本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L- 薄荷酯和叔丁酯。
Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.
1956年，施特恩巴赫在胡乱处理一种苯二氮卓类化合物的时候，用甲胺化合制成了一种白色晶状粉末，标上"Ro5"06卯"放在了架子上。
In 1956 Mr Sternbach, fiddling with yet another benzodiazepine, treated it with methylamine, made a white crystalline powder, labelled it Ro 5-0690 and put it away on a shelf.
甲氨喋呤加柳氮磺吡啶疗法是推荐给那些患病时间长久，病情高度活动、但是没有不良预后特征的患者。
Methotrexate plus sulfasalazine is recommended in patients with all disease durations provided they have high disease activity and poor prognostic features.
该染料的甲川链上的中位碳原子与氨基的氮原子相连。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group.
报道了一系列铜与含氮、氧、磷配体形成的配位催化剂用于甲醇氧化羰化合成碳酸二甲酯的研究结果。
Oxidative carbonylation of methanol to dimethyl carbonate catalyzed by a series of copper complexes bearing ligands with nitrogen, oxygen and phosphine donors is reported.
马氏体钢抗杆式模拟弹防护系数随着强度的提高而提高，呈线性关系，含氮奥氏体钢穿甲防护系数远远高于同一强度级别的马氏体钢。
For mass efficiency of penetration, martensite steel increases in line with strength, and nitrogen alloyed austenitic steel is much higher than that of the same strength martensite steel.
该染料甲川链上的碳原子与氨基的氮原子相连，而该氮原子又与染料的甲川链形成烯胺。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye .
席夫碱主要是指含有碳氮双键的亚胺或甲亚胺特性基团的一类有机化合物，早期的研究一般为缩胺类席夫碱。
Schiff base is the Types of organic compounds which contain C-N double bond of the imine or azomethine group characteristics. the early research focus on Amine Schiff base reduction.
方法：以对硝基苯甲酰氯为原料，经氨解、氢化、重氮化及偶合四步反应得到了巴柳氮。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
方法以对硝基苯甲酰氯为起始原料，经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。
METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
木质素的甲氧基、羧基含量与总氮、有效氮含量均呈较好的线性关系。
The contents of methoxyl and carboxyl groups have good linear relationships between the contents...
最后，研究了叔辛胺和环氧氯丙烷反应得到的1-叔辛基-3-羟基氮杂环丁烷盐酸盐的甲磺酰化和硝化的反应性。
At Iast, the possibility of the 1-tert-octyl-3-hydroxyl azetidine's hydrochloric salt methyl-sulfuric-acyl reaction and nitration reaction is studied.
将七号位碳上的溴基取代成各种苯胺类衍生 物，再与4-甲氧基-磺基氯苯反应得到6-氮基吲哚-1-磺胺。
The 7-bromo group was replaced with various aniline, and then treated with 4- methoxybenzenesulfonyl chloride to afford the 6-azaindole-1-sulfonamides.
将七号位碳上的溴基取代成各种苯胺类衍生 物，再与4-甲氧基-磺基氯苯反应得到6-氮基吲哚-1-磺胺。
The 7-bromo group was replaced with various aniline, and then treated with 4- methoxybenzenesulfonyl chloride to afford the 6-azaindole-1-sulfonamides.
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