Product Name

  • Name

    2,4-Dihydroxybenzophenone

  • EINECS 205-029-4
  • CAS No. 131-56-6
  • Article Data90
  • CAS DataBase
  • Density 1.302 g/cm3
  • Solubility insoluble in water
  • Melting Point 144.5-147 °C(lit.)
  • Formula C13H10O3
  • Boiling Point 409 °C at 760 mmHg
  • Molecular Weight 214.221
  • Flash Point 215.3 °C
  • Transport Information
  • Appearance yellow crystalline powder
  • Safety 26-37/39
  • Risk Codes 26-36/37/38
  • Molecular Structure Molecular Structure of 131-56-6 (2,4-Dihydroxybenzophenone)
  • Hazard Symbols IrritantXi
  • Synonyms 2,4-dihydroxybenzophanene (UV adsorbent);UV absorbers BP-1;UV 0;Sunsafe-BP1 (2,4-Dihydroxy Benzophenone);Methanone, (2,4-dihydroxyphenyl)phenyl-;UV-0;Methanone,(2,4-dihydroxyphenyl)phenyl-;Inhibitor DHBP;UF 1;Uvinol 400;Seesorb 100;Uvistat 12;(2,4-dihydroxyphenyl)-phenyl-methanone;Benzophenone, 2,4-dihydroxy-;Aduvex 12;Uvinul 3000;Uvinul M 400;Syntase 100;2,4-Hydroxybenzophenone;Quansorb-1;Benzophenone-1 (UV-0);2,4-DihydroxyBenzophenone(Benzophenone-1);
  • PSA 57.53000
  • LogP 2.32880

Synthetic route

Benzotrichlorid
98-07-7

Benzotrichlorid

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With ethanol; water at 60 - 80℃; for 9h; Temperature; Green chemistry;99%
With water In ethanol at 40 - 50℃; for 4h; Temperature; Large scale;97.6%
With ethanol und Eintragen des Reaktionsgemisches in heisses Wasser;
benzoic acid
65-85-0

benzoic acid

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With phosphotungstic acid In 5,5-dimethyl-1,3-cyclohexadiene at 130℃; for 5h; Catalytic behavior; Temperature; Friedel-Crafts Acylation;99%
With aluminum oxide; methanesulfonic acid at 140℃; for 0.5h;85%
With bismuth(lll) trifluoromethanesulfonate In neat (no solvent) at 180℃; for 0.5h; Friedel-Crafts Acylation; Microwave irradiation; chemoselective reaction;85%
benzoyl chloride
98-88-4

benzoyl chloride

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With aluminum (III) chloride In chlorobenzene at 90℃;97.1%
With zinc at 50 - 52℃; for 0.0152778h; Friedel-Crafts acylation; microwave irradiation;70%
benzoic acid anhydride
93-97-0

benzoic acid anhydride

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With 5% CeO2 doped HZSM-5 zeolite In ethanol at 73℃; for 4h; Concentration; Reagent/catalyst; Green chemistry;96.58%
With sulfuric acid at 130℃;
2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

benzene
71-43-2

benzene

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
Stage #1: benzene With polymer-supported phenyliodine(III) diacetate; sulfuric acid In acetic acid at 20℃; for 60h; Substitution;
Stage #2: 2,4-Dihydroxybenzaldehyde With sodium carbonate; lithium chloride; palladium dichloride In N,N-dimethyl-formamide at 60 - 70℃; for 4.5h; Substitution;
67%
diphenyliodonium bromide
1483-73-4

diphenyliodonium bromide

2,4-Dihydroxybenzaldehyde
95-01-2

2,4-Dihydroxybenzaldehyde

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With sodium carbonate; lithium chloride; palladium dichloride In N,N-dimethyl-formamide at 60℃; for 4h; Arylation;52%
2,4-diacetoxybenzophenone
75697-71-1

2,4-diacetoxybenzophenone

A

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

B

2-acetoxy-4-hydroxybenzophenone

2-acetoxy-4-hydroxybenzophenone

Conditions
ConditionsYield
With Candida cylindracea lipase In di-isopropyl ether; butan-1-ol at 28 - 30℃; for 40h;A 50%
B 35%
benzoic acid phenyl ester
93-99-2

benzoic acid phenyl ester

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In benzene for 3h; crossover Friess rearrangement; Heating;40%
recorcinol
108-46-3

recorcinol

3,6-dibenzoyloxy-1,2-pyridazine
848417-68-5

3,6-dibenzoyloxy-1,2-pyridazine

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With zinc(II) chloride at 120 - 130℃; for 7h;35%
benzene-1,2-diol
120-80-9

benzene-1,2-diol

benzoic acid
65-85-0

benzoic acid

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With zinc(II) chloride; trichlorophosphate at 65℃; for 3h;30%
2,4-dimethoxybenzophenone
3555-84-8

