乙酰

By the state-level key high-tech enterprises - Jinke Technology Group Holdings initiated the establishment of the Company, Ltd., founded in May 2001, is located in China's economy the most dynamic Yangtze River Delta, Hangzhou Bay the south bank of Hangzhou Bay Fine Chemical Park, adjacent to Shanghai Port and Ningbo Port, is the factory covers an area of 880 acres, with more than 600 employees, specializing in the production of sodium percarbonate, tetraacetylethylenediamine, sodium perborate, solid peracetic acid and sodium acetate.

浙江金科化工股份有限公司系由国家级重点高新技术企业－金科科技集团控股发起设立的股份有限公司，创建于2001年5月，地处中国经济最具活力的长江三角洲地区，杭州湾南岸的杭州湾精细化工园区毗邻上海港与宁波港，现厂区占地880亩，拥有员工600余名，专业生产过碳酸钠、四乙酰乙二胺、过硼酸钠（SPB、固体过氧乙酸及醋酸钠。

L-Phenyl-3-methyl-5-pyrazoIone was synthesized by the reaction of ethyl acetoacetate and phenyl hydrazine in ethanol.

在无水乙醇的存在下，乙酰乙酸乙酯和苯肼为原料合成标题化合物。

Ten kinds of metal and three kinds of organic templates, including ethylenediamine, 1,4-butylenediamine and pyrazine were used in the synthesis of metal phosphonate coordination polymers.

在所合成的16种金属有机膦酸盐配位聚合物中，有机配体为2-羟基乙酰基膦酸，用于配位的金属离子共10种，模板剂3种分别为乙二胺(en，1，4-丁二胺，哌嗪。

Two compounds were synthesized with two methods. The two compounds can be synthesized by two steps with triethylamine as catalyst.

分别用氢氧化钠、三乙胺为缚酸剂，3-氨基-2-丁醇、2-氨基-3-戊醇、环己酮和二氯乙酰氯为原料，采用一步法和分步法合成了两种潜在除草剂安全剂。

Dehydroacetic acid was synthesized from acetacetic ether, and the influent factors of productive rate were investigated.

研究了以乙酰乙酸乙酯为原料合成脱氢醋酸过程中，催化剂的种类、用量以及反应时间对产物得率的影响。

With 1,4-bezenoquinone and ethyl acetoacetate as the starting materials, it had been prepared in a novel six-step procedure in overall yield of 34.6%.

以1，4-苯醌和乙酰乙酸乙酯为起始原料，经新的六步反应过程，合成阿比朵尔，总收率为34.6％。

KF/NaZnPO4 was used as the catalyst for Michael addition reaction of ethyl acetoacetate and acrylonitrile.

以磷酸锌钠负载KF为催化剂，催化乙酰乙酸乙酯与丙烯腈进行Michael 加成反应。

Various reaction parameters such as ratio of ethyl acetoacetate to ethylene glycol,catalyst amount,reaction time and water-carrying reagent amount were studied.

讨论了酯醇比、催化剂用量、反应时间、带水剂用量对酯化率的影响。最佳反应条件为：n：n=1：1.8，催化剂用量为乙酰乙酸乙酯质量的2%，带水剂用量为20mL，反应时间3h。

A series of methyl 2,7,7-trimethyl-5-oxo-4-aryl1,4,5,6,7,8- hexahydroquinoline -3-carboxylate were synthesized by the reaction of aromatic aldehydes,dimedone and methyl acetoacetate using ammonium acetate as catalyst in glycol under microwave irradiation with 82%～98% yields in 4～6 min.

微波辐射下以芳醛、达咪酮、乙酰乙酸甲酯为原料，乙二醇为溶剂，醋酸铵为催化剂合成了一系列2，7，7-三甲基-5-氧代-4-芳基-1，4，5，6，7，8-六氢喹啉-3-羧酸甲酯化合物，反应时间4~6 min，产率82%~98%。

_6P_2W_(17)VO_(62) catalyst was prepared and characterized by FTIR,and synthesis of fraistone over as-synthesized catalyst from ethyl acetoacetate and 1,2-propylene glycol was investigated.

制备了Dawson型磷钨钒酸铵催化剂，用FT-IR分析方法对催化剂进行了结构表征，并以乙酰乙酸乙酯与1，2-丙二醇为原料催化合成了苹果酯-B。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。