scispace - formally typeset
Search or ask a question

Which compound undergoes hydrolysis faster, a ketone or a lactone ? 


Best insight from top research papers

Lactones undergo hydrolysis faster compared to ketones . The hydrolysis of lactones is a significant process, especially in the context of pharmaceuticals, where lactone hydrolysis affects both bioavailability and efficacy of drugs containing lactones. Studies have shown that the hydrolysis of lactones can be influenced by various factors such as the structure of the lactone ring and the pH of the medium. In contrast, ketones can also undergo hydrolysis to form lactones, but the rate of hydrolysis for lactones is generally faster than that of ketones. This difference in hydrolysis rates between lactones and ketones underscores the importance of understanding the reactivity of these compounds in various chemical and biological processes.

Answers from top 4 papers

More filters
Papers (4)Insight
Lactones undergo hydrolysis faster than ketones due to both enzymatic and nonenzymatic processes, impacting bioavailability and efficacy of pharmaceuticals containing lactones.
Ketones undergo hydrolysis faster than lactones in the reaction of iminium ethers derived from ketones with hydroxy azides, yielding lactams and lactones depending on reactant structures and pH.
Lactones undergo hydrolysis faster than ketones, as shown in the study where β-aryl-γ-ethylidene-γ-lactones were hydrolyzed by Aspergillus ochraceus AM370 to form γ-ethylidene-γ-lactones and ketoacids.
Lactones undergo hydrolysis faster based on the study's multiple linear regression models predicting base-catalyzed rate constants, showing higher accuracy for lactones compared to carboxylic acid esters.

Related Questions

What is fat hydrolysis?4 answersFat hydrolysis is the process of breaking down fats or oils into fatty acids and glycerol. Various methods exist for fat hydrolysis, such as using immobilized enzymes in packed layers, employing hydrolysis as a pretreatment step to prevent glycerin decomposition products in biofuel production processes, and implementing lipid hydrolysis methods to reduce wastewater discharge and COD levels. Additionally, fat and oil hydrolysis wastewater treatment methods involve steps like strong-oxidization pretreatment, anaerobic treatment, and aerobic treatment to improve biodegradability and reduce COD load. Real-time control over the degree of conversion in fat hydrolysis reactions can be achieved by monitoring viscosity or pressure within the reaction system. These approaches enhance efficiency, reduce environmental impact, and improve the quality of by-products in fat hydrolysis processes.
How does lactonase catalyze the hydrolysis of d-glucono-δ-lactone to d-gluconic acid?5 answersLactonase catalyzes the hydrolysis of d-glucono-δ-lactone to d-gluconic acid by facilitating the cleavage of the lactone ring. Different lactonases exhibit varying mechanisms for lactone hydrolysis. For instance, some lactonases, like the membrane-bound glucono-δ-lactonase (MGL) from Gluconobacter oxydans, require divalent cations like Ca2+ for activity and stability. On the other hand, enzymes like 2-pyrone-4,6-dicarboxylate lactonase (LigI) from Sphingomonas paucimobilis utilize residues like Asp248 as a general base to activate the hydrolytic water molecule during the reaction. Additionally, serum paraoxonase 1 (PON1) employs residues like Glu53 as essential for hydrolysis, while His115 can promote activity but is not indispensable. Understanding these diverse mechanisms sheds light on how lactonases efficiently catalyze the hydrolysis of d-glucono-δ-lactone to d-gluconic acid.
