Preparation and reactivity of (η-arene)tricarbonylmanganese cations bearing functional substituents
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 16-17,p. 1677-1682
- https://doi.org/10.1039/dt9750001677
Abstract
Tricarbonyl(η-methoxy- and tricarbonyl(η-halogeno-benzene)manganese salts have been obtained from the appropriate arenes with bromopentacarbonylmanganese and aluminium chloride. The ease of nucleophilic substitution increases sharply in the series of halogenoarene compounds linked to (OC)3Cr < (cp)Fe+ < (OC)3Mn+(cp =η-cyclopentadienyl). The high reactivity of the manganese complexes is utilised in the preparation of other functionally substituted arene complexes by reaction with amines or anionic nucleophiles. l.r. and n.m.r. study of the amino-substituted arene complexes establishes partial nitrogen to ring double bonding.Keywords
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