Isolation and chemical properties of ruthenium and iron hydroxymethyl complexes (η5-C5H5)M(CO)2CH2OH

Y. C. Lin, David Milstein, S. S. Wreford

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Abstract

The hydroxymethyl complexes (η5-C5H5)M-(CO)2(CH 2OH) (M = Ru, Fe) were isolated from the reduction of the tricarbonyl cations (η5-C5H5)M(CO)3 + with 4 equiv of NaBH3CN. They decompose catalytically to (η5-C5H5)Ru(CO)2H or [(η5-C5H5)Fe(CO)2]2 and formaldehyde when treated with phosphorus ligands. They react with CH3OH, CH3C(O)Cl/C5H5N, and (CH3)3SiCl/ C5H5N to form methoxymethyl, (acyloxy)methyl, and (trimethylsiloxy)methyl complexes. Only the (trimethylsiloxy)methyl complexes can be hydrolyzed to regenerate the hydroxymethyl precursors. No CO insertion reactions were observed for any of these products at pressures up to 4000 psl at 80°C.

Original languageEnglish
Pages (from-to)1461-1463
Number of pages3
JournalOrganometallics
Volume2
Issue number10
Publication statusPublished - 1983

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Ruthenium
Carbon Monoxide
formaldehyde
chemical properties
Chemical properties
ruthenium
phosphorus
insertion
isolation
Iron
methylidyne
iron
cations
ligands
products
Phosphorus
Formaldehyde
Cations
Ligands

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry

Cite this

Isolation and chemical properties of ruthenium and iron hydroxymethyl complexes (η5-C5H5)M(CO)2CH2OH. / Lin, Y. C.; Milstein, David; Wreford, S. S.

In: Organometallics, Vol. 2, No. 10, 1983, p. 1461-1463.

Research output: Contribution to journalArticle

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N2 - The hydroxymethyl complexes (η5-C5H5)M-(CO)2(CH 2OH) (M = Ru, Fe) were isolated from the reduction of the tricarbonyl cations (η5-C5H5)M(CO)3 + with 4 equiv of NaBH3CN. They decompose catalytically to (η5-C5H5)Ru(CO)2H or [(η5-C5H5)Fe(CO)2]2 and formaldehyde when treated with phosphorus ligands. They react with CH3OH, CH3C(O)Cl/C5H5N, and (CH3)3SiCl/ C5H5N to form methoxymethyl, (acyloxy)methyl, and (trimethylsiloxy)methyl complexes. Only the (trimethylsiloxy)methyl complexes can be hydrolyzed to regenerate the hydroxymethyl precursors. No CO insertion reactions were observed for any of these products at pressures up to 4000 psl at 80°C.

AB - The hydroxymethyl complexes (η5-C5H5)M-(CO)2(CH 2OH) (M = Ru, Fe) were isolated from the reduction of the tricarbonyl cations (η5-C5H5)M(CO)3 + with 4 equiv of NaBH3CN. They decompose catalytically to (η5-C5H5)Ru(CO)2H or [(η5-C5H5)Fe(CO)2]2 and formaldehyde when treated with phosphorus ligands. They react with CH3OH, CH3C(O)Cl/C5H5N, and (CH3)3SiCl/ C5H5N to form methoxymethyl, (acyloxy)methyl, and (trimethylsiloxy)methyl complexes. Only the (trimethylsiloxy)methyl complexes can be hydrolyzed to regenerate the hydroxymethyl precursors. No CO insertion reactions were observed for any of these products at pressures up to 4000 psl at 80°C.

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