2,4-dimethoxybenzophenone

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With aluminum tri-bromide; benzene
benzamide
55-21-0

benzamide

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With zinc(II) chloride; trichlorophosphate at 130 - 140℃;
benzoyl chloride
98-88-4

benzoyl chloride

recorcinol
108-46-3

recorcinol

A

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

B

resorcinol dibenzoate
94-01-9

resorcinol dibenzoate

Conditions
ConditionsYield
With carbon disulfide; aluminium trichloride
benzonitrile
100-47-0

benzonitrile

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With hydrogenchloride; diethyl ether; zinc(II) chloride und Kochen des entstandenen Ketimidhydrochlorids mit Wasser;
Darstellung durch Kondensation und nachfolgende Hydrolyse nach Hoesch;
N-phenyl-benzimidoyl chloride
4903-36-0

N-phenyl-benzimidoyl chloride

recorcinol
108-46-3

recorcinol

A

N-phenyl benzoyl amide
93-98-1

N-phenyl benzoyl amide

B

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
Verseifen des Reaktionsprodkts mit warmer verduennter Salzsaeure;
N-phenyl-benzimidoyl chloride
4903-36-0

N-phenyl-benzimidoyl chloride

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
at 100℃; und nachfolgendes Erwaermen mit verd.Salzsaeure;
N-phenyl benzoyl amide
93-98-1

N-phenyl benzoyl amide

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With zinc(II) chloride; trichlorophosphate at 130 - 140℃;
benzoic acid ethyl ester
93-89-0

benzoic acid ethyl ester

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With zinc(II) chloride at 140℃;
2,4-diacetoxybenzophenone
75697-71-1

2,4-diacetoxybenzophenone

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With water; trifluoroacetic acid at 65℃; for 2h;54 % Spectr.
With water; trifluoroacetic acid at 65℃; Rate constant;
benzamide
55-21-0

benzamide

(E)-3-Ureido-but-2-enoic acid ethyl ester
5435-44-9, 22243-66-9

(E)-3-Ureido-but-2-enoic acid ethyl ester

recorcinol
108-46-3

recorcinol

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
at 140℃;
resorcinolbenzein

resorcinolbenzein

A

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

B

9-phenyl-9H-xanthene-3,6-diol
101937-13-7

9-phenyl-9H-xanthene-3,6-diol

Conditions
ConditionsYield
With potassium hydroxide
6-hydroxy-9-phenyl-3H-xanthen-3-one
7282-86-2

6-hydroxy-9-phenyl-3H-xanthen-3-one

alcoholic potash

alcoholic potash

A

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

B

3.6-dioxy-9-phenyl-xanthene

3.6-dioxy-9-phenyl-xanthene

water
7732-18-5

water

Benzotrichlorid
98-07-7

Benzotrichlorid

recorcinol
108-46-3

recorcinol

A

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

B

resorcinolbenzein

resorcinolbenzein

benzoic acid
65-85-0

benzoic acid

recorcinol
108-46-3

recorcinol

ZnCl2

ZnCl2

A

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

B

resorcinolbenzein

resorcinolbenzein

Conditions
ConditionsYield
at 160℃;
1.3-dibenzoyloxy-benzene

1.3-dibenzoyloxy-benzene

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With aluminium trichloride at 180℃;
2.4-dioxy-benzophenon-anil

2.4-dioxy-benzophenon-anil

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With hydrogenchloride
UDP-glucose
133-89-1

UDP-glucose

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

C19H20O8

C19H20O8

Conditions
ConditionsYield
With C-glycosyltransferase from Mangifera indica In methanol at 40℃; for 12h; pH=6.6; Enzymatic reaction;100%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

allyl bromide
106-95-6

allyl bromide

2-hydroxy-4-prop-2-enyloxybenzophenone
2549-87-3

2-hydroxy-4-prop-2-enyloxybenzophenone

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 60℃; for 6h;98%
With potassium carbonate; potassium iodide In acetone for 4h; Heating;
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

