四氮腙

The X-ray structure analysis reveals that the metal is in a square-planar N2O2 coordination environment formed by the phenolate-O, the imine-N and the deprotonated amide-O atoms of hydrazone ligand and the N atom of Himdz.

配合物的晶体结构分析表明，中心金属通过酰腙配体的酚基氧原子、亚胺基氮原子、去质子酰胺氧原子以及咪唑的氮原子形成平面四方形的N2O2配位环境。

Its reaction with ketenes generated in situ from acid chlorides afforded-4--azetidin-2-one, thus provided a 14-member library of-4--azetidin-2-one with yields 76～91% and an excellent stereoselectivity.

我们从PEG支载的苯甲醛出发，经腙的制备及其氯代之后，在三辛胺作用下，由氯代腙原位生成的腈亚胺与亚胺发生[3+2]偶极环加成反应，得到PEG支载四芳基-4，5-二氢-1，2，4-三氮唑衍生物。

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。