Synthesis of the First Titana[3]radialene and Its Ring Enlargement to a Titanacyclopentene

Synthesis of the First Titana[3]radialene and Its Ring Enlargement to a Titanacyclopentene

A whole range of titanacycles can be prepared from the dilithio compound 1 and titanocene dichloride. The initial product in the reaction, radialene 2, rearranges immediately into titanacyclopentene 3. Cyclopentenes like 4 arise from the reaction of 3 with alkynes.

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Veröffentlicht in:Angewandte Chemie International Edition 1996-02, Vol.35 (2), p.210-212
Hauptverfasser: Maercker, Adalbert, Groos, Andreas
Format: Artikel
Sprache:eng
Schlagworte:
heteroradialenes
lithium compounds
rearrangements
titanium compounds
zirconium compounds
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Zusammenfassung:A whole range of titanacycles can be prepared from the dilithio compound 1 and titanocene dichloride. The initial product in the reaction, radialene 2, rearranges immediately into titanacyclopentene 3. Cyclopentenes like 4 arise from the reaction of 3 with alkynes.
ISSN:0570-0833
1521-3773
DOI:10.1002/anie.199602101