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CAS No.: | 605-32-3 |
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Name: | 2-HYDROXYANTHRAQUINONE |
Article Data: | 70 |
Molecular Structure: | |
Formula: | C14H8 O3 |
Molecular Weight: | 224.216 |
Synonyms: | Anthraquinone,2-hydroxy- (7CI,8CI); 2-Hydroxy-9,10-anthraquinone; 2-Hydroxyanthraquinone; NSC2595; b-Hydroxyanthraquinone |
Density: | 1.423g/cm3 |
Melting Point: | 314℃ (acetic acid ) |
Boiling Point: | 409.7°C at 760 mmHg |
Flash Point: | 215.7°C |
Hazard Symbols: | N |
Risk Codes: | 36/37/38-51/53 |
PSA: | 54.37000 |
LogP: | 2.16760 |
Conditions | Yield |
---|---|
Stage #1: 2-aminoanthraquinone With sodium nitrite at 20℃; for 3.5h; Stage #2: With water for 0.5h; Heating; Further stages.; | 96% |
Stage #1: 2-aminoanthraquinone With sulfuric acid; sodium nitrite Stage #2: With water Reflux; | 90% |
With sulfuric acid; sodium nitrite 0 deg C, 5 min then rt 30 min; 160 deg C, 12 h; | 86% |
9,10-phenanthrenequinone
A
2-hydroxy-9,10-anthraquinone
B
1,4-dihydroxy-9,10-anthracenedione
Conditions | Yield |
---|---|
With sulfuric acid; boric acid for 5h; Product distribution; Mechanism; Irradiation; other time; | A n/a B 81% |
9,10-phenanthrenequinone
A
2-hydroxy-9,10-anthraquinone
B
anthracen-9(10H)-one
C
1-hydroxyanthraquinone
D
bianthronyl
Conditions | Yield |
---|---|
In sulfuric acid at 15℃; Product distribution; Mechanism; Quantum yield; Irradiation; N2; | A 80% B n/a C n/a D n/a |
In sulfuric acid at 15℃; Irradiation; | A 80% B n/a C n/a D n/a |
2-(5,5-dimethyl-[1,3,2]dioxaborinan-2-yl)-anthraquinone
2-hydroxy-9,10-anthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran at 20℃; for 0.25h; | 77% |
2-carbomethoxy-9,10-anthraquinone
2-hydroxy-9,10-anthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran at 20℃; for 0.25h; | 77% |
2-hydroxy-9,10-anthraquinone
Conditions | Yield |
---|---|
With boric acid tributyl ester; 2,2,6,6-tetramethylpiperidinyl-lithium In tetrahydrofuran at -78℃; for 0.5h; | 71% |
9,10-phenanthrenequinone
A
2-hydroxy-9,10-anthraquinone
B
1-hydroxyanthraquinone
C
1,4-dihydroxy-9,10-anthracenedione
Conditions | Yield |
---|---|
With sulfuric acid at 25℃; Irradiation; | A 70% B n/a C n/a |
With sulfuric acid at 25℃; Irradiation; prolonged irradiation; | A n/a B 55% C 6% |
Conditions | Yield |
---|---|
With air; sulfuric acid at 25℃; Irradiation; | A n/a B 60% |
With air In water; isopropyl alcohol for 0.5h; Product distribution; Ambient temperature; Irradiation; other solvents: CHCl3 + water, dioxane + water, other reaction time: 15 min; | |
With air; sulfuric acid at 25℃; for 7h; Product distribution; Mechanism; Quantum yield; Irradiation; without air (argon), other time, other concentration of H2SO4, other temperature, other intensity of the light, other wavelenght; |
2-hydroxy-9,10-anthraquinone
Conditions | Yield |
---|---|
With sodium hydride; Benzaldoxime In tetrahydrofuran; vaseline; N,N-dimethyl acetamide at 60℃; for 3h; Inert atmosphere; | 55% |
2,3-bis(trimethylsilyloxy)-1,3-butadiene
[1,4]naphthoquinone
A
2-hydroxy-9,10-anthraquinone
B
hystazarin
Conditions | Yield |
---|---|
In toluene for 24h; Heating; Yields of byproduct given; | A 54% B n/a |
In toluene for 24h; Heating; Yield given. Yields of byproduct given; |