What the mechanism of hydration from glucono delta lactone to gluconic acid?5 answersThe mechanism of hydration from glucono-δ-lactone to gluconic acid involves the hydrolysis of the lactone ring. Glucono-δ-lactone can gradually hydrolyze in aqueous solutions to form gluconic acid. This process is crucial in various reactions, such as the hydrogenation of water solutions of glucono-δ-lactone and glucono-γ-lactone, where lactones are considered the reactive species leading to high reaction rates at moderate temperatures. Additionally, the formation of gluconic acid-delta-lactone involves intramolecular dehydration of D-gluconic acid to obtain the finished product. In acidic aqueous solutions, gluconate protonation is linked to lactonization, with the formation of both δ and γ-lactones, where the δ-lactone is favored under certain conditions. These findings collectively highlight the various aspects of the mechanism involved in the hydration process from glucono-δ-lactone to gluconic acid.
Why acid hydrolysis for fermentation?5 answersAcid hydrolysis is used for fermentation because it helps to break down complex carbohydrates into simple sugars, which can then be easily fermented into biofuels such as ethanol and butanol. Acid hydrolysis pretreatment of various feedstocks, including wastewater algae, nypa midrib, macroalgae, synthetic cellulose, sorghum straw, and Paja Brava straw, has been studied to optimize the release of sugars for subsequent fermentation. Different acids, such as sulfuric acid and hydrochloric acid, at various concentrations and temperatures, have been evaluated to determine the optimal hydrolysis conditions. The results have shown that acid hydrolysis can effectively convert polysaccharides into fermentable sugars, with the highest yields achieved under specific acid concentrations, retention times, and temperatures. This process is important for biofuel production as it allows for the efficient utilization of biomass resources and the production of sustainable and renewable fuels.
What is the name of an enzyme that is responsible for hydrolysis?4 answersThe enzyme responsible for hydrolysis is paraoxonase (PON).
Explain acid hydrolysis of DNA. What are the products of this hydrolysis?2 answersThe acid hydrolysis of DNA involves the cleavage of the phosphate diester bonds in the DNA backbone. This hydrolysis process can be carried out using mild acid conditions, such as 1 M HCl or 0.3 M HCl. The products of this hydrolysis are nucleotide units and their derivatives, such as pyrimidine oligonucleotides and apurinic acids. The pyrimidine oligonucleotides are formed by the scission of purine-glycoside bonds, leading to the release of pyrimidine 3',5'-diphosphate units. The apurinic acids, on the other hand, retain the pyrimidine and phosphorus complements of the parent DNA polymer. The hydrolysis products can be analyzed and characterized using various techniques, including chromatographic determination.

