On the other hand, the accumulated molar amount of hydrogen gas becomes an alternative way to estimate the carboxylic acid corrosion potential. 展开 关键词: Carboxylic acids Corrosion Decomposition Dissolution Hydrogen Iron Naphthalene Reaction kinetics ...
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acetic anhydride loses the hydrogen atom under the alkali function, the production acetic anhydride anoin, this anoin and the benzene has the nucleophilic addition reaction to obtain the carboxyl group acid anhydride intermediate, this intermediate being heated dehydration and the hydrolisis obt [...
Michael reaction of conjugated nitro olefins with carboxylic acid dianions and with ester enolates: new synthesis of .gamma.-keto acids and .gamma.-keto es... M Miyashita,R Yamaguchi,A Yoshikoshi - 《Journal of Organic Chemistry》 被引量: 62发表: 1984年 Michael reaction of conjugated nitro ...
An extremely easy process for producing reaction products between a carboxylic acid and an amino acid or amino acid condensate without using substances harmful to the human bodies, and reaction products between a carboxylic acid and an amino acid or amino acid condensate produced by this process. ...
1. Claims for the contracting States : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE Antiviral and antitumoral drug, characterized by the fact that it contains as active substance at least one of the products of the reaction of a carboxylic acid of the groups comprising butyric, propionic...
acid and sodium nitrite in ice water bath,followed by hydrolysis with 10% NaOH.the yield of target product was 97.1%.The structure of the product was confirmed by MS,1H NMR and 13C NMR.[Conclusions] The method has the advantage of low cost,safe operation and suitable for industrial ...
The phenazine derivative 2-hydroxyphenazine (2-OH-PHZ) plays an important role in the biocontrol of plant diseases, and exhibits stronger bacteriostatic and fungistatic activity than phenazine-1-carboxylic acid (PCA) toward some pathogens. PhzO has been shown to be responsible for the conversion ...
羧酸（Carboxylicacids）新编有机化学 235 5.2羧酸 5.2.1 羧酸的结构特征 含有羧基（-CO 2H ）官能团的化合物称为羧酸。羧基组成中含一个羰基和一个羟基，但它的性质与只含有羰基的醛酮有较大差异。这是由于羧酸中羰基（C=O ）п轨道与羟基（OH ）氧上的p 轨道发生p-π共轭，从而消弱了C=O 双键，增强...
The mechanism of action in chemical synthesis is dependent on the specific reaction being carried out and the desired product. Storage Conditions: Store in a cool and dry place. View all 4. Safety and Handling4.1 Specification The 3-Morpholinecarboxylic acid with the cas number 77873-76-8 ...