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Synthesis of Branched α-Olefins via Trimerization and Tetramerization of Ethylene

Title data

Lukas, Fabian ; Simon, Paula A. ; Dietel, Thomas ; Kretschmer, Winfried ; Kempe, Rhett:
Synthesis of Branched α-Olefins via Trimerization and Tetramerization of Ethylene.
In: Advanced Science. (August 2024) . - 2405653.
ISSN 2198-3844
DOI: https://doi.org/10.1002/advs.202405653

Abstract in another language

α-Olefins are very important bulk and fine chemicals and their synthesis from ethylene, an abundantly available and inexpensive feedstock, is highly attractive. Unfortunately, the direct or on-purpose synthesis of olefins from ethylene is limited to three examples, 1-butene, 1-hexene, and 1-octene, all having a linear structure. Herein, the direct synthesis of 3-methylenepentane and 4-ethylhex-1-ene, branched trimerization, and tetramerization products of ethylene, respectively, is reported. Different molecular titanium catalysts, all highly active, with a selectivity toward the formation of the branched ethylene trimer or tetramer, the employment of different activators, and different reaction conditions are the key to selective product formation. The long-time stability of selected catalysts employed permits upscaling as demonstrated for the synthesis of 4-ethylhex-1-ene (52 g isolated, TON(ethylene) 10.7 · 106).

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry II > Chair Inorganic Chemistry II - Univ.-Prof. Dr. Rhett Kempe
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 14 Aug 2024 05:35
Last Modified: 14 Aug 2024 06:35
URI: https://eref.uni-bayreuth.de/id/eprint/90190