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Slow Tautomerization in a Rhenium‐Oxo‐Hydroxide Complex
Author(s) -
Erikson Torsten K. G.,
Mayer James M.
Publication year - 1988
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.198815271
Subject(s) - tautomer , rhenium , acetylene , chemistry , hydroxide , proton , photochemistry , computational chemistry , stereochemistry , inorganic chemistry , organic chemistry , physics , quantum mechanics
The considerable changes in structure and bonding which accompany proton transfer between the two oxygen atoms in 1 cause the tautomerism 1 ⇄ 1 ′ to be a slow process: the approach to equilibrium is first order and has a half‐life of 11 h! The most important reason for the high activation barrier for the tautomeric equilibrium is the necessary rearrangement of the acetylene ligands.