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Unique Reactivity of Heterodinuclear Pentacarbonyl(fulvalene)molybdenumruthenium with Alkynes: Fluxionality, Rearrangements, Structures, and First Reversible Conversion of a “Side‐on”‐ to a Semi‐Bridging Alkenylidene Ligand
Author(s) -
Boese Roland,
Huffman Mark A.,
Vollhardt K. Peter C.
Publication year - 1991
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.199114631
Subject(s) - heteronuclear molecule , chemistry , alkyne , side chain , ligand (biochemistry) , reactivity (psychology) , stereochemistry , crystallography , nuclear magnetic resonance spectroscopy , catalysis , organic chemistry , medicine , biochemistry , receptor , polymer , alternative medicine , pathology
Acting as as two‐ and four‐electron donors alkynes react with the heteronuclear fulvalene complex 1 . Terminally bound alkyne ligands rearrange to alkenylidene ligands; in the course of the reaction an equilibrium between the side‐on and semibridging coordination (2⇆3) can be observed. ( 2 : R 1 = C 6 H 5 , R 2 = H).