Medicine & Life Sciences
calix(4)arene
100%
Crown Ethers
92%
cesium carbonate
56%
Ether
54%
Crowns
53%
potassium carbonate
45%
4-toluenesulfonic acid
43%
Metals
42%
Ions
40%
Ethers
38%
Proton Magnetic Resonance Spectroscopy
28%
Potassium
21%
Ligands
17%
Chemical Compounds
Calix[4]arene
55%
Crown Ether
50%
Ether
33%
Metal Ion
30%
Potassium Carbonate
14%
1H NMR Spectrum
10%
Reaction Yield
9%
Chemical Shift
9%
Carbonate
9%
Complexation
9%
Agriculture & Biology
aromatic hydrocarbons
62%
metal ions
50%
ethers
43%
potassium carbonate
14%
cesium
11%
carbonates
10%
ligands
8%
potassium
7%
metals
7%
ions
6%
Physics & Astronomy
ethers
53%
metal ions
52%
carbonates
21%
potassium
19%
cesium
10%
chemical equilibrium
10%
ligands
9%
selectivity
9%
templates
9%
nuclear magnetic resonance
7%
preparation
7%