Applied Organometallic Chemistry最新文献_第3页

Preparation of Potassium Copper (II) Ferrocyanide Anchoring Hydrogel Composites for Rubidium Recovery 氰化亚铁铜钾锚定水凝胶复合材料的制备及其对铷回收的影响

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-11 DOI: 10.1002/aoc.70555

Peihua Lin, Guan-Ping Jin, Bo-Lin Liu, Shi-Kui Han, Huai-Tao Jiang, Da-Huan Liu

{"title":"Preparation of Potassium Copper (II) Ferrocyanide Anchoring Hydrogel Composites for Rubidium Recovery","authors":"Peihua Lin, Guan-Ping Jin, Bo-Lin Liu, Shi-Kui Han, Huai-Tao Jiang, Da-Huan Liu","doi":"10.1002/aoc.70555","DOIUrl":"https://doi.org/10.1002/aoc.70555","url":null,"abstract":"<div>\u0000 \u0000 Potassium copper ferrocyanide (KCuFC) is considered promising for rubidium resource recovery with high adsorption capacity and excellent selectivity. However, its microcrystalline powder structure restricts the recycling. In this work, a useful ternary hydrogel was prepared using graphene/polyvinyl alcohol/chitosan/tetracarboxylic acid (RPCT) by via hydrogen bond reaction. In which graphene makes the improved stability, tetracarboxylic acid offers many chelating sites for Cu2+. Further, potassium copper (II) ferrocyanide anchoring hydrogel composites (RPCT-KCuFC) could be formed in situ in 40 mmol L−1 K4Fe(CN)6 by coprecipitation. Various FE-SEM, EDS, XRD, IR, and other technologies proved the structure, composition, and physical properties. The recovery of Rb+ was investigated using RPCT-KCuFC from solution in detail. The adsorption process fits pseudo-second-order model with three-stage intraparticle diffusion process, and the Langmuir isotherm model could explain the adsorption behavior. The adsorption capacity is about 262.48 mg g−1 (45°C, 4 h, pH 7, [Rb+]initial = 10 mg L−1). Over 95% of Rb+ could be desorbed from the RPCT-KCuFC (Rb+) in 0.5 mol L−1 of HCl/NH4Cl with 4 h. Moreover, RPCT-KCuFC was applied to recover Rb+ from simulative brine. The present work provided effective immobilization strategies of KCuFC for separating Rb+.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing Palladium Catalytic Performance Through Modification of Chitosan Nanofiber With Aldehyde Functional Groups 醛基改性壳聚糖纳米纤维增强钯催化性能

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-11 DOI: 10.1002/aoc.70549

Linjun Shao, Zheng Yin, Ke Long, Faliang Gou, Guiying Xing, Peng Yang, Xianman Zhang

{"title":"Enhancing Palladium Catalytic Performance Through Modification of Chitosan Nanofiber With Aldehyde Functional Groups","authors":"Linjun Shao, Zheng Yin, Ke Long, Faliang Gou, Guiying Xing, Peng Yang, Xianman Zhang","doi":"10.1002/aoc.70549","DOIUrl":"https://doi.org/10.1002/aoc.70549","url":null,"abstract":"<div>\u0000 \u0000 Chitosan (CS) is a widely distributed and abundant biopolymer in nature. In this study, CS was blended with poly(methacrylic acid) (PMAA) to prepare stable chitosan composite nanofibers (CS/PMAA) via electrospinning, followed by annealing. The nanofibers were then functionalized through Schiff base reactions between CS amino groups and aldehydes and used to support palladium catalysts. Their catalytic performance was evaluated by the Heck reactions. Notably, the Pd2+ ions anchored on the CS/PMAA nanofibers exhibited higher activity than those on the 2-pyridylimino-functionalized chitosan nanofibers (2PyCS/PMAA). In contrast, the Pd0 species supported on the 2PyCS/PMAA nanofibers showed outstanding catalytic activity and remarkable reusability. HR-TEM was utilized to monitor the morphological changes and Pd0 nanoparticle contents on the CS/PMAA and 2PyCS/PMAA nanofibers during reuse. Chelating interactions between the nanofibers and Pd2+ ions were studied by FT-IR, adsorption distribution analysis, XRD, and HR-TEM. The strong nucleophilic affinity of Pd2+ ions for the CS nanofibers was further verified by PALS. In conclusion, this work presents an effective and straightforward approach for preparing highly active and stable supported palladium catalysts.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147565102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation of Potassium Copper (II) Ferrocyanide Anchoring Hydrogel Composites for Rubidium Recovery 氰化亚铁铜钾锚定水凝胶复合材料的制备及其对铷回收的影响

