Isomerization of diastereoisomeric alkene complexes of the formula [(η 5 -C 5 H 5 )Re(NO)(PPh 3 )(H 2 C[double bond, length half m-dash]CHR)] + ; the alkene enantioface bound to the metal can ‘flip’ without alkene dissociation
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Deuterium labelling experiments show that the title reaction is intramolecular, and does not proceed by rotation of the =CHR terminus; a mechanism involving a C-H 'σ bond complex' is proposed.
author list (cited authors)
Peng, T., & Gladysz, J. A.