烯基
- 与 烯基 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Otherwise, an intermediary allylamine deposition was covalently linked to the oxide layer by glow discharge, the covalent binding of bioactive protein to the free terminal NH2 groups using glutaraldehyde as a coupling agent was followed.
并利用丙烯胺的电浆处理在钛金属表面键结上胺基(-NH2)的官能基,之后再以交链剂戊二醛来固定生物活性胶原蛋白於低温电浆处理后的钛金属表面。
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This dissertation studied allylation reactions of carbonyl compounds promoted by inorganic salts or carbon dioxide in aqueous media.
本论文主要研究了水相中无机盐和二氧化碳促进羰基化合物烯丙基化反应。
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The electron transfer mediated asymmetric radical allylation reactions were investigated in details.
中文摘要本论文对电子转移引发的不对称自由基烯丙基化反应进行了研究。
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These coordination compounds mostly have group ⅡB metals as center ions. The complexes are classified with ligand as three types: thiourea type, allylthiourea type and thiosemicarbazone type.
这类配合物大都以ⅡB族金属为中心离子,根据配体不同可分为硫脲类、烯丙基硫脲类及缩胺基硫脲类3种类型。
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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。
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The detailed mechanisms of the electron transfer reactions of common coenzyme NADH model compounds were systematically investigated using o-allyloxy benzenediazonium salt as the probe.
应用邻位烯丙氧基取代的芳基重氮盐作为探针,对辅酶NADH几种最常用的模型化合物电子转移反应的过程和机理进行了比较系统的考察。
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To our surprise we achieved the ligand 9, 11 and 29 with coordinating atoms fixing at benzylic and benzene ring positions, whose structure is unique in the planar chiral cyclophane chemistry.
以钯催化的烯丙基取代反应对配体进行了考察,硫醚或硒醚取代基在苄位取代的配体表现出更高的反应活性和更高的对映选择性,配体9和11均给出最高为94%的ee值。
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The influence of microwave radiation on Ullmann reaction has been investigated by three Ullmann reactions, including triphenylamine formed by treating the diphenylamine with bromobenzene or Chlorobenzene which substitutes Iodobenzene; 4,4\'-dimethyltriphenylamine formed by treating 4,4\'-dimethyldiphenylamine with bromobenzene which substitutes Iodobenzene; 4,4\',4-trinitrotriphenylamine formed by treating 4-chloronitrobenzene with p-nitroaniline in this paper.
实验表明,在微波辐射条件下,顺式比反式迈克尔反应活性高;若在丁烯二酸的双键上引入甲基后,降低了进行迈克尔加成反应的活性;引入酯基对双键的影响比腈基有利于进行迈克尔反应,丙烯酸甲酯较丙烯腈的迈克尔反应活性高。
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In order to study strcture-bioactivity relationship concerning α,β-unsaturated-γ-lactones, we further synthesized γ-benzyloxymethy-γ-butanolide XXIII and the corresponding unsaturated buteno- lido XXV Scheme 6, p.
为了研究该类化合物的构效关系,在本论文第三部分,我们进一步设计并合成了--γ-苄氧基甲基-γ-丁内酯XXIII和--γ-苄氧基甲基-γ-丁烯内酯XXV这两个内酯化合物,目的是想考察内酯的α,β-不饱和双键是否是产生细胞毒性的关键结构。
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Thiazolidiane-4-carboxylic acid was prepared and used as the aid catalyst that has strengthened the catalytic effect of chloroplatinic acid, greatly improved the yield of the hydrosilylation of methyldichlorosilane with allychloride, and made the yield get to 64.9%.
通过比较,选用自制的含硫化合物4-羧基-1,3-噻唑烷作助催化剂,大大增强了氯铂酸的催化活性,使甲基二氯硅烷与氯丙烯的加成反应以较高产率得到γ-氯丙基甲基二氯硅烷,产率可达64.9%。
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。