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.

配合物的晶體結(jié)構(gòu)分析表明国产精品99久久久久久久www，中心金屬通過酰腙配體的酚基氧原子真实国产乱子伦视频在线播放、亞胺基氮原子亚洲av成人一区二区三区观看、去質(zhì)子酰胺氧原子以及咪唑的氮原子形成平面四方形的N2O2配位環(huán)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.

我們從PEG支載的苯甲醛出發(fā)人人看人人妻人人干人人操，經(jīng)腙的制備及其氯代之后一级a片黄色视频免费播放，在三辛胺作用下，由氯代腙原位生成的腈亞胺與亞胺發(fā)生[3+2]偶極環(huán)加成反應(yīng)亚洲A区黄色精品，得到PEG支載四芳基-4毛片在线不卡，5-二氫-1，2尹人在线4，4-三氮唑衍生物激情图片和激情视频小说。