Multiple substitutions on (η6-arene)tricarbonylchromium(0) complexes

S. E. Gibson, J. W. Steed, S. Sur

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The treatment of representative (η6-arene)tricarbonylchromium(0) complexes 1a-c and 4 with 3 equivalents of LiTMP followed by an electrophilic quench with Me3SiCl provided a series of trisilylated complexes 2a-c and 5a. The use of Me3SnCl and Ph2PCl as electrophile also yielded unusual trisubstituted complexes 13a and 13b. The X-ray crystallographic structure of complex 13b is reported. Deuteration studies using deuteroacetic acid as the electrophile led to the observation of a trideuterated species presumably derived from a trianionic species formed during the reaction. Efficient disubstitution was observed when complexes 7, 9 and 11 were treated with 3 equivalents of LDA followed by an electrophilic quench with Me3SiCl.

Original languageEnglish (US)
Pages (from-to)636-641
Number of pages6
JournalJournal of the Chemical Society. Perkin Transactions 1
Issue number8
StatePublished - 2001
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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