2) pyridinium group
吡啶盐基团
1.
The result showed that when there was no pyridinium groups in the surface of PP nonwoven cloth, the more negative the change of free energy in the adhesion process was, the more advantageous the adhesion to bacterial cells was.
研究了含吡啶盐基团的改性聚丙烯 (PP)非织造布的抗菌机理 ,分析了大肠杆菌在改性聚丙烯非织造布上的粘附热力学过程 。
3) picoline
[英]['pikəli:n] [美]['pɪkə,lin, 'paɪkə-]
甲基吡啶
1.
This paper reviewed the development of V-contained catalysts for gas phase ammoxidation of picolines to corresponding cyanopyridines.
综述了国内外甲基吡啶气相氨氧化制氰基吡啶V系催化剂的研究进展。
4) alkylpyridine
烷基吡啶
1.
Different reagents have been used in the preparation of α- alkylpyridine.
使用烷基锂,烷基镁格氏试剂和脂肪酸自由基3种方法制备烷基吡啶,研究发现,不同的试剂反应活性不同,所得的主产物为α 位取代,用烷基锂所得主产物的收率较好,具有重要的合成意义 产物结构经IR,1HNMR,13CNMR,MS证
2.
The yields of alkylpyridine could be more than 85%(wt) in the optimized reaction and coke was 6%(wt) .
在最优反应条件下,Co-ZSM-5分子筛催化剂上烷基吡啶的收率可达85％(wt)以上,积炭量稳定在6％(wt)左右。
3.
Aldehyde-ammonia condensation reaction is one of the typical routes to manufacture alkylpyridine.
醛氨缩合反应是制备烷基吡啶最具代表性的反应路线之一。
5) 2-pyridylpyridine
2-吡啶基
1.
The industrial synthetic methods of 2-pyridylpyridine and 2-phenylpyridine derivatives were introduced briefly in this paper.
简介了2-吡啶基和2-苯基吡啶衍生物的工业合成方法。
6) Aminopyridine
[ə,minəu'piridi:n]
氨基吡啶
1.
A general synthetic route of aminopyridines such as 2-aminopyridine, 3-aminopyridine and 4-aminopyridine, which were useful organic intermediates, was investigated.
本文在总结以往文献的基础上,对重要的医药、农药和染料中间体氨基吡啶类化合物,尤其是2-氨基吡啶及其衍生物、3-氨基吡啶、4-氨基吡啶的合成进行了研究。
2.
On the base of investigating documents, we succeed in synthesis a serial of 2-,3-,4-, aminopyridine derivatives and the enantiomer of 1-methyl-1,2,3,4-tetrahydroisoquinoline.
卤代含氮杂环药品近年发展迅速,因而相关的中间体也得到了发展,其中氨基吡啶的卤代物和衍生物以及1-取代苯骈氢化吡啶都是合成除虫、抗癌等药物的重要中间体。
补充资料：钝化基团
分子式：
CAS号：
性质：又称致钝基团。使得苯环上发生亲电取代应比苯困难的原子或原子团。
CAS号：
性质：又称致钝基团。使得苯环上发生亲电取代应比苯困难的原子或原子团。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条