A gas-phase study of the gold-catalyzed coupling of alkynes and alcohols
作者： Jana Roithová , Jan Hrušák , Detlef Schröder , Helmut Schwarz
DOI: 10.1016/J.ICA.2005.03.023
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摘要: Abstract Mass spectrometric methods are used for an investigation of the C–O bond formation between alkynes and alcohols mediated by cationic gold(I) complexes. In condensed-phase catalysis, efficient coupling to corresponding enol ethers has been observed. gas phase, however, kinetic entropic restrictions too large both bare Au+ as well (CH3)3PAu+ permit in strictly bimolecular collisions occurring at thermal energies. The experimental findings complemented a theoretical study Au+/C2H2/CH3OH system using density functional theory.
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