A Seven-Membered Zirconacyclocumulene Complex as a source of Cyclobutadiene: Trapping of Cyclobutadiene by the Diels-Alder Reaction

The interaction of the seven-membered zirconacyclocumulene complex of zirconocene with acenaphthenequinone leads to the cyclobutadiene formation with its subsequent dimerization in cyclooctatetraene in addition to tetraoxadizirconacycle consists of two zirconocene and two acenaphthenequinone fragments. If this reaction is carried out in the presence of the excess of cyclopentadiene or acenaphthylene, the trapping of cyclobutadiene by the Diels-Alder reaction takes place. Cyclobutadiene can act both as dienophile and diene source in these reactions. © 2022 Wiley-VCH GmbH.

Authors
Andreev M.V. , Bogdanov V.S. , Frolov M.A. , Smol'yakov A.F. , Burlakov V.V.
Journal
ChemistrySelect
Publisher
Wiley-Blackwell
Number of issue
28
Language
English
Status
Published
Link
External link
DOI
10.1002/SLCT.202200610
Number
e202200610
Volume
7
Year
2022
Organizations
  • 1 Division of Organometallic Compounds, A.N. Nesmeyanov Institute of Organoelement Compounds, Vavilov Street 28, Moscow, 119991, Russian Federation
  • 2 Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya Str. 6, Moscow, 117198, Russian Federation
Keywords
cumulenes; cyclobutadiene; Diels-Alder product; diene ligands; metallacycles; seven-membered zirconacyclocumulene; trapping of cyclobutadiene
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