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-11 DOI: 10.1002/aoc.70555

Peihua Lin, Guan-Ping Jin, Bo-Lin Liu, Shi-Kui Han, Huai-Tao Jiang, Da-Huan Liu

{"title":"Preparation of Potassium Copper (II) Ferrocyanide Anchoring Hydrogel Composites for Rubidium Recovery","authors":"Peihua Lin, Guan-Ping Jin, Bo-Lin Liu, Shi-Kui Han, Huai-Tao Jiang, Da-Huan Liu","doi":"10.1002/aoc.70555","DOIUrl":"https://doi.org/10.1002/aoc.70555","url":null,"abstract":"<div>\u0000 \u0000 Potassium copper ferrocyanide (KCuFC) is considered promising for rubidium resource recovery with high adsorption capacity and excellent selectivity. However, its microcrystalline powder structure restricts the recycling. In this work, a useful ternary hydrogel was prepared using graphene/polyvinyl alcohol/chitosan/tetracarboxylic acid (RPCT) by via hydrogen bond reaction. In which graphene makes the improved stability, tetracarboxylic acid offers many chelating sites for Cu2+. Further, potassium copper (II) ferrocyanide anchoring hydrogel composites (RPCT-KCuFC) could be formed in situ in 40 mmol L−1 K4Fe(CN)6 by coprecipitation. Various FE-SEM, EDS, XRD, IR, and other technologies proved the structure, composition, and physical properties. The recovery of Rb+ was investigated using RPCT-KCuFC from solution in detail. The adsorption process fits pseudo-second-order model with three-stage intraparticle diffusion process, and the Langmuir isotherm model could explain the adsorption behavior. The adsorption capacity is about 262.48 mg g−1 (45°C, 4 h, pH 7, [Rb+]initial = 10 mg L−1). Over 95% of Rb+ could be desorbed from the RPCT-KCuFC (Rb+) in 0.5 mol L−1 of HCl/NH4Cl with 4 h. Moreover, RPCT-KCuFC was applied to recover Rb+ from simulative brine. The present work provided effective immobilization strategies of KCuFC for separating Rb+.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing Palladium Catalytic Performance Through Modification of Chitosan Nanofiber With Aldehyde Functional Groups 醛基改性壳聚糖纳米纤维增强钯催化性能

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-11 DOI: 10.1002/aoc.70549

Linjun Shao, Zheng Yin, Ke Long, Faliang Gou, Guiying Xing, Peng Yang, Xianman Zhang

{"title":"Enhancing Palladium Catalytic Performance Through Modification of Chitosan Nanofiber With Aldehyde Functional Groups","authors":"Linjun Shao, Zheng Yin, Ke Long, Faliang Gou, Guiying Xing, Peng Yang, Xianman Zhang","doi":"10.1002/aoc.70549","DOIUrl":"https://doi.org/10.1002/aoc.70549","url":null,"abstract":"<div>\u0000 \u0000 Chitosan (CS) is a widely distributed and abundant biopolymer in nature. In this study, CS was blended with poly(methacrylic acid) (PMAA) to prepare stable chitosan composite nanofibers (CS/PMAA) via electrospinning, followed by annealing. The nanofibers were then functionalized through Schiff base reactions between CS amino groups and aldehydes and used to support palladium catalysts. Their catalytic performance was evaluated by the Heck reactions. Notably, the Pd2+ ions anchored on the CS/PMAA nanofibers exhibited higher activity than those on the 2-pyridylimino-functionalized chitosan nanofibers (2PyCS/PMAA). In contrast, the Pd0 species supported on the 2PyCS/PMAA nanofibers showed outstanding catalytic activity and remarkable reusability. HR-TEM was utilized to monitor the morphological changes and Pd0 nanoparticle contents on the CS/PMAA and 2PyCS/PMAA nanofibers during reuse. Chelating interactions between the nanofibers and Pd2+ ions were studied by FT-IR, adsorption distribution analysis, XRD, and HR-TEM. The strong nucleophilic affinity of Pd2+ ions for the CS nanofibers was further verified by PALS. In conclusion, this work presents an effective and straightforward approach for preparing highly active and stable supported palladium catalysts.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Green Aqueous Synthesis of Defect-Engineered MOF-801 via Competitive Coordination for Water Adsorption Regulation 通过竞争配位调控水吸附的缺陷工程MOF-801绿色水合成

