Single Site Silica Supported Tetramethyl Niobium by the SOMC Strategy: Synthesis, Characterization and Structure-Activity Relationship in Ethylene Oligomerization Reaction

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Type
Article
Authors
Hamieh, Ali Imad Ali cc
Dey, Raju cc
Nekoueishahraki, Bijan
Samantaray, Manoja
Chen, Yin
Abou-Hamad, Edy cc
Basset, Jean-Marie cc
KAUST Department
Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC)
Chemical Science Program
KAUST Catalysis Center (KCC)
KAUST Solar Center (KSC)
Physical Science and Engineering (PSE) Division
Date
2017
Permanent link to this record
http://hdl.handle.net/10754/624913

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Abstract
Silica supported Tetramethyl niobium complex [(≡SiO)NbMe4] 2 has been isolated by surface alkylation of [(≡SiO-)NbCl3Me] 1 with dimethyl zinc in pentane. 1 can be easily synthesized by grafting of NbCl3Me2 on to the surface of partially dehydroxylated silica by the SOMC strategy. Precise structural analysis was carried out by the FTIR, advance solid state NMR, elemental analysis and mass balance techniques (gas quantification after treating 2 with degassed water) . Complex 1 was found to be active in the ethylene oligomerization to produce up to C30, whereas to our surprise complex 2 selectively dimerizes ethylene into 1-butene in the absence of a co-catalyst at the same conversion levels.
Citation
Hamieh A, Dey R, Nekoueishahraki B, samantaray manoja, Chen Y, et al. (2017) Single Site Silica Supported Tetramethyl Niobium by the SOMC Strategy: Synthesis, Characterization and Structure-Activity Relationship in Ethylene Oligomerization Reaction. Chem Commun. Available: http://dx.doi.org/10.1039/c7cc02585h.
Sponsors
This work was supported by funds from King Abdullah University of Science and Technology (KAUST) office of sponsored research (OSR).
Publisher
Royal Society of Chemistry (RSC)
Journal
Chemical Communications
DOI
10.1039/c7cc02585h
PubMed ID
28621361
Additional Links
http://pubs.rsc.org/en/Content/ArticleLanding/2017/CC/C7CC02585H#!divAbstract
Collections
Articles; Ali I. Al-Naimi Petroleum Engineering Research Center (ANPERC); Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC)