Combined deuterium nuclear magnetic resonance and mass-spectrometric studies of the exchange reactions of ketones over supported metal catalysts
作者:Christopher G. Pope、Charles Kemball、Gordon S. McDougall
DOI:10.1039/ft9908600747
日期:——
in conjunction with mass spectrometry to study the exchange reaction of the ketones acetone, butan-2-one and cyclopentanone over a variety of supported metal catalysts. In many of the experiments simple, random, stepwise exchange was prevalent. However, in certain instances multiple exchange occurred. For butan-2-one and cyclopentanone this multiple exchange was essentially limited to the protons on
The Effect of Surface Hydroxyl Groups upon the Deactivation of Excited Triplet Acetone Adsorbed on Porous Vycor Glass
作者:Masakazu Anpo
DOI:10.1246/cl.1987.1221
日期:1987.6.5
H-Dexchangebetween deuterated surface hydroxyl groups and excited triplet acetone has been observed on porous Vycor glass, proceeding via a surface hydroxyl group-assisted photoenolization of acetone. This chemical process evidences that surface hydroxyl groups play a significant role in determining the fate of the excited triplet acetone adsorbed on Vycor glass by a strong hydrogen bonding.
在多孔 Vycor 玻璃上观察到氘化表面羟基和激发的三线态丙酮之间的 HD 交换,通过丙酮的表面羟基辅助光烯醇化进行。这种化学过程证明,表面羟基在决定通过强氢键吸附在 Vycor 玻璃上的激发三线态丙酮的命运方面起着重要作用。