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- Studies on the Sythesis of 2 (2 Cyano 4 Nitro 6 Bromobenzeneazo) 6 Isopropylphenol and Its Color Reaction with Metallic Ions 章汝平, 新试剂2-(2-氰基-4-硝基-6-溴苯偶氮)-6-异丙基苯酚的合成及金属离子显色反应
- Cyano 4 nitrobenzeneazo)-6-isopropylphenol has been synthesizedby coupled reaction colorreaction with metallic ions was sludied. 文献名称2-[（2-氰基-4-硝基苯）偶氮]-6-异丙基苯酚的合成及其与金属离子显色反应
- Methods: According to the structur e of the lead compound: genistein,a genistein derivative,5 hydroxy 4' nitro 7 sustituted oxo isoflavones were designed and synthesized. 方法:根据先导化合物金雀异黄素的结构,设计合成了一类金雀异黄素衍生物:5-羟基-4'-硝基-7-取代氧基异黄酮。
- Keywords ethyl cyanoacetate;\ ethyl acetoacetate;\ ethyl amine;\ N ethyl 3 cyano 4 methyl 6 hydroxypyridin 2 one;\ derivatives; 氰乙酸乙酯;乙酰乙酸乙酯;乙胺;N-乙基-3-氰基-4-甲基-6-羟基吡啶-2-酮;衍生物;
- Keywords nonlinear optical polymer;UV visible spectrum;corona poling 5 （4 nitro phenyl） 2 furol;methyl methacrylate; 非线性光学聚合物;紫外-可见光谱;电晕极化;5-（4-硝基苯）-2-呋喃甲醛;甲基丙烯酸甲酯;
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- meta nitro aniline 间硝基苯胺
- Will 2,000 dozens be enough for selling? 两千打够卖吗？
- The counselor bilked his clients out of$2 million. 那位顾问从他的顾客那里骗取了200万美元。
- Every afternoon the baby takes a nap for 2 hours. 每天下午宝宝都要睡两个小时。
- He added 2 gallons of fuel to his car. 他给汽车加了2加仑油。
- She demonstrated that 2 and 2 are four. 她证明2加2等于四。
- If you subtract 2 from 8, you get 6. 8减去2是6。
- The book will run to nearly 2,000 pages. 这本书将厚达两千页之多。
- The bridge is almost 2 kilometers long. 这座桥差不多有两公里长。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- The number 2 generates the set 2,4,8,16. 2是2，4，8，16这组参数的基数。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- The bridge is almost 2 kilometres long. 这座桥差不多有两公里长。
- A lamb with 2 tails is a freak of nature. 有两条尾巴的小羊是畸形的。
