scispace - formally typeset
Search or ask a question

What is the summary of Reactions of carboxylic acids? 


Best insight from top research papers

Reactions of carboxylic acids involve nucleophilic addition to the carbonyl group, followed by elimination of the leaving group. Acid-catalyzed protonation or complexation with a Lewis acid increases the electrophilic character of the carbonyl group. Esters and amides can also act as electrophiles, but when they have at least one hydrogen atom, they can generate nucleophiles through reaction with bases. Carboxylic acids can act as both C- and O-nucleophiles, and they can also be employed as electrophiles in asymmetric reactions under catalytic conditions. Carboxylic acids are stable surrogates for organohalides or organometallic reagents in transition metal-catalyzed cross-coupling reactions. They can undergo decarboxylation to form carbon-centered radicals, enabling novel C(sp3)-C bond disconnections. These reactions have significant implications for organic synthesis.

Answers from top 4 papers

More filters
Papers (4)Insight
The paper discusses the reaction of carboxylic acids in an electric field, where they undergo decarboxylation to form radicals that can dimerize to produce a product. The reaction may occur away from the electrodes or at the electrode surfaces.
The paper discusses the addition-elimination reactions of carboxylic acids and their derivatives, including esterification, hydrolysis, and generation of alcohols and ketones.
The paper discusses the use of carboxylic acids as building blocks in catalytic asymmetric reactions, but it does not provide a specific summary of the reactions of carboxylic acids.
The paper discusses the general reactivity patterns of carboxylic acids and their derivatives, including nucleophilic addition to the carbonyl group, elimination reactions, enolate formation, and acid-base reactions.

Related Questions

What fuel cells chemical reactions?5 answersFuel cells undergo electrochemical reactions to convert chemical energy into electrical energy. Different types of fuel cells involve various reactions. In solid oxide fuel cells (SOFCs), unique interface characteristics influence reactions like O2 reduction on cathodes. Low-temperature fuel cells, such as alkaline fuel cells and proton exchange membrane fuel cells, operate at slower kinetics due to lower temperatures, requiring detailed reaction mechanisms and catalyst design. The Butler–Volmer Equation governs anode and cathode reactions in fuel cells, with hydrogen oxidation at the anode producing protons and electrons. Competitive electrochemical mechanisms have been studied in SOFCs, showing improved performance with various fuels like hydrogen, carbon monoxide, methane, and others. These reactions play a crucial role in the efficiency and functionality of fuel cells across different technologies.
What are the outputs of reductive carboxylation?5 answersThe outputs of reductive carboxylation processes include the formation of various organic products such as dicarboxylic organic products like phthalic acid, naphthalenedicarboxylic acid, furan-2,5-dicarboxylic acid, and others. Additionally, reductive carboxylation reactions can lead to the selective formation of γ-keto carboxylic acids from aryl vinyl ketones in moderate to high yields. In the context of cancer cell metabolism, defective mitochondria in tumor cells utilize glutamine-dependent reductive carboxylation to generate citrate, acetyl-coenzyme A, and other CAC metabolites necessary for macromolecular synthesis, especially in cells with mutations in the electron transport chain or the citric acid cycle.
What are the most common carboxylic acids in cosmetics?4 answersThe most common carboxylic acids in cosmetics include alpha-hydroxyacids (AHAs), polyhydroxy acids (PHAs), aldobionic acids (ABAs), retinoic acid, vitamin C, and azelaic acid. Additionally, monocarboxylic acids such as acetic, propionic, butyric, caproic, heptanoic, and caprylic acid are used in cosmetic compositions to harden keratin matter. Hydroxyaromatic carboxylic acids (HACAs) like salicylic acids and hydroxynapthoic acids are also essential feedstocks for the cosmetic industry. Furthermore, alpha, OMEGA-alkanedicarboxylic acids are used in cosmetic deodorants. Pseudoceramides, a class of carboxylic acids, are used in cosmetic compositions for topical application to skin, hair, or nails.
What are the chemical reactions involved in the Maillard reaction?4 answersThe Maillard reaction involves a complex network of chemical reactions. It starts with the reactions between carbonyl groups of sugars and amino groups of amino acids/proteins, leading to the formation of intermediate compounds or poly-carbonyl compounds. These compounds then undergo various chemical reactions such as condensation, polymerization, degradation, and cyclization, resulting in the formation of color and aroma compounds. The Maillard reaction is a multi-step process that can produce a multitude of colored and flavored compounds. The reaction pathways and outcomes are influenced by factors such as pH, temperature, and the presence of metal ions. The Maillard reaction is responsible for the browning and flavor development in various foods and beverages, including processed foods, sparkling wines, and bread. Understanding the chemical reactions involved in the Maillard reaction is important for controlling the sensory properties and health consequences of processed foods.
What are the functions of carboxylic acids?3 answersCarboxylic acids have various functions in different fields. In medicine and crop protection, carboxylic acid derivatives are important components of many processes and molecules. They are present in approximately 25% of commercialized pharmaceuticals and agrochemicals. Carboxylic acids fulfill the criteria for optimal bioavailability in active ingredients due to their ability to act as hydrogen-bond donors and acceptors. In pharmacology, carboxylic acid compounds can be used in the treatment of diseases mediated by TLR7, such as various cancers and inflammatory conditions. In organic synthesis, carboxylic acids and their derivatives can serve as versatile building blocks without the need for additional activation steps. They can be used as synthetic equivalents of acyl, aryl, or alkyl halides, as well as organometallic reagents. Carboxylic acids also find applications in the production of copolymers, as catalysts, and in corrosion resistance and surface modification of metallic substrates.
What are the conditions for carboxylic acid racemization?4 answersCarboxylic acid racemization can be achieved under various conditions. One method involves using high pressure and temperature, along with water and alkali, to react with the alpha-chiral carboxylic acid. Another approach is to use whole resting cells of Lactobacillus spp. under mild physiological conditions, which ensures a clean isomerization without side reactions. Additionally, racemization can be carried out under mild conditions using a base, such as potassium hydroxide, and dimethyl sulfoxide as a co-solvent. Another method involves adding water to the optically active carboxylic acid in the presence of an inorganic base and heating the mixture at low temperatures. These different conditions provide options for racemizing carboxylic acids, allowing for flexibility in the process.