Metallacyclic Four‐Membered Ring Systems: Two Independent Routes to Bis(cyclopentadienyl)titanacyclobutabenzene | Zendy

de Boer Henricus J. R. | Zendy; Akkermann Otto S. | Zendy; Bickelhaupt Friedrich | Zendy; Erker Gerhard | Zendy; Czisch Peter | Zendy; Mynott Richard | Zendy; Wallis Julian M. | Zendy; Krüger Carl | Zendy

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Metallacyclic Four‐Membered Ring Systems: Two Independent Routes to Bis(cyclopentadienyl)titanacyclobutabenzene

Author(s) -

de Boer Henricus J. R.,

Akkermann Otto S.,

Bickelhaupt Friedrich,

Erker Gerhard,

Czisch Peter,

Mynott Richard,

Wallis Julian M.,

Krüger Carl

Publication year - 1986

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198606391

Subject(s) - cyclopentadienyl complex , ylide , ring (chemistry) , reagent , aryne , chemistry , grignard reagent , medicinal chemistry , organic chemistry , catalysis

Two routes lead to the target: The title compound 2 is formed, both upon reaction of the double Grignard reagent 1 with titanocene dichloride as well as upon reaction of H 2 CPPh 3 with thermally generated (aryne)titanocene 3 . In the second route, the phenyltitanocene ylide 4 is also formed.

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