- 更多网络例句与羟醛相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper, 2,2-dimethylolbutyraldehyde was synthesized through the acetal reaction of formaldehyde and butyraldehyde, using silicotungstic acid as catalyst.
通过实验研究了硅钨酸对此羟醛缩合反应的催化效果,研究探讨了硅钨酸对此缩醛反应的催化反应活性,以及催化剂的的用量,反应物配比,反应时间等因素对反应产品收率的影响,确定了最佳催化条件。
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Hydroxybutyraldehyde, which is main material of synthesizing 3-hydroxybutyric acid was prepared through the aldol condensation of acetaldehyde in this paper. The properly reaction conditions of acetaldehyde condensation and paraldehyde depolymerization was studied and obtained.
本文自行制备了氧化反应的主要原料3-羟基丁醛,并对乙醛羟醛缩合反应及三聚乙醛的解聚反应进行了初步研究,确定了反应的最佳条件。
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The preparation of 2,2-dimethyl-3-hydroxy propanal from the condensation of formaldehyde and i-butyraldehyde by using triethylamine as catalyst was studied.
以异丁醛和甲醛为原料,三乙胺为催化剂,羟醛缩合法合成了2,2-二甲基-3-羟基丙醛。
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Ab initio and density functional theory (B3LYP) in G98 were employed to study the following four direct aldol reactions between acetone and isobutyraldehyde or 3,3-dimethylbutyric aldehyde or benzaldehyde or 4-bromo-phenyl aldehyde catalyzed by-proline .
中文摘要:本文采用G98程序包中的从头计算方法和密度泛函方法计算研究了-脯氨酸催化丙酮与异丁醛、3,3-二甲基丁醛、苯甲醛及对溴苯甲醛的不对称直接羟醛缩合反应,共计四个反应体系。
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The comparative investigation of synthesizing the polyhydric alcohols, such as pentaerythritol, pentaglycerine, trimethylolpropane, neopentyl glycol and so on are conducted, these compounds are all based on the reaction of cross-aldol condensation.
对季戊四醇、三羟甲基乙烷、三羟甲基丙烷、新戊二醇等基于交叉羟醛缩合反应的多元醇类化合物的合成进行对比研究。
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Aldol condensation of aldehydes with α-H in the base-catalyzed formation of carbon ions, and carbon ions as nucleophiles on aldehydes and ketones to increase the pro-nuclear ...
羟醛 缩合具有α-H的醛,在碱催化下生成碳负离子,然后碳负离子作为亲核试剂对醛酮进行亲核加。。。
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A yield of 88% for TMH can be obtained by using the optimized synthetic conditions as follows: molar ratio of formaldehyde to octylaldehyde 4.5: 1.0, molar ratio of sodium hydroxide to octylaldehyde 1.4: 1.0, aldol condensation temperature 35℃ and time 240min Cannizzaro reaction temperature 55℃ and time 180min.
结果表明,优化的合成三羟甲基庚烷的反应条件是,n/n=4.5,n/n=1.4,羟醛缩合反应温度和时间分别为35℃和240min,康尼扎罗反应温度和时间分别为55℃和180min,摩尔产率可达88%。
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Trimethylolheptane was synthesized through consecutive aldol condensation and Cannizzaro reaction of octylaldehyde and formaldehyde, using sodium hydroxide as catalyst.
为制备新型芳香缓释聚氨酯微胶囊合成了两亲性单体三羟甲基庚烷。以氢氧化钠为催化剂,辛醛和甲醛在较低温度下发生羟醛缩合反应生成2,2-二羟甲基辛醛。
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It is suggested that the scission is preceded by an aldol condensation, followed by a phenolic hydroxyl participation with scission of the C---C in the β-hydroxy-ketone formed.
经推论这一断键反应首先是发生羟醛缩合,继以在酚羟基参与下引发烷羰C-C键断裂的;还应指出,也是由于对位羟基的参与,这些烷基对羟苯基酮不形成它们的乙醇缩酮。
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Dimethyloldodecanoic acid was synthesized using lauric aldehyde ,formaldehyde and hydrogen peroxide as regents through aldol condensation and oxidation reactions.
研究了以月桂醛、甲醛、过氧化氢为原料,经羟醛缩合、过氧化氢氧化合成2,2-二羟甲基十二酸的方法,探讨了原料摩尔比、催化剂或氧化剂用量、反应温度和时间对羟醛缩合反应和氧化反应的影响。
- 更多网络解释与羟醛相关的网络解释 [注:此内容来源于网络,仅供参考]
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aldol:羟醛
alditol糖醛 | aldol羟醛 | aldol condensation羟醛缩合
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aldol condensation:醛醇缩合
aldol 羟醛 | aldol condensation 醛醇缩合 | aldol reaction 醇醛缩合反应
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aldol condensation:羟醛缩合
aldol羟醛 | aldol condensation羟醛缩合 | aldolase醛缩酶
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aldoketene:醛烯酮
aldohexose 乙醛糖 | aldoketene 醛烯酮 | aldol 羟醛
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o-hydroxybenzaldehyde; salicylaldehyde:邻羟苯甲醛;柳醛
邻羟苄醛;邻羟苯甲醛 o-hydroxybenzaldehyde | 邻羟苯甲醛;柳醛 o-hydroxybenzaldehyde; salicylaldehyde | 邻羟苯甲酰胺;柳酰胺 o-hydroxybenzamide; salicylamide
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Retrograde aldol condensation:逆羟醛缩合
Cross aldol condensation 交叉羟醛缩合 | Retrograde aldol condensation 逆羟醛缩合 | Acyloin condensation 偶姻缩合
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Cross aldol condensation:交叉羟醛缩合
Aldol condensation 羟醛缩合 | Cross aldol condensation 交叉羟醛缩合 | Retrograde aldol condensation 逆羟醛缩合
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Cross aldol condensation:交*羟醛缩合
Aldol condensation 羟醛缩合 | Cross aldol condensation 交*羟醛缩合 | Retrograde aldol condensation 逆羟醛缩合
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Cross aldol condensation:羟醛缩合
缩合 Aldol condensation | 羟醛缩合 Cross aldol condensation | Enamine 烯胺 Ynamine
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aldol condensation reaction:羟醛缩合反应
强化冷凝传热:condensation heat transfer enhancement | 羟醛缩合反应:aldol condensation reaction | 哌嗪缩合反应:Condensation reaction of piperazine