Chemistry
Photochromism
100%
Naphthopyran
96%
Pyrans
48%
Pyran
23%
Dye
21%
1-Benzopyran
20%
Ring Opening Reaction
16%
Cycloaddition
13%
Cope Elimination
13%
Ring Contraction
12%
2H-Chromene
11%
2-Naphthol
10%
Cyclic Structure
10%
Pyrroles
10%
1-Naphthol
9%
Thermochromism
9%
Methyl Stearate
9%
Naphthofuran
9%
Ultraviolet Irradiation
8%
Rotenoid
8%
Chromones
8%
Reaction Yield
7%
Pyranone
7%
X-Ray Crystallography
7%
Pyrazoles
7%
Application
7%
Pyran Ring
7%
Ylide
7%
Cyclization Reaction
7%
Phosphorus Ylide
7%
Lithiation
6%
Furan
6%
Suzuki Cross Coupling
6%
FT-Raman
6%
Ring Expansion
6%
Chloride
6%
Electromagnetic Radiation
6%
Ring Cleavage
6%
Acetal
6%
Wavelength
5%
Hyperpolarizability
5%
Condensation
5%
Chromenes
5%
Ring Formation
5%
Naphthothiazole
5%
3-Methylbut-2-Enoic Acid
5%
Medicine & Life Sciences
naphtho(2,1-b)pyran
38%
Cycloaddition Reaction
21%
Chromans
18%
Oxathiins
16%
Pyrans
13%
thiopyran
11%
Acetals
10%
5,7-dimethoxy-2-methyl-2H-benzopyran
10%
thionyl chloride
10%
sulfenamide
10%
2-naphthol
8%
2H-naphtho(1,2-b)pyran
8%
Benzopyrans
8%
Ketones
8%
Chromones
7%
furan
7%
sulfaperine
7%
Acids
6%
Phosphoranes
6%
thiopyrylium
6%
magnesium iodide
5%
hexyl acrylate
5%
merocyanine dye
5%
isoamyl nitrite
5%
Lithium
5%
Phosphorus
5%
2-ethylhexyl acrylate
5%
X Ray Crystallography
5%
2'-hydroxyacetophenone
5%
Engineering & Materials Science
Photochromism
36%
Naphthol
29%
Dyes
28%
Acids
10%
Color
10%
Density functional theory
9%
Derivatives
9%
Cyclization
8%
Naphthalene
8%
Ligands
8%
Protonation
8%
Aniline
7%
Cycloaddition
7%
Molecules
7%
Irradiation
7%
Salts
7%
Palladium
6%
Ultraviolet radiation
6%
Vibrational spectra
5%
Optical communication
5%
Styrene
5%
Solubility
5%
Electrons
5%
Absorption spectra
5%
Atoms
5%
Fluorescence
5%
Polymers
5%