Assertion: oxidation | /r/CapableOf | occur by initial hydrogen bond
Facets:
value: in the presence of silica gel
type: OTHER
value: between the hydroxyl group
type: OTHER
value: between the oxoammonium nitrogen
type: OTHER
value: under neutral or slightly acidic conditions
type: TEMPORAL
Source sentences:
text: Under neutral or slightly acidic conditions (in the presence of silica gel, for instance), oxidation occurs by an initial hydrogen bond between the hydroxyl group and the oxoammonium nitrogen, followed by concerted proton transfer and hydride abstraction.