Mn-grafted imine-functionalized mesoporous SBA-15 as an efficient catalyst for Knoevenagel condensation under mild conditions

被引:12
作者
Mahmoudi, Hesamaldin [1 ]
Malakooti, Reihaneh [1 ]
机构
[1] Univ Birjand, Dept Chem, Nanochem Res Lab, Birjand, Iran
关键词
Mn-Schiff-base; SBA-15; Heterogeneous catalyst; Knoevenagel condensation; GREEN PROCEDURE; ELECTROPHILIC ALKENES; ROOM-TEMPERATURE; SILICA SBA-15; COMPLEXES; SALEN; EPOXIDATION; PHOSPHATE; ALDEHYDES; CU(II);
D O I
10.1007/s11144-014-0722-2
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Surface functionalization of SBA-15 followed by its reaction with manganese acetate has been carried out to develop a new Mn-grafted functionalized mesoporous material and it was characterized by powder X-ray diffraction (XRD), BET nitrogen adsorption-desorption, IR spectroscopy, transmission electron microscopy and diffuse reflectance UV-Vis spectroscopy. The XRD and TEM analyses showed that textural properties of SBA-15 were retained during the grafting procedure and after five-time recycling. The resulting material was successfully applied as a heterogeneous catalyst for Knoevenagel condensation in good to excellent yields under mild conditions.
引用
收藏
页码:241 / 255
页数:15
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