Probing the Boundaries between Lewis-Basic and Redox Behavior of a Parent Borylene
Please always quote using this URN: urn:nbn:de:bvb:20-opus-257154
- The parent borylene (CAAC)(Me\(_{3}\)P)BH, 1 (CAAC=cyclic alkyl(amino)carbene), acts both as a Lewis base and one-electron reducing agent towards group 13 trichlorides (ECl\(_{3}\), E=B, Al, Ga, In), yielding the adducts 1-ECl\(_{3}\) and increasing proportions of the radical cation [1]\(^{•+}\) for the heavier group 13 analogues. With boron trihalides (BX\(_{3}\), X=F, Cl, Br, I) 1 undergoes sequential adduct formation and halide abstraction reactions to yield borylboronium cations and shows an increasing tendency towards redox processes forThe parent borylene (CAAC)(Me\(_{3}\)P)BH, 1 (CAAC=cyclic alkyl(amino)carbene), acts both as a Lewis base and one-electron reducing agent towards group 13 trichlorides (ECl\(_{3}\), E=B, Al, Ga, In), yielding the adducts 1-ECl\(_{3}\) and increasing proportions of the radical cation [1]\(^{•+}\) for the heavier group 13 analogues. With boron trihalides (BX\(_{3}\), X=F, Cl, Br, I) 1 undergoes sequential adduct formation and halide abstraction reactions to yield borylboronium cations and shows an increasing tendency towards redox processes for the heavier halides. Calculations confirm that 1 acts as a strong Lewis base towards EX3 and show a marked increase in the B−E bond dissociation energies down both group 13 and the halide group.…
Author: | Merle Arrowsmith, Sara Endres, Myron Heinz, Vincent Nestler, Max C. Holthausen, Holger BraunschweigORCiD |
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URN: | urn:nbn:de:bvb:20-opus-257154 |
Document Type: | Journal article |
Faculties: | Fakultät für Chemie und Pharmazie / Institut für Anorganische Chemie |
Language: | English |
Parent Title (English): | Chemistry—A European Journal |
Year of Completion: | 2021 |
Volume: | 27 |
Issue: | 70 |
Pagenumber: | 17660–17668 |
Source: | Chemistry—A European Journal 2021, 27(70):17660–17668. DOI: 10.1002/chem.202103256 |
DOI: | https://doi.org/10.1002/chem.202103256 |
Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 546 Anorganische Chemie |
Tag: | Lewis adducts; bond dissociation energies; borylene; group 13; redox processes |
Release Date: | 2022/03/09 |
Licence (German): | CC BY: Creative-Commons-Lizenz: Namensnennung 4.0 International |