中间体

Cis-1-Propenyl phosphonic acid is the key intermediate in the synthesis of phosphonomycin, a new broad antibacterial drug.

顺丙烯膦酸是新型广谱抗菌药磷霉素合成的关键中间体。

Photothermographic material ; Phthalic acid ; Phthalazine ; Silver ; Intermediate

光敏热显成像材料；邻苯二甲酸；酞嗪；银；中间体

Mainly engaged in sodium azide, barium azide, three phosphorus nitride Friday, phenyl isothiocyanate, 1 - phenyl -5 - mercapto-tetrazole, 4 - dimethylamino-pyridine, 2 - mercapto--5 -- methyl-1,3,4 thiadiazole, N-hydroxy phthalimide, anhydrous betaine and betaine hydrochloride, such as fine chemical raw materials and medicine, pesticide intermediates of the development, production and sales.

主要从事叠氮化钠，叠氮化钡，五氮化三磷，异硫氰酸苯酯，1-苯基-5-巯基四氮唑，4-二甲氨基吡啶，2-巯基-5-甲基-1，3，4噻二唑，N-羟基邻苯二甲酰亚胺，无水甜菜碱及甜菜碱盐酸盐等精细化工原料及医药、农药中间体的开发、生产和销售。

The piperonyl acetone is a perfume and an intermediate of some medicines.

胡椒基丙酮是一种名贵的单体香料和一些药物的合成中间体。

Therefore, the study podophyllotoxin intermediate synthesis method has an important academic value and application value.

因此，研究鬼臼毒素中间体的合成方法具有重要的学术价值和应用价值。

In recent years the study of podophyllotoxin mainly concentrated in the intermediate and Improved synthesis of new synthetic routes to explore two aspects.

近年来对鬼臼毒素的研究主要集中在中间体合成工艺的改进和新合成路线的探索两方面。

This intermediates can be more convenient synthesis of podophyllotoxin.

由此中间体可比较方便地合成鬼臼毒素。

As a medicine intermediate the Bean Low Polyose is very important for human health, and has been widely used in the fields of medicine making, health protection drinks and food.

大豆低聚糖为医药中间体，对保障人体健康具有重要作用，在医药、保健饮料、食品等方面具有广泛的用途。

Methyl-1, 2, 3-triazol-4-carbaldehyde was synthesized through 6 steps from propargyl alcohol, and investigated the reaction of 1-phenyl-4-methyliminometyltriazole rearranging into 1-methyl-4-phenyliminometyltriazole.

并对其中1-苯基-4-亚胺甲基-1，2，3-二氮唑经开链中间体，热异构为1-甲基-4-亚胺甲基-1，2，3-三氮唑的反应进行了考察。

Optically active propargylic alcohols are very useful and important precursors to many chiral organic compounds including natural products, pharmaceutical compounds and macromolecules.

手性丙炔醇是非常重要的合成中间体，广泛应用于天然产物、药物以及复杂大分子化合物等的合成。

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。