Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone
催化、动力学与反应工程|Updated:2026-01-06
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Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone
Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone
中国化学工程学报(英文版)2015年23卷第2期 页码:384-388
Affiliations:
College of Chemistry and Chemical Engineering of Qiqihar University,Qiqihar,China,161000
Qigang Deng, Zhile Qin, Ying Yang, 等. Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone[J]. 中国化学工程学报(英文版), 2015,23(2):384-388.
Qigang Deng, Zhile Qin, Ying Yang, Weiming Song. Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone[J]. , 2015, 23(2): 384-388.
Qigang Deng, Zhile Qin, Ying Yang, 等. Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone[J]. 中国化学工程学报(英文版), 2015,23(2):384-388.DOI: 10.1016/j.cjche.2013.12.001.
Qigang Deng, Zhile Qin, Ying Yang, Weiming Song. Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone[J]. , 2015, 23(2): 384-388.DOI: 10.1016/j.cjche.2013.12.001.
Synthesis, characterization of triphenyltin grafted on SBA-15 mesoporous silica and its catalytic performance for the synthesis of 4-methylacetophenone
SnSBA) was achieved by heating triphenyltin chloride and SBA-15 in N-methylpyrrolidone at 190℃ for 5 h using triethylamine as a catalyst. The composition
structure
and surface physical and chemical properties of Ph
3
SnSBA were characterized using inductively coupled plasma-atomic emission spectroscopy (ICP-AES)
13
C
119
Sn and
29
Si solid-state nuclear magnetic resonance (NMR) spectroscopy in situ pyridine infrared spectroscopy (Py-IR)
N
2
adsorption-desorption isotherms
X-ray diffraction (XRD) and transmission electron microscopy (TEM). The results of ICP-AES and organic elemental analysis showed that the grafting yield of Sn was 17% (by mass) for Ph
3
SnSBA. The elemental analysis and solid-state NMR results for Ph
3
SnSBA were consistent with grafting of triphenyltin on SBA-15. The N
2
adsorption-desorption
XRD and TEM analyses showed that Ph
3
SnSBA retained an ordered hexagonal mesoporous structure
resulting in decreases in the surface area
pore size and mesopore volume
and an increase in acidity as compared with SBA-15. The
Hammett acidity function (
H
0
) value and the number of acid sites for Ph
3
SnSBA
obtained by the Hammett methods
were 2.77-3.30 and 2.07 mmol·g
-1
respectively. The Friedel-Crafts acylation of toluene and acetic anhydride over Ph
3
SnSBA was investigated. The yield of methylacetophenone (MAP) and the selectivity for 4-methylacetophenone (PMAP) were 79.56% and 97.12%
respectively
when the conditions were
n
(toluene):
n
(anhydride)=2.0:1.0 with 6% (by mass) catalyst
and heating under reflux for 5 h. The PMAP selectivity still reached 93.11% when Ph
3
SnSBA was used for the fifth time under the same reaction conditions.
关键词
Keywords
references
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Characterization and Catalytic Properties of Al-MCM-41 Mesoporous Materials Grafted with Tributyltin Chloride*
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Preparation of novel hierarchical porous Fe2O3/SBA-15 with microporous plugs from coal gasification fine residue and its degradation of phenol in coal chemical wastewater
Synthesis of methyl diphenylmethane dicarbamate by methyl phenylcarbamate condensation catalyzed by NKC-9: Non-phosgene preparation of key precursors for diphenylmethane diisocyanate
CaO-stabilized tetragonal ZrO2 support for high-performance Ni—Fe alloy catalysts in dry reforming of methane
相关作者
宋伟明
刘星
荆涛
邓启刚
Wen Wei
Meng Xiangyu
Liu Min
Du Xiaoqiang
相关机构
College of Chemistry and Chemical Engineering, Qiqihar University
Department of Chemistry, Xinzhou Normal University
Henan Provincial Key Laboratory of Nanocomposites and Applications, Institute of Nanostructured Functional Materials, Huanghe Science and Technology College
School of Chemistry and Chemical Engineering, North University of China
School of Environment and Safety Engineering, North University of China