Anthracene and Pyrene Ruthenacarboranes

Leonie Schneider, Emma J. Catterson, Joseph Mercer, Rebekah J. Jeans, Georgina M. Rosair, Alan J. Welch

Research output: Contribution to journalArticlepeer-review

Abstract

Dehalogenation of the anion [3,3-(PPh3)2-3-Cl-closo-3,1,2-RuC2B9H11] in the presence of toluene, anthracene and pyrene affords the new ruthenacarborane species [3-(C6H5Me)-closo-3,1,2-RuC2B9H11] (1), [3-C14H10-closo-3,1,2-RuC2B9H11] (2) and [3-C16H10-closo-3,1,2-RuC2B9H11] (3), respectively. Compounds 2 and 3 are the first examples of anthracene and pyrene metallacarboranes. In 2 and 3 the orientation of the polycyclic aromatic hydrocarbon (PAH) with respect to the metallacarborane cage is controlled by the relatively weak trans influences of the cage C atoms and the ligating ring junction C atoms of the PAH compared to the relatively strong trans influences of the facial B atoms of the carborane and the ligating non-junction atoms of the PAH. Thus is demonstrated a pronounced structural anthracene effect and structural pyrene effect, to complement established structural indenyl and structural naphthalene effects in metallacarborane chemistry.
Original languageEnglish
Article number121805
JournalJournal of Organometallic Chemistry
Early online date2 Apr 2021
DOIs
Publication statusE-pub ahead of print - 2 Apr 2021

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