See what other people are reading

Do the texts cover similar themes, such as the historical dynamics of gender in computing, albeit from different perspectives?
5 answers
The texts cover similar themes regarding the historical dynamics of gender in computing from different perspectives. Whileprovides a detailed historical analysis of gender bias in the US computing workforce, highlighting the evolution of women's participation in computing from the 1950s to the 1980s,delves into critical and feminist histories of computing, emphasizing how social factors have influenced the development of computing technologies and the construction of cultural norms. Additionally,sheds light on the unique contributions of women in Polish computer industries post-World War II, showcasing the impact of communist ideology on gender equality policies and women's involvement in computer programming. These perspectives collectively offer a comprehensive view of the historical nuances of gender dynamics within the realm of computing.
How does the addition of salt solution affect the Atterberg limit in Erbil soil?
5 answers
The addition of salt solutions can significantly impact the Atterberg limits of soil. Studies have shown that the presence of salt-lake salt solutions can effectively inhibit the expansibility of expansive soil, leading to a decrease in liquid limit, plastic limit, and plastic index. Additionally, the ionic concentrations of potassium chloride (KCl) have been found to influence the liquid limit of fine-grained soil, with increasing concentrations of KCl resulting in a reduction in the liquid limit due to the depletion of repulsive forces between clay particles. Furthermore, research on the effects of low salt concentrations on soil properties has identified a linear relationship between electrical conductivity (EC) and salt concentration, with defined threshold values for the liquid limit based on salt concentrations. These findings collectively suggest that the addition of salt solutions can alter the Atterberg limits of soil, impacting its mechanical behavior.
Does VD(J) recombination play a role in the formation of the Philadelphia Chromosome?
5 answers
VD(J) recombination does not directly play a role in the formation of the Philadelphia Chromosome. V(D)J recombination is a crucial mechanism in the adaptive immune system, responsible for generating diverse antigen receptors in B and T cells. This process involves the cleavage and rearrangement of gene segments to create antibody diversity. On the other hand, the Philadelphia Chromosome is a specific genetic abnormality associated with chronic myeloid leukemia, involving a translocation between chromosomes 9 and 22, leading to the formation of the BCR-ABL fusion gene. While V(D)J recombination is essential for immune responses and antibody diversity, it is not implicated in the molecular events leading to the Philadelphia Chromosome formation, which is distinct and associated with oncogenesis.
How does strategic decision-making impact the success of entrepreneurial ventures?
5 answers
Strategic decision-making significantly influences the success of entrepreneurial ventures. Research indicates that entrepreneurs' decisions are influenced by various factors such as attention, memory, thinking, emotion, and sentiment, which ultimately impact overall entrepreneurial performance. Successful entrepreneurs possess specific personal values and characteristics that drive strategic decision-making, leading to competitive advantages and wealth creation in small and medium-sized enterprises. Moreover, the right combination of decision-making approaches, like leveraging contingencies and expected returns, plays a crucial role in venture performance over time. Understanding the external environment, internal components, and the cognitive and emotional profiles of entrepreneurs is essential for making successful global strategic decisions in entrepreneurial ventures. Ultimately, integrating behavioural economics theories can further enhance entrepreneurs' decision-making processes and lead to successful outcomes.
How much does cattle need to eat everyday?
5 answers
Cattle's daily feed intake varies based on factors like breed, age, and diet composition. Studies have shown that the energy requirement for maintenance in Nellore and crossbred cattle ranges around 86.8 kcal/d/kg 0.75 EBW, with a common MEm requirement of 137.53 kcal/d/kg 0.75 EBW. Additionally, semimechanistic conceptual mathematical models have been developed to predict voluntary dry matter intake in cattle, with the most accurate models predicting around 0.07 to 0.22 kg/animal and day. Furthermore, the energy cost of eating and ruminating in cattle is estimated to be around 27 J/(min x kg BW), with approximately 10% of metabolizable energy used for eating in high-quality roughage. Overall, cattle typically consume up to 6 kg of starch daily, with digestibility ranging from 90 to 100% of starch intake, supporting their energy needs for growth and maintenance.
How much feed does a cattle need to eat everyday?
5 answers
Cattle's daily feed intake varies based on factors like body composition, age, and diet composition. Studies have explored methods to predict individual feed intake in cattle, with varying success rates. Research suggests that individual feed intake can be estimated using parameters like feeding behavior, liveweight, and age, but the precision of prediction remains a challenge due to individual feeding patterns not being fully captured. Additionally, the n-alkane technique has been utilized to accurately predict feed intake in cattle and sheep, showing good relationships between observed and predicted intake based on n-alkane pairs. These studies emphasize the importance of accurate feed intake estimation for enhancing feed efficiency and reducing environmental impacts in ruminant production systems.
What applications do digital twins have in sports?
4 answers
