與鎳的顯色反應(yīng)国产精品一级毛片国语一级A片。

In the third part of this paper, a facile method is presented for synthesis of malonaldehyde dianil from propargyl alcohol by oxidizing using chromium trioxide and addition reaction with aniline.

對(duì)肼基苯磺酸是由對(duì)氨基苯磺酸經(jīng)亞硝酸鈉重氮化得到的重氮鹽用亞硫酸氫鈉還原、水解国产丰满熟女视频、硫酸酸化制得A片黄片视頻，本文經(jīng)多次實(shí)驗(yàn)確定了反應(yīng)原料、用量及反應(yīng)條件国产乱人伦精品一区二区三区，得到的產(chǎn)品純度好色悠久久久综合网，產(chǎn)率高。

Using classical diazotisation of anilines, 5-(4-aminophenyl)-10,15,20-triphenyl-porphyrin was converted to a series of meso-tetraarylporphyrins with different substituents, including 5-(4-hydroxylphenyl)-10,15,20-triphenylporphyrin (80%), 5-(4-chlorophenyl)-10,15,20-triphenylporphyrin (74%), 5-(4-iodinphenyl)-10,15,20-triphenylporphyrin (76%), 5-(4-hydrazinephenyl)-10,15,20-triphenylporphyrin (67%) and 5-(4-bisphenyl)-10,15,20-triphenylporphyrin (32%). Therefore an efficient way of synthesizing unsymmetrically substituted TAPs was developed.

利用芳胺的重氮化及重氮鹽反應(yīng)影音先锋777xfplay色资源网站，研究了5-(4-氨基苯基)-10免费人妻98，15，20-三苯基卟啉上氨基官能團(tuán)的轉(zhuǎn)化反應(yīng)淫淫黄色一片，以較高產(chǎn)率合成了5-(4-羥基苯基)-10欧美高清国产在线有码，15，20-三苯基卟啉(80%)色色色色色色色亚洲、5-(4-氯苯基)-10中文自拍日韩在线视频观看网站，15，20-三苯基卟啉(74%)免费看国产片黄色网站、5-(4-碘基苯基)-10欧美性爱调教美女视频播放三区，15，20-三苯基卟啉(76%)又粗又长又刺激黄色网站、5-(4-肼基苯基)-10AAAA一,黄片，15，20-三苯基卟啉(67%)和5-(4-聯(lián)苯基)-10婷婷五月天开心激情网，15中国一级大黄片强奸与乱伦，20-三苯基卟啉(32%)等一系列含單個(gè)para-取代基的meso-四芳基卟啉，為合成不對(duì)稱取代的芳基卟啉提供一條有效途徑五月丁香人人插。

The reaction can be carried out in a non-aqueous solution and 4-aminopyridine can be diazotized with this method.

這個(gè)方法表現(xiàn)出如下優(yōu)點(diǎn)：1）98欧美精品系列一区二区，整個(gè)重氮化與偶聯(lián)反應(yīng)均在非水溶劑中進(jìn)行；2）乱婬网站，改變?cè)喜煌读媳妊侵轪v无码无线在线观看，可以分別得到含有一，二国产熟视频在线，四偶聯(lián)產(chǎn)物為主的反應(yīng)產(chǎn)物；3）欧美的一级片，可以合成在酸性水溶液中不易重氮化的4-氨基吡啶的偶氮化合物美女自慰黄色大片。

diazomethane：重氮甲烷

用于制備重氮甲烷(diazomethane)的前體物質(zhì). 用于轉(zhuǎn)移金屬復(fù)合物、氨基少妇被黑人4p到惨叫欧美人、負(fù)碳離子等的亞硝基化試劑.

sulfanilic acid：對(duì)氨基苯磺酸

α-萘胺和對(duì)氨基苯磺酸(sulfanilic acid)常用來檢測(cè)細(xì)菌的硝化還原作用. 含硝酸還原酶的生物有機(jī)體把硝酸鹽還原成亞硝酸, 和對(duì)氨基苯磺酸生成重氮鹽,和α-萘胺生成紅色偶氮染料.