Химические соединения
Chromones
89%
1,2,4-triazines
69%
Pyrimidine
66%
Quinoxaline
49%
Acetic Anhydride
49%
Carbonate
47%
Reaction Yield
46%
Chromanes
46%
Transesterification
44%
Cyclization Reaction
43%
Azine
42%
Nucleophilic Addition
40%
Enamine
37%
Ethyl
37%
Intramolecular Cyclization
37%
Nucleophilic Aromatic Substitution
33%
Chemical Transformation
32%
X-Ray Diffraction
31%
Acetylacetone
30%
Substitution Reaction
29%
2D NOESY NMR
29%
Acid
28%
Stereochemistry
28%
1,3-cycloaddition
28%
Dimethyl Carbonate
25%
Azomethine Ylide
25%
Ring Opening Reaction
25%
Amine
25%
Double Bond
24%
Heteronuclear Multiple Bond Coherence
23%
Hydrogen
23%
Acid Anhydride
23%
13C NMR Spectroscopy
23%
Chloride
23%
19F NMR Spectrum
22%
Ambient Reaction Temperature
21%
Tautomerization
21%
Chromone
21%
Sorption
21%
Indoles
20%
Aromatic Amine
20%
1H NMR Spectroscopy
20%
Mixture
20%
Acrylonitrile
20%
Acetal
20%
Benzoxazine
20%
Hydrazine
19%
2,3-dihydrofuran
19%
Биологические науки и медицина
5,7-dimethoxy-2-methyl-2H-benzopyran
100%
Chromones
69%
trichloromethyl free radical
58%
Cycloaddition Reaction
50%
1,2,4-triazine
39%
Cyclization
37%
azomethine
37%
Benzopyrans
33%
X-Ray Diffraction
28%
5-bromopyrimidine
26%
Oxazines
25%
Acrylonitrile
24%
Chromans
24%
cyclohexanone
23%
Fluoroquinolones
22%
Maleimides
19%
Proton Magnetic Resonance Spectroscopy
19%
Hydroxylamine
19%
Pyrimidines
19%
Acids
17%
Amines
16%
Oxides
16%
pinacolone
16%
Heating
15%
Hydrogen
15%
ethyl vinyl ether
15%
formylchromone
15%
2,3-dihydrofuran
15%
1-methyl-3,4-dihydroisoquinoline
15%
Benzene
14%
Ethylenediamines
14%
azastene
14%
benzofuroxan
14%
Pyridazines
14%
Carbon-13 Magnetic Resonance Spectroscopy
14%
2-methylindole
13%
triethylenediamine
13%
2'-hydroxyacetophenone
13%
nitromethane
13%
pyridazine
12%
Pyridines
12%
Thiadiazoles
12%
thiosemicarbazide
11%
Cyclobutanes
11%
Methylene Chloride
11%
Oximes
11%
Pyrrolidines
11%
Pyrans
11%
octane
11%
Thiophenes
11%
Физика и астрономия
synthesis
36%
amines
19%
nuclear magnetic resonance
18%
ureas
16%
fragments
14%
phenyls
13%
nucleophiles
11%
sodium azides
11%
indoles
10%
fluorine
10%
imidazoles
9%
pyrroles
9%
pyrimidines
9%
enantiomers
9%
cross coupling
9%
rings
9%
alkoxides
9%
thioureas
9%
substitutes
9%
chlorides
8%
diamines
8%
products
8%
mass spectroscopy
8%
kinetics
8%
isomerization
7%
acetone
7%
ethers
7%
sulfides
7%
atoms
6%
ligands
6%
purines
6%
acylation
6%
carbonates
6%
halos
6%
defluorination
6%
sodium
5%
isomers
5%
guanidines
5%
reaction intermediates
5%
quinoline
5%