10.1021/om010755u.s002
Shana J. Sturla
Shana J.
Sturla
Stephen L. Buchwald
Stephen L.
Buchwald
Monocyclopentadienyltitanium Aryloxide Complexes:
Preparation, Characterization, and Application in
Cyclization Reactions
American Chemical Society
2002
Structural characterization
enyne
trisubstituted olefin
Cyclization Reactions
diene
steric parameters
titanium metallacycle
monocyclopentadienyltitanium aryloxide complexes
Pauson
cyclization reactions
2002-01-24 00:00:00
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Monocyclopentadienyltitanium_Aryloxide_Complexes_Preparation_Characterization_and_Application_in_Cyclization_Reactions/3767448
A variety of monocyclopentadienyltitanium aryloxide complexes were prepared, characterized by X-ray crystallography, and used to catalyze or mediate cyclization reactions.
Structural characterization allowed for the comparison of steric parameters of various 2,6-disubstituted aryloxide ligands. Transformations of dienes and enynesincluding the
catalysis of a 1,6-diene cycloisomerization and the intramolecular Pauson−Khand reactionwere investigated. A titanium metallacycle was prepared from a sterically hindered enyne
containing a trisubstituted olefin. The Pauson−Khand reaction of trimethylsilyl-substituted
enynes was promoted to generate α-silylcyclopentenones.