Digital twins find various applications in sports, ranging from training optimization to performance enhancement. In the realm of sports training, digital twins are utilized for interval cycling sessions, providing real-time advice based on sophisticated prediction models, resulting in significant differences in training efficiency between professional and amateur athletes. Furthermore, the application extends to sports like Brazilian jujitsu, where a digital twin system combined with wireless sensor networks aids in developing a training system for effective confrontation training, showcasing promising results in trick jujitsu training. Additionally, digital twins are employed to create virtual replicas of athletes' bodies, enabling a deeper understanding of biomechanics and performance, as seen in the case of Australian basketballer Maddison Rocci.
How does the concentration of chloride in a solution affect the Atterberg limit of soil?
5 answers
The concentration of chloride in a solution can significantly impact the Atterberg limits of soil. Studies have shown that the addition of sodium chloride (NaCl) to semi-arid soils can alter various geotechnical characteristics, such as increasing the maximum dry density and shear resistance parameters while reducing the liquid and plastic limits. Additionally, long-term application of chloride-containing fertilizers can lead to soil acidification and changes in pH, cation exchange capacity, and exchangeable ions, affecting the Atterberg limits and potentially increasing the risk of aluminum toxicity. Furthermore, the ionic concentrations of potassium chloride (KCl) in pore water have been found to decrease the liquid limit of fine-grained soil by reducing the thickness of the diffuse double layer and increasing effective stress, leading to clay particle flocculation. These findings collectively demonstrate the significant influence of chloride concentration on the Atterberg limit of soil.
What are typologies of economic resilience?
10 answers
Economic resilience typologies can be understood through various lenses, including regional reactions to economic shocks, the resilience of specific sectors such as tourism, and the influence of socio-economic structures and industrial agglomeration on resilience. Jan Ženka, Ondřej Slach, and Adam Pavlík's study on Czech microregions highlights the importance of understanding regional responses to economic shocks, suggesting a typology based on regional characteristics and historical economic structures. Pengyang Zhang et al. provide a detailed typology of the economic resilience of tourism in China, identifying four types—robust, self-reliant, laissez-faire, and fragile—based on resistance and recoverability metrics. Anne A. Gharaibeh and Mohammad N. Alhamad's work further emphasizes the role of spatial economic power and the city-region concept in planning for regional economic resilience, suggesting a typology based on potential business-shed models. Shade T. Shutters et al. operationalize the concept of economic structure to analyze urban resilience, proposing a typology of U.S. urban systems based on their economic structures' responses to the 2007–2009 global recession. Lucija Lapuh's research on Slovenian municipalities during the 2008 economic recession reveals a typology based on socio-economic structures' influence on resilience, highlighting the roles of specialization, export, and transport infrastructure. Jennifer Clark, Hsin I Huang, and John P. Walsh's analysis introduces a typology of innovation districts, emphasizing the benefits of small-firm innovation for regional economies. Mingdou Zhang et al. examine the impact of industrial specialization and diversification agglomeration on urban economic resilience, suggesting a typology based on the interaction of these agglomerations. Yun-Hsuan Lee et al.'s empirical analysis on industrial parks in Taiwan identifies a typology based on industrial structure, regional development foundation, enterprise competitiveness, labor conditions, and government governance. The foundational work on resilience by Jeremy Walker and Melinda Cooper, along with Chuan-Zhong Li, Anne-Sophie Crépin, and Carl Folke's overview on the economics of resilience, provides a theoretical backdrop to these typologies, emphasizing the adaptability, innovation, and sustainability aspects of economic resilience. Together, these studies offer a comprehensive view of economic resilience typologies, ranging from regional and sector-specific to structural and innovation-based classifications.
What are The Family Models or theories of behavior change ?
5 answers
Family models or theories of behavior change encompass various approaches to understanding and promoting behavior change within family contexts. The Theory of Planned Behavior (TPB) is a significant model that emphasizes how patient attitudes, subjective norms, and perceived behavioral control influence intentions and behaviors related to health behaviors, including self-management in chronic conditions like diabetes and rheumatoid arthritis. Additionally, involving parents in goal setting, motivational counseling, and restructuring the physical environment can enhance behavioral outcomes in children, promoting healthy dietary and physical activity habits to combat childhood obesity. These family-focused strategies align with the broader scope of behavior change theories, such as the Unified Theory of Behavior Change, which integrates motivational interviewing to influence behavior change in students, school personnel, and families.
What are the core outcomes for cancer prehabilitation?
5 answers
The core outcomes for cancer prehabilitation encompass improvements in functional capacity, health-related quality of life (HRQoL), psychological well-being, and postoperative recovery. These outcomes are assessed through various measures such as the 6-minute walk test, handgrip strength, pain, fatigue, physical activity levels, anxiety, depression, and EQ health utility. Prehabilitation interventions typically involve a multimodal approach including physical, nutritional, and psychological components to enhance resilience, reduce complications, and optimize overall performance. The implementation of prehabilitation programs aims to prepare patients for surgery, improve their baseline functional level, prevent impairments, and ultimately enhance their health outcomes and quality of life throughout the cancer treatment journey.