查询词典 amination

The disproportionation of dimethylamine to methylamine and trimethylamine was confirmed by the analysis of the gasous phase during the amination test.

脂肪醇和二甲胺催化胺化中的主要副产物为双长链烷基甲基叔胺。

The decomposition of hydroxylamine hydrochloride under the reaction conditions was studied to understand its function during the amination process.

在此条件下，得到的苯胺收率为64 mol%，苯胺选择性为95.6%，转化数为48摩尔苯胺/摩尔V，此结果好于已有文献报道值。

Methods The ultrasound data of 257 aged cases with superficial lymphadenopathy found by physical ex-amination were analyzed retrospectively.

方法回顾性分析我院体检发现浅表淋巴结肿大而行超声检查的老年患者257例。

The other one of the technological lines is the one-step process of direct catalytic amination of sec-octanol and methylamine.

该化合物可以由仲辛醇与甲胺直接催化胺化一步法制得。

Roentgenography,histological and electronic microscope ex-amination was used to compare the osteogenesis effects of each group.

结果 实验组骨缺损无论是骨痂出现还是骨连接发生时间均较对照组明显提前，空白组骨缺损形成骨不连。

As a carrier of plasmid DNA, dextran-spermine cationic polysaccharide was prepared by means of reductive-amination between oxidized dextran and the natural oligoamine, spermine.

作为质粒DNA的载体，阳离子的精胺多聚糖通过氧化右旋糖苷，精胺等之间的脱氨基化作用作用来制备。

As a carrier of plasmid DNA, dextran-spermine cationic polysaccharide was prepared by means of reductie-amination between oxidized dextran and the natural oligoamine, spermine.

作为质粒DNA的载体，阳离子的精胺多聚糖通过氧化右旋糖苷，精胺等之间的脱氨基化作用作用来制备。

Acylamino compounds from AD were synthesized by cleavage of A-ring through NaIO4/KMnO4 oxidation, ring closure by amination, oximation with hydroxylaminechloride in C-17 position, and reduction of oxime in C-17 position and substitution with substituted acylchloride and carboxylic acids.

本文以AD为起始原料，经过NaIO4/KMnO4氧化裂解、胺解环合、羟氨肟化反应，在甾体17位形成肟，并将肟还原成胺，与取代酰氯和有机羧酸反应，合成了15个酰胺化合物。

Emphasis: Aminolysis method of hydroxyl on alcohol, addition amination of epoxy alkyl, aminolysis of aliphatics haloid.

重点：醇羟基的氨解、环氧烷类的加成胺化、脂族卤素衍生物的氨解。

2-Substituted-3,4-dihydro-1(2H)-isoquinolinones were synthesized from methyl 3-hydroxy-ben- zoates via allyl etherification, Claisen rearrangement, oxidation, reductive amination and aminolysis for the first time.

以3-羟基-4-甲氧基苯甲酸甲酯等为原料，通过烯丙基醚化、Claisen重排、氧化、与伯胺反应、还原、分子内酯的胺解六步反应合成了一系列2-取代-3，4-二氢-1-异喹啉酮类化合物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。