Synthese und Struktur eines polyspirocyclischen Ylidkomplexes des Nickels mit vier chiralen Zentren

Hubert Schmidbaur, Albert Mörtl, Beate Zimmer-Gasser

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Synthesis and Structure of a Polyspirocyclic Ylide complex of Nickel with four Chiral Centres. The bicyclic phosphorus ylideλ5-phosphaspiro[5.5]undec-5-ene (1) is metalated with one equivalent of methyllithium to yield 2, which reacts with bis (trimethylphosphane)nickel dichloride in a molar ratio of 2:1 to form the polyspirocyclic nickel ylide complex 3. X-ray diffraction analysis of the mononuclear complex 3 shows a centrosymmetric structure with an approximate squareplanar coordination of nickel to four chiral carbon atoms; yet the total molecule is an achiral system.

Original languageGerman
Pages (from-to)3161-3164
Number of pages4
JournalEuropean Journal of Inorganic Chemistry
Issue number9
StatePublished - Sep 1981
Externally publishedYes

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