Abstract
In the present study, novel heterogeneous analogues of lanthanide triflates [trifluoromethanesulfonates; Ln(SO 3 CF 3 ) 3 or Ln(OTf) 3 ] were proposed as acidic catalysts for fine organic synthesis. A series of supported Ln 3+ and Ln 3+ SFP systems (SFP—sulfonated fluoropolymer; Ln = La, Pr, Eu, Tm, Yb) were synthesized and tested in the acylation of alcohols with acetic acid. The synthesized systems were found to be stable under the reaction conditions and showed the ability for catalytic recycling. It was shown that high texture characteristics of the SFP/CNF samples have also a great impact on the efficiency of the catalytic process. For example, Ln 3+ SFP/CNF systems exhibit significantly higher catalytic activity if compare with the unsupported samples (Ln 3+ SFP) or the sample without sulfated fluoropolymer (CNF-SO 3 − Ln 3+ ). It was found that Ln-composite contains blocks of SFP and thin SFP layer over the surface of CNF fibers. The lanthanide ions are evenly distributed within the polymer structure. Among the studied lanthanides, Yb-containing systems were found to be the most active one.
| Original language | English |
|---|---|
| Journal | Reaction Kinetics, Mechanisms and Catalysis |
| DOIs | |
| Publication status | Published - 1 Jan 2019 |
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Keywords
- Alcohol acylation
- Esterification
- Lanthanide grafting
- Lanthanide-containing catalysts
- Nafion
- Nafion composite
ASJC Scopus subject areas
- Catalysis
- Physical and Theoretical Chemistry
Cite this
Alcohol acylation by acetic acid over novel lanthanide-grafted catalytic systems. / Koskin, A. P.; Borodin, A. O.; Vedyagin, A. A.
In: Reaction Kinetics, Mechanisms and Catalysis, 01.01.2019.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Alcohol acylation by acetic acid over novel lanthanide-grafted catalytic systems
AU - Koskin, A. P.
AU - Borodin, A. O.
AU - Vedyagin, A. A.
PY - 2019/1/1
Y1 - 2019/1/1
N2 - In the present study, novel heterogeneous analogues of lanthanide triflates [trifluoromethanesulfonates; Ln(SO 3 CF 3 ) 3 or Ln(OTf) 3 ] were proposed as acidic catalysts for fine organic synthesis. A series of supported Ln 3+ and Ln 3+ SFP systems (SFP—sulfonated fluoropolymer; Ln = La, Pr, Eu, Tm, Yb) were synthesized and tested in the acylation of alcohols with acetic acid. The synthesized systems were found to be stable under the reaction conditions and showed the ability for catalytic recycling. It was shown that high texture characteristics of the SFP/CNF samples have also a great impact on the efficiency of the catalytic process. For example, Ln 3+ SFP/CNF systems exhibit significantly higher catalytic activity if compare with the unsupported samples (Ln 3+ SFP) or the sample without sulfated fluoropolymer (CNF-SO 3 − Ln 3+ ). It was found that Ln-composite contains blocks of SFP and thin SFP layer over the surface of CNF fibers. The lanthanide ions are evenly distributed within the polymer structure. Among the studied lanthanides, Yb-containing systems were found to be the most active one.
AB - In the present study, novel heterogeneous analogues of lanthanide triflates [trifluoromethanesulfonates; Ln(SO 3 CF 3 ) 3 or Ln(OTf) 3 ] were proposed as acidic catalysts for fine organic synthesis. A series of supported Ln 3+ and Ln 3+ SFP systems (SFP—sulfonated fluoropolymer; Ln = La, Pr, Eu, Tm, Yb) were synthesized and tested in the acylation of alcohols with acetic acid. The synthesized systems were found to be stable under the reaction conditions and showed the ability for catalytic recycling. It was shown that high texture characteristics of the SFP/CNF samples have also a great impact on the efficiency of the catalytic process. For example, Ln 3+ SFP/CNF systems exhibit significantly higher catalytic activity if compare with the unsupported samples (Ln 3+ SFP) or the sample without sulfated fluoropolymer (CNF-SO 3 − Ln 3+ ). It was found that Ln-composite contains blocks of SFP and thin SFP layer over the surface of CNF fibers. The lanthanide ions are evenly distributed within the polymer structure. Among the studied lanthanides, Yb-containing systems were found to be the most active one.
KW - Alcohol acylation
KW - Esterification
KW - Lanthanide grafting
KW - Lanthanide-containing catalysts
KW - Nafion
KW - Nafion composite
UR - http://www.scopus.com/inward/record.url?scp=85064720504&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85064720504&partnerID=8YFLogxK
U2 - 10.1007/s11144-019-01574-0
DO - 10.1007/s11144-019-01574-0
M3 - Article
JO - Reaction Kinetics, Mechanisms and Catalysis
JF - Reaction Kinetics, Mechanisms and Catalysis
SN - 1878-5190
ER -