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- By oxidation,nitration,condensation,reduction,a organic pigment intermidiate N (3' amino 4' chloro)benzoyl 2 methyl 3 chloroaniline was prepared,through using 4 chloromethylbenzene as first material. 以4-氯甲苯为原料;经过氧化;硝化;缩合;还原反应;制成有机颜料中间体N(3’氨基4’氯代)苯甲酰基2甲基3氯代苯胺.;对影响反应的诸因素进行了讨论;产品总收率为57
- The intermidiate of Leminon [2 methyl N methyl N (2 methylphenyl) propionate amid] has been synthesized via nitration,reduction,acylation and methylation from toluene. 以甲苯为原料,通过硝化、还原、酰化、甲基化合成了莱敏拉唑中间体2-甲基-N-甲基-N-(2-甲基苯基)-丙酰胺
- Keywords Bis（2 methyl 3 furyl）disulfide;Chicken meat flavor;GC MS; 二（2-甲基-3-呋喃基）二硫醚;鸡肉味香精;色谱-质谱;
- The purpose accumulates professional sex acute to spend amine of acyl of 2 methylic armour again (DMF) is toxic and amalgamative armour embryo albumen (AFP) is remarkable heighten patient experience. 目的积累职业性急性重度二甲基甲酰胺(DMF)中毒合并甲胎蛋白(AFP)显著增高患者经验。
- 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。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- Synthesis and Property of 6 (2 Methyl 4 Phenylimidazole) 2,4 Hexadiyne 1 Ol 顾宝珊,李荣缇,张军良, 甲基-4-苯基咪唑)-2,4-己二炔-1-醇的合成与表征
- The bridge is almost 2 kilometres long. 这座桥差不多有两公里长。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- Keywords gas chromatography;2 methyl 3 nitrobenzoic acid;diazomethane;esterification; 气相色谱;2-甲基-3-硝基苯甲酸;重氮甲烷;酯化;
- A lamb with 2 tails is a freak of nature. 有两条尾巴的小羊是畸形的。
- He condensed his report from 2,000 words to 1,000. 他将报告从两千字压缩到一千字。
