南京工业大学学报（自然科学版）2025，Vol.47Issue(5)：507-515,542,10.DOI:10.3969/j.issn.1671-7627.2025.05.004
γ-环糊精基金属有机骨架衍生的多孔碳负载纳米K2CO3催化迈克尔加成反应
Catalytic application of nano-sized K2CO3 supported on porous carbon derived from γ-cyclodextrin-based metal-organic frameworks for the Michael addition reaction
摘要
Abstract
This study investigated the catalytic performance and mechanism of γ-cyclodextrin-based metal-organic framework(CDMOF)in the Michael addition reaction between ethyl acrylate and ethanol.A high-temperature pyrolysis carbonization method(300-800 ℃)was employed to induce the in-situ chemical activation between the in-situ generated K2CO3 nanoparticles and partially carbonized γ-cyclodextrin components,thereby successfully preparing hierarchical porous carbon materials with graded pore structures.The structural characteristics of the resulting materials were characterized.The results indicated that the porous carbon material obtained at 800 ℃(CDMOF-800)exhibited well-developed hierarchical porosity,with a specific surface area of 729.46 m2/g and a total pore volume of 0.36 cm3/g,which confirmed the directional pore-structuring effect of the K2CO3 nanoparticles.CDMOF-800 contained a large number of micropores with diameters below 1 nm,and showed a CO2 adsorption capacity of 194.5 mg/g under conditions of 10 kPa and 298 K.When CDMOF-800 was used as a catalyst,under the reaction conditions of a temperature of 75℃ and a reaction time of 9 h,the conversion rate of ethyl acrylate reached 93.9％.The selectivity of the target product,ethyl 3-ethoxypropionate,was 99.1％,with a corresponding yield of 92.9％.This study provides a novel approach for the efficient synthesis of functional porous carbon materials and the development of solid base catalysts.关键词
γ-环糊精基金属有机骨架(CDMOF)/迈克尔加成反应/热解/原位化学活化/多级孔碳材料/固体碱催化剂Key words
CDMOF(γ-cyclodextrin-based metal-organic framework)/Michael addition reaction/pyrolysis/in-situ chemical activation/hierarchically porous carbon material/solid base catalyst分类
化学化工引用本文复制引用
王子成,张竹修,崔咪芬,乔旭..γ-环糊精基金属有机骨架衍生的多孔碳负载纳米K2CO3催化迈克尔加成反应[J].南京工业大学学报（自然科学版）,2025,47(5):507-515,542,10.基金项目
国家重点研发计划(2023YFC3905401、2021YFE0191100) （2023YFC3905401、2021YFE0191100）
江苏省省级重点研发计划(BE2021710) （BE2021710）
