1) 4-halogenopyrazole
4-卤代吡唑
2) 3-halogeno pyrazole
3-卤代吡唑
1.
A theoretical study on the proton transfer in 3-halogeno pyrazole;
3-卤代吡唑质子转移过程的理论研究
3) 4-acylpyrazolone
4-酰代吡唑啉酮
1.
Some new Compomds 1a(PMBP-tsc), 1b(PMBP-mtsc), 2a(PMAP-tsc), 2b(PMAP-mtsc), 3a(PMCP-tsc), 3b(PMCP-mtsc) have been synthesized by the reaction of 4-acylpyrazolone with thiosemicarbazine or S-methyl-dithiocarbazate.
利用 4-酰代吡唑啉酮与氨基硫脲类化合物反应制备了新的吡唑啉酮类衍生物 ,并用IR ,NMR ,MS和元素分析进行表征 ,最后用X射线四圆衍射对其中的 2个化合物进行了晶体结构测
4) 4-acetyl-bispyrazolone
4-酰代双吡唑酮
5) 1-(Substituted pyrazol-4-yl)-1,2,4-triazole
1-(取代吡唑-4-基)-1,2,4-三唑
6) halogenated pyridine
卤代吡啶
1.
Several synthesis routes of five kinds of halogenated pyridine compounds including 3,5,6-trichloropyridin-2-ol, 2,3-dichloropyridine, 2-chloro-5-chlormethylpyridine, 5-chloro-2,3-difluoropyridine and 2,3-dichloro-5-trifluoro methyl pyridine were summarized in this paper.
概述了3,5,6-三氯吡啶-2-醇、2,3-二氯吡啶、2-氯-5-氯甲基吡啶、2,3-二氟-5-氯吡啶和2,3-二氯-5-三氟甲基吡啶5种卤代吡啶类化合物的合成方法,并对其在农药工业中的应用做了简要介绍。
2.
The chemical structure and properties of pyridine and halogenated pyridine compounds were described in this paper,and especially,synthesis of some chloropyridines such as 2,3,4,5,6-pentachloropyridine,3,5,6-trichloropyridin-2-phonol and 2-chloro-5-trifluoromethylpyridine and their applications in the pesticide and pharmaceutics were introduced.
介绍了吡啶和卤代吡啶的结构和性质,综述了五氯吡啶、3,5,6,-三氯吡啶-2-酚、2-氯-5-三氟甲基吡啶等几种氯代吡啶化合物的合成及其在农药、医药领域的应用,并对各种合成路线工业化前景作了评价。
3.
The classification of pyridine derivatives was introduced, application and synthetic route of alkyl pyridine and halogenated pyridine were also elucidated in detail.
介绍吡啶衍生物的分类,并详细总结了烷基吡啶和卤代吡啶的应用及其合成路线。
补充资料：4-卤代吡唑
分子式：
CAS号：
性质：X为氯、溴、碘时的物理常数为：4-氯吡唑。熔点77％；4-溴吡唑。熔点97℃；4-碘吡唑。熔点108℃。用吡唑与相应的卤素进行卤代反应制取，取代基主要进入4位。用作有机合成试剂。
CAS号：
性质：X为氯、溴、碘时的物理常数为：4-氯吡唑。熔点77％；4-溴吡唑。熔点97℃；4-碘吡唑。熔点108℃。用吡唑与相应的卤素进行卤代反应制取，取代基主要进入4位。用作有机合成试剂。
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