Synthesis of Naphthoquinone-Fused Cyclobutadiene Ruthenium Complexes

A coordinatively unsaturated ruthenacycle, which was formed from Cp*RuCl(cod) and 1,2-bis(phenylpropiolyl)benzene, was isomerized to a new sandwich complex consisting of a Cp* and a naphthoquinone-fused cyclobutadiene ligand at ambient temperature. On the other hand, the treatment of the same ruthen...

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Bibliographic Details
Published inOrganometallics Vol. 23; no. 15; pp. 3610 - 3614
Main Authors Yamamoto, Yoshihiko, Arakawa, Takayasu, Itoh, Kenji
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 19.07.2004
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Inorganic & Nuclear
Chemistry, Organic
Physical Sciences
Science & Technology
DENSITY
TRANSITION-METAL-COMPLEXES
MOLECULAR-ORBITAL METHODS
EFFECTIVE CORE POTENTIALS
INTRAMOLECULAR TRANSANNULAR CYCLIZATIONS
STRUCTURAL-CHARACTERIZATION
BASIS-SETS
ALKYNES
DERIVATIVES
ELECTRONIC-STRUCTURE
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Summary:A coordinatively unsaturated ruthenacycle, which was formed from Cp*RuCl(cod) and 1,2-bis(phenylpropiolyl)benzene, was isomerized to a new sandwich complex consisting of a Cp* and a naphthoquinone-fused cyclobutadiene ligand at ambient temperature. On the other hand, the treatment of the same ruthenacycle with excess AgBF4 at room temperature produced a tetramethylfulvene cyclobutadiene complex. In contrast, a cationic cyclobutadiene complex was formed from the isolated Cp*RuCl(cyclobutadiene) with excess AgBF4.
Bibliography:ark:/67375/TPS-8CN3S7VL-W
istex:6BD325C5A690AA69F40D13959CD23C7BB08B6D1E
ISSN:0276-7333
1520-6041
DOI:10.1021/om049732g