Cyclobutadiene Complexes, XII . Alkynyl‐Substituted Tricarbonyl(cyclobutadiene)iron Complexes: Stille Coupling of Iodocyclobutadiene Complexes with Stannylalkynes | Zendy

Bunz Uwe H. F. | Zendy; WiegelmannKreiter Jutta E. C. | Zendy

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Cyclobutadiene Complexes, XII . Alkynyl‐Substituted Tricarbonyl(cyclobutadiene)iron Complexes: Stille Coupling of Iodocyclobutadiene Complexes with Stannylalkynes

Author(s) -

Bunz Uwe H. F.,

WiegelmannKreiter Jutta E. C.

Publication year - 1996

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19961290709

Subject(s) - cyclobutadiene , chemistry , stille reaction , metalation , antiaromaticity , dimer , stereochemistry , organic chemistry , molecule , catalysis , aromaticity

The synthesis of mono‐, di‐, tri‐ and tetraalkynylated tricarbonyl(cyclobutadiene)iron complexes is accomplished by a repetitive metalation/iodination/coupling sequence. Application of this sequence leads to the synthesis of oligomeric cyclobutadiene complexes with various topologies, inter alia to the synthesis of a perethynylated dimer 24 . Alternatively a one‐step coupling procedure (Stille‐Farina) has been used to synthesize tetraalkynylated tricarbonyl(cyclobutadiene)‐irons 26 .

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