期刊
JOURNAL OF CATALYSIS
卷 344, 期 -, 页码 100-107出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2016.08.019
关键词
Supported BIAN-NHC ruthenium complex; Ring closing metathesis; Ring opening metathesis polymerization; Catalysis; Acenaphthenequinone
资金
- Qatar National Research Fund [NPRP X-095-1-024]
Ruthenium catalyzed ring closing metathesis (RCM) and ring opening metathesis polymerization (ROMP) reactions using a supported bis(arylimino)acenaphthene N-heterocyclic carbene (BIAN-NHC) complex have been reported. The BIAN-NHC Ru-complex exhibits excellent catalytic activity and tolerates a wide range of substrates at low catalyst loadings. DFT calculations were also carried out on some selected key intermediates in the reaction mechanism to study the effect of having the conjugated aromatic moiety (BIAN-NHC) in the backbone of the complex. The newly synthesized BIAN-NHC Ru-complex shows comparable catalytic activities to the commercially available second generation Ru catalyst HG2. The recycled complex was reused for up to eight reaction cycles for the RCM of N,N-diallyl tosylamine affording a high average isolated yield, with lower levels of Ru contamination in the final product. [GRAPHICS] . (C) 2016 Elsevier Inc. All rights reserved.
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