Concepedia

Formation and structural characterization of a five-membered zirconacycloallenoid

Georg Bender, Gerald Kehr, Constantin G. Daniliuc, Birgit Wibbeling, Gerhard Erker

Dalton Transactions · 2013 · 24 citations · 29 references

DOI

Concepts

Abstract

A conjugated enyne reacts with in situ generated zirconocene to yield a five membered zirconacycloallenoid that was characterized by X-ray diffraction.

References

29

Reaction of zirconocene dichloride with alkyllithiums or alkyl grignard reagents as a convenient method for generating a “zirconocene” equivalant and its use in zirconium-promoted cyclization of alkenes, alkynes, dienes, enynes, and diynes

Ei‐ichi Negishi, Fredrik Cederbaum, Tamotsu Takahashi · Tetrahedron Letters · 1986 · 562 citations

, , +7

Synthesis, structure, and equilibration of s-cis- and s-trans- .eta.4-conjugated diene-zirconocene complexes

Gerhard Erker, Joachim Wicher, Klaus Engel et al. · Journal of the American Chemical Society · 1980 · 220 citations

, , +10

Diene, Alkyne, Alkene, and Alkyl Complexes of Early Transition Metals: Structures and Synthetic Applications in Organic and Polymer Chemistry

Hajime Yasuda, Akira Nakamura · Angewandte Chemie International Edition in English · 1987 · 185 citations

, , +12

1,3-Diene complexes of zirconium and hafnium prepared by the reaction of enediylmagnesium with MCl2Cp2. A remarkable difference between the zirconium and hafnium analogs as revealed by proton NMR and electronic spectra

Hajime Yasuda, Yasuhiro Kajihara, Kazushi Mashima et al. · Organometallics · 1982 · 162 citations

, , +11

Five-Membered Titana- and Zirconacyclocumulenes:  Stable 1-Metallacyclopenta-2,3,4-trienes

Uwe Rosenthal, V.V. Burlakov, Perdita Arndt et al. · Organometallics · 2005 · 161 citations

, , +15