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-10 DOI: 10.1002/aoc.70552

Qiu Zhao, Xiong-Fei Cai, Chuan-Hui Chen, Shun-Bin Lu, Mao Fu, Ji Wang, Shi-Qiang Wang

{"title":"Green Aqueous Synthesis of Defect-Engineered MOF-801 via Competitive Coordination for Water Adsorption Regulation","authors":"Qiu Zhao, Xiong-Fei Cai, Chuan-Hui Chen, Shun-Bin Lu, Mao Fu, Ji Wang, Shi-Qiang Wang","doi":"10.1002/aoc.70552","DOIUrl":"https://doi.org/10.1002/aoc.70552","url":null,"abstract":"<div>\u0000 \u0000 Metal–organic frameworks (MOFs) are among the most promising sorbents for water adsorption-based applications. Defect engineering offers an effective route to regulate water adsorption behavior by tailoring the pore size and microenvironment of MOFs. However, precise control of defect structures under environmentally benign synthesis conditions remains an unsolved challenge. Here, we demonstrate a competitive coordination strategy that enables controlled tuning of defect concentrations in MOF-801 for water adsorption regulation. By employing formic acid as a monodentate competitive ligand under green aqueous conditions, we synthesized a series of defect-engineered MOF-801 variants with systematically tuned pore structures and hydrophilic sites. Comprehensive structural characterization confirmed that formic acid effectively competed with fumaric acid, generating well-controlled missing-linker defects that modulated pore volume and local chemical environments. Notably, the optimally defect-engineered sample (MOF-801@20-eq) exhibited an exceptional water uptake of 74.5 wt% at 95% relative humidity, representing a 104% increase compared to conventionally synthesized MOF-801 using N,N-dimethylformamide (DMF). This study highlights competitive coordination under aqueous conditions as a powerful and sustainable strategy for defect regulation and offers new insights into the rational design of high-performance sorbents for water adsorption applications.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Green Aqueous Synthesis of Defect-Engineered MOF-801 via Competitive Coordination for Water Adsorption Regulation 通过竞争配位调控水吸附的缺陷工程MOF-801绿色水合成

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-10 DOI: 10.1002/aoc.70552

Qiu Zhao, Xiong-Fei Cai, Chuan-Hui Chen, Shun-Bin Lu, Mao Fu, Ji Wang, Shi-Qiang Wang

