Keyphrases
Outer-sphere
100%
Calixarene
100%
Surface Acidity
100%
Sphere Surface
100%
Alkene Epoxidation
100%
Ti(IV) Complexes
100%
Epoxidation
80%
Silica
40%
Hydroperoxides
40%
SiO2 Surface
40%
Oxides
20%
Oxide Surfaces
20%
UV-visible
20%
Oxygen Transfer
20%
Alkenes
20%
Active Sites
20%
Lower Average
20%
Hydrogen Bonds (H-bonds)
20%
Aluminum Oxide
20%
Rate Limiting
20%
Rutile
20%
Hydroxylated
20%
Cooperativity
20%
Defect Sites
20%
Acidity
20%
Epoxidation Catalyst
20%
Spectral Features
20%
Charge Transfer Band
20%
Ligand-to-metal Charge Transfer
20%
H-bonding Interaction
20%
Coordination Environment
20%
Ti Sites
20%
Substituent Effect
20%
TS-1
20%
Coordinatively Unsaturated
20%
Upper Rim
20%
Ti(IV)
20%
Surface Hydroxyl
20%
Tert-butyl Hydroperoxide (t-BHP)
20%
X-ray Absorption Edge
20%
Catalytic Rate
20%
Silanol
20%
Lewis Acid Catalyst
20%
Cyclohexene Epoxidation
20%
Ti K-edge
20%
Ti Coordination
20%
Frontier Orbital Energy
20%
Triphenylsilane
20%
Chemistry
Alkene
100%
Calixarenes
100%
Surface Acidity
100%
epoxidation
100%
Hydroperoxide
28%
Ultraviolet Spectrum
14%
Hydroxyl
14%
Cyclohexene
14%
Substituent Effect
14%
Frontier Orbital
14%
Tert-Butyl Hydroperoxide
14%
Acid Catalyst
14%
Triphenylsilanol
14%
Titanium
14%
Lewis Acid
14%
Titanium Dioxide
14%
Silanol
14%
acidity
14%
Chemical Engineering
Olefin
100%
Titanium Dioxide
50%