New Routes to Alkylidyne‐Bridged Ditungsten Compounds Supported by Alkoxide or Siloxide Ligands by the Activation of Ethylene | Zendy

Chacon Stephanie T. | Zendy; Chisholm Malcolm H. | Zendy; Cook Cindy M. | Zendy; HampdenSmith Mark J. | Zendy; Streib William E. | Zendy

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New Routes to Alkylidyne‐Bridged Ditungsten Compounds Supported by Alkoxide or Siloxide Ligands by the Activation of Ethylene

Author(s) -

Chacon Stephanie T.,

Chisholm Malcolm H.,

Cook Cindy M.,

HampdenSmith Mark J.,

Streib William E.

Publication year - 1992

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.199204621

Subject(s) - chemistry , alkoxide , ethylene , carbyne , ligand (biochemistry) , bridging ligand , stereochemistry , crystallography , crystal structure , biochemistry , catalysis , carbene , receptor

The signals of six nonequivalent siloxy ligands in the NMR spectrum confirm among other things the existence of one hydrido and one bridging 2‐butenylidene ligand in complex 1 . It is very likely that the hydrido ligand is terminally bonded to W2, even though there is also evidence of an exchange process between the siloxy and hydrido ligands. Complex 1 , whose central framework is shown here, was also characterized by X‐ray crystallography.

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