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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.