查询词典 sulfonamide

Additionally, on account of unstable properties of sulfonyl chlorides in MS and 1H NMR analyses, a new analytical method using stable sulfonamide is put forward to testify the molecular structures of sulfonyl chlorides indirectly.

此外，鉴于磺酰氯在质谱与核磁分析中的不稳定性，以稳定的磺酰胺分析代替直接的磺酰氯分析，间接地证明了磺酰氯的分子结构。

We introduced the sulfonyl group to P-amino alcohols derived from amino acids to prepare β-sulfonamide alcohols.

由于磺酰基的强吸电子作用，磺酰氨基不是作为给电子基团出现，而是和金属钛共同作为Lewis酸对反应起作用的。

In this chapter, we report the synthesis of an alkyl imidazo lium salt supported chiral sulfonamide ligand and its use and recycling in enantiosel-ective reduction of prochiral ketones to optically active secondary alcohols.

在这里我们报道了一种离子液体接枝的磺酰胺手性配体以及在前手性酮的不对称还原反应中的应用，获得了较好的对映纯过量，实现了手性配体的回收和重复使用。

For example, an uncomplicated urinary tract infection may be cured with a sulfonamide, whereas a patient with grand mal epilepsy may have to be treated for life with phenytoin or phenobarbital or both.

例如，无并发症的尿道感染用一种磺胺药物治疗10天就可能痊愈，而患有大发作的癫痫病人则须用苯妥英钠或苯巴比妥或两药合用作终身治疗。

The preparation of a novel chiral sulfonamide alcohol derived from natural camphor and its application in the titanium tetraisopropoxide-promoted enantioselective addition of diethylzinc to benzaldehyde is described.

由天然樟脑合成了一个新手性磺酰胺醇，并对其在二乙基锌对苯甲醛的对映选择性加成中的催化性能进行了研究，获得了73%化学产率和

The invention belongs to the synthesis technical field of pharmaceutical intermediates, and more particularly relates to a preparation method of Cis-4-(2-bromine ethylene) benzene sulfonamide.

本发明属于药物中间体合成技术领域，具体涉及一种顺式-4-(2-溴乙烯基)苯磺酰胺的制备方法。

Commercially available and effective drugs Haitoropikaru T0014 (8) Parazan D (3) Green F Gold (1) contains a sulfonamide such as sodium between the two methoxy-pyrimidine or indole-based phosphate drugs.

有效的市售药物有Haitoropikaru T0014（8）、Parazan D（3）、Green F Gold（1）等含有磺胺间二甲氧嘧啶钠或吲哚基磷酸的药物。

As to the P—methylbenzene sulfonamide plasticizer, less than 10% is needed to meet the requirement of brittle— toughness transition. Whereas, for butyl P—hydroxybenaoate, 20% is needed for the plasticate system to reach the brittle—toughness transition.

对于苯磺酰胺增塑剂，只需不足10％的用量就达到脆—韧转变，而苯甲酸酯类增塑体系则需要20％的用量才能达到脆—韧转变。

Cobalt phthalocynine containing sulfonyl chloride reacted with amine to form sulfonamide.

对得到的主客体化合物用多种物化手段和催化反应进行了表征。

One red crosslinking polymeric dye is prepared in mixed solvent of water and tetrahydrofuran(Schotten-Baumann reaction)from Disperse Red 3B sulfonyl chloride and polyvinylamine.The sulfonamide group in polymeric dye is confirmed by IR.

利用Schotten-Baumann反应，在水与四氢呋喃的混合溶剂中合成了1支新型的红色聚乙烯胺型可交联高分子染料，用红外光谱证明了所合成的染料中磺酰胺基团的存在。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失