{"title":"Green Aqueous Synthesis of Defect-Engineered MOF-801 via Competitive Coordination for Water Adsorption Regulation","authors":"Qiu Zhao, Xiong-Fei Cai, Chuan-Hui Chen, Shun-Bin Lu, Mao Fu, Ji Wang, Shi-Qiang Wang","doi":"10.1002/aoc.70552","DOIUrl":"https://doi.org/10.1002/aoc.70552","url":null,"abstract":"<div>\u0000 \u0000 Metal–organic frameworks (MOFs) are among the most promising sorbents for water adsorption-based applications. Defect engineering offers an effective route to regulate water adsorption behavior by tailoring the pore size and microenvironment of MOFs. However, precise control of defect structures under environmentally benign synthesis conditions remains an unsolved challenge. Here, we demonstrate a competitive coordination strategy that enables controlled tuning of defect concentrations in MOF-801 for water adsorption regulation. By employing formic acid as a monodentate competitive ligand under green aqueous conditions, we synthesized a series of defect-engineered MOF-801 variants with systematically tuned pore structures and hydrophilic sites. Comprehensive structural characterization confirmed that formic acid effectively competed with fumaric acid, generating well-controlled missing-linker defects that modulated pore volume and local chemical environments. Notably, the optimally defect-engineered sample (MOF-801@20-eq) exhibited an exceptional water uptake of 74.5 wt% at 95% relative humidity, representing a 104% increase compared to conventionally synthesized MOF-801 using N,N-dimethylformamide (DMF). This study highlights competitive coordination under aqueous conditions as a powerful and sustainable strategy for defect regulation and offers new insights into the rational design of high-performance sorbents for water adsorption applications.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Theoretical Investigations of Ni/(R,R)-Me-DuPhos-Catalyzed Enantioselective Hydroalkoxylation of 1,3-Dienes With Methanol Ni/(R，R)- me - duphos催化1,3-二烯与甲醇对映选择性氢烷氧基化的理论研究

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-06 DOI: 10.1002/aoc.70548

Chengkun Li, Fen Wang, Qingxi Meng

{"title":"Theoretical Investigations of Ni/(R,R)-Me-DuPhos-Catalyzed Enantioselective Hydroalkoxylation of 1,3-Dienes With Methanol","authors":"Chengkun Li, Fen Wang, Qingxi Meng","doi":"10.1002/aoc.70548","DOIUrl":"https://doi.org/10.1002/aoc.70548","url":null,"abstract":"<div>\u0000 \u0000 (R,R)-Me-DuPhos-nickel-promoted regioselective and enantioselective intermolecular hydroalkoxylation of linear phenyl diene with methanol was estimated by DFT computation at the ωB97XD/6-31G(d,p) level (SDD for Ni and Fe). Calculated results elucidated that this hydroalkoxylation occurred through the Ni0/NiII catalytic cycle, involving two important elementary steps: the oxidative additions of methanol and the C–O bond formation. The methanol O–H bond activation included three kinds of reaction channels, and the ligand-to-ligand H transfer reaction was the most dominant. Ni-catalyzed hydroalkoxylation showed complete branched regioselectivity and excellent enantioselectivity. The ligand-to-ligand H transfer reaction was the regioselectivity-limited step, dominantly controlled by both the distortion energy of MeOH and TS interaction energy. The C–O bond formation was the enantioselectivity-limited step, determined mainly by the distortion energy of the allyl group. Moreover, the role of MeOH, prediction of ligands, and comparison between the inner- and outer-sphere channel were also discussed in detail in this text.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147563693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Theoretical Investigations of Ni/(R,R)-Me-DuPhos-Catalyzed Enantioselective Hydroalkoxylation of 1,3-Dienes With Methanol Ni/(R，R)- me - duphos催化1,3-二烯与甲醇对映选择性氢烷氧基化的理论研究

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-06 DOI: 10.1002/aoc.70548

Chengkun Li, Fen Wang, Qingxi Meng

{"title":"Theoretical Investigations of Ni/(R,R)-Me-DuPhos-Catalyzed Enantioselective Hydroalkoxylation of 1,3-Dienes With Methanol","authors":"Chengkun Li, Fen Wang, Qingxi Meng","doi":"10.1002/aoc.70548","DOIUrl":"https://doi.org/10.1002/aoc.70548","url":null,"abstract":"<div>\u0000 \u0000 (R,R)-Me-DuPhos-nickel-promoted regioselective and enantioselective intermolecular hydroalkoxylation of linear phenyl diene with methanol was estimated by DFT computation at the ωB97XD/6-31G(d,p) level (SDD for Ni and Fe). Calculated results elucidated that this hydroalkoxylation occurred through the Ni0/NiII catalytic cycle, involving two important elementary steps: the oxidative additions of methanol and the C–O bond formation. The methanol O–H bond activation included three kinds of reaction channels, and the ligand-to-ligand H transfer reaction was the most dominant. Ni-catalyzed hydroalkoxylation showed complete branched regioselectivity and excellent enantioselectivity. The ligand-to-ligand H transfer reaction was the regioselectivity-limited step, dominantly controlled by both the distortion energy of MeOH and TS interaction energy. The C–O bond formation was the enantioselectivity-limited step, determined mainly by the distortion energy of the allyl group. Moreover, the role of MeOH, prediction of ligands, and comparison between the inner- and outer-sphere channel were also discussed in detail in this text.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147563666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carbon-Based Solid Acid for Efficient and Clean Production of Diosgenin From Biomass by Alcoholysis 生物质醇解高效清洁生产薯蓣皂苷元的碳基固体酸研究

