Synthesis and Crystal Structure of 4-η2-CCt-Bu)(CO)7(dppe)> (dppe=Ph2PCH2CH2PPh2), a Butterfly Cluster containing an unusually Bonded Alkynyl Ligand: A Model for an Intermediate Molecular Geometry in a Cluster-Ligand Rearrangement

DOI: 10.1039/c39910000163

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 163 - 165 (1991)

Update date:2022-09-26

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Authors:

Farrugia, Louis J.

MacDonald, Neil

Peacock, Robert D.

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Article abstract of DOI:10.1039/c39910000163

Reaction of 4-η²-CCt-Bu)(CO)9(L₂) 1a (L₂=dppe) with Ph2PCCPPh2 affords the butterfly cluster 4-η²-CCt-Bu)(CO)7(dppe)> 3; the metal skeleton and μ₄-η² alkynyl coordination mode in 3 represent a likely model for a transition geometry in the interconversion of 1 and its vinylidene tautomer 4-η²-C=C(H)t-Bu>(CO)9(L₂)> 2.

Full text of DOI:10.1039/c39910000163

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