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-06 DOI: 10.1002/aoc.70550

Yihan Wang, Mingxuan Fan, Lingqian Tang, Lu Feng, Hong Zhou

{"title":"Carbon-Based Solid Acid for Efficient and Clean Production of Diosgenin From Biomass by Alcoholysis","authors":"Yihan Wang, Mingxuan Fan, Lingqian Tang, Lu Feng, Hong Zhou","doi":"10.1002/aoc.70550","DOIUrl":"https://doi.org/10.1002/aoc.70550","url":null,"abstract":"<div>\u0000 \u0000 A new solid acid catalyst was prepared from the residue of the diosgenin production process by activation, carbonization, and sulfonation, and the carbonization product exhibited bigger surface area than most of the activated carbon from biomass. The carbon-based solid acid was used in the production of diosgenin from saponins in ginger by alcoholysis. The optimum conditions for both the synthesis of carbon-based solid acids and alcoholysis conditions were investigated. The optimum yield of diosgenin can be obtained, which was 17.89%, 45% higher than that of conventional sulfuric acid hydrolysis. The acid can be reused five times and showed better stability and less activity loss compared with other solid acids. The solid acid could be recycled at least five times and still maintain the original extraction rate. Finally, based on the analysis of the data obtained by liquid chromatography–mass spectrometer, we deduced the possible pathway and mechanism of the alcoholysis of diosgenin, which also showed another aspect of the successful extraction of diosgenin from saponins by solid acid through the synergistic effect of hydrolysis and alcoholysis.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147563691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carbon-Based Solid Acid for Efficient and Clean Production of Diosgenin From Biomass by Alcoholysis 生物质醇解高效清洁生产薯蓣皂苷元的碳基固体酸研究

IF 3.7 2区化学

Applied Organometallic Chemistry Pub Date : 2026-03-06 DOI: 10.1002/aoc.70550

Yihan Wang, Mingxuan Fan, Lingqian Tang, Lu Feng, Hong Zhou

{"title":"Carbon-Based Solid Acid for Efficient and Clean Production of Diosgenin From Biomass by Alcoholysis","authors":"Yihan Wang, Mingxuan Fan, Lingqian Tang, Lu Feng, Hong Zhou","doi":"10.1002/aoc.70550","DOIUrl":"https://doi.org/10.1002/aoc.70550","url":null,"abstract":"<div>\u0000 \u0000 A new solid acid catalyst was prepared from the residue of the diosgenin production process by activation, carbonization, and sulfonation, and the carbonization product exhibited bigger surface area than most of the activated carbon from biomass. The carbon-based solid acid was used in the production of diosgenin from saponins in ginger by alcoholysis. The optimum conditions for both the synthesis of carbon-based solid acids and alcoholysis conditions were investigated. The optimum yield of diosgenin can be obtained, which was 17.89%, 45% higher than that of conventional sulfuric acid hydrolysis. The acid can be reused five times and showed better stability and less activity loss compared with other solid acids. The solid acid could be recycled at least five times and still maintain the original extraction rate. Finally, based on the analysis of the data obtained by liquid chromatography–mass spectrometer, we deduced the possible pathway and mechanism of the alcoholysis of diosgenin, which also showed another aspect of the successful extraction of diosgenin from saponins by solid acid through the synergistic effect of hydrolysis and alcoholysis.\u0000 </div>","PeriodicalId":8344,"journal":{"name":"Applied Organometallic Chemistry","volume":"40 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147563665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0