3-(tosyloxy)benzyl alcohol
1425968-55-3

3-(tosyloxy)benzyl alcohol

2,4-bis[3'-(tosyloxy)benzyloxy]benzophenone

2,4-bis[3'-(tosyloxy)benzyloxy]benzophenone

Conditions
ConditionsYield
With potassium carbonate In acetone at 60℃; for 24h;98%
3-(1H-imidazol-1-yl)propan-1-amine
5036-48-6

3-(1H-imidazol-1-yl)propan-1-amine

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

C19H19N3O2
1334482-81-3

C19H19N3O2

Conditions
ConditionsYield
In toluene for 17.5h; Inert atmosphere; Reflux;97.7%
formaldehyd
50-00-0

formaldehyd

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

chitosan hydrochloride SC12181, DDA 80%, Mw 9 kDa, Mn 2 kDa

chitosan hydrochloride SC12181, DDA 80%, Mw 9 kDa, Mn 2 kDa

N-((2,6-dihydroxy-3-benzoyl)phenyl)methylated chitosan DS 0.4

N-((2,6-dihydroxy-3-benzoyl)phenyl)methylated chitosan DS 0.4

Conditions
ConditionsYield
Stage #1: formaldehyd; chitosan hydrochloride SC12181, DDA 80%, Mw 9 kDa, Mn 2 kDa In water at 65℃; for 1h;
Stage #2: 2.4-dihydroxybenzophenone In methanol; water at 65℃; for 24h;
96%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

Trimethylenediamine
109-76-2

Trimethylenediamine

N,N'-bis-(4-(hydroxybenzophenylidene))-1,3-propylenediaminenickel(II)

N,N'-bis-(4-(hydroxybenzophenylidene))-1,3-propylenediaminenickel(II)

Conditions
ConditionsYield
Stage #1: 2.4-dihydroxybenzophenone; Trimethylenediamine In methanol for 24h; Reflux;
Stage #2: nickel(II) acetate tetrahydrate In methanol for 48h; Reflux;
96%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

ethylenediamine
107-15-3

ethylenediamine

C15H16N2O2

C15H16N2O2

Conditions
ConditionsYield
In methanol for 16h; Reflux;96%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

1-Chlorooctane
111-85-3

1-Chlorooctane

Cyasorb UV531
1843-05-6

Cyasorb UV531

Conditions
ConditionsYield
With sodium carbonate; potassium carbonate at 98 - 120℃; Temperature;95.3%
With sodium carbonate In N,N-dimethyl-formamide at 70℃; for 8h; Temperature; Reagent/catalyst; Solvent;95%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

methyl chloroformate
79-22-1

methyl chloroformate

Carbonic acid 4-benzoyl-3-methoxycarbonyloxy-phenyl ester methyl ester

Carbonic acid 4-benzoyl-3-methoxycarbonyloxy-phenyl ester methyl ester

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran 0 deg C to room temp., 0.5 to 1 h;95%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

11-bromoundecanoic acid ethyl ester
6271-23-4

11-bromoundecanoic acid ethyl ester

ethyl 11-(4-benzoyl-3-hydroxyphenoxy)undecanoate
36414-96-7

ethyl 11-(4-benzoyl-3-hydroxyphenoxy)undecanoate

Conditions
ConditionsYield
With potassium carbonate In acetone at 60℃; for 48h;95%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

Di-tert-butyl acetylenedicarboxylate
66086-33-7

Di-tert-butyl acetylenedicarboxylate

di-tert-butyl 6-benzoyl-2-(tert-butylamino)-5-hydroxy-4H-chromene-3,4-dicarboxylate
1222096-61-8

di-tert-butyl 6-benzoyl-2-(tert-butylamino)-5-hydroxy-4H-chromene-3,4-dicarboxylate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24.1667h; regioselective reaction;95%
formaldehyd
50-00-0

formaldehyd

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

chitosan hydrochloride SC12181, DDA 80%, Mw 9 kDa, Mn 2 kDa

chitosan hydrochloride SC12181, DDA 80%, Mw 9 kDa, Mn 2 kDa

N-((2,6-dihydroxy-3-benzoyl)phenyl)methylated chitosan DS 0.1

N-((2,6-dihydroxy-3-benzoyl)phenyl)methylated chitosan DS 0.1

Conditions
ConditionsYield
Stage #1: formaldehyd; chitosan hydrochloride SC12181, DDA 80%, Mw 9 kDa, Mn 2 kDa In water at 65℃; for 1h;
Stage #2: 2.4-dihydroxybenzophenone In methanol; water at 65℃; for 24h;
95%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

Benzophenone-3
131-57-7

Benzophenone-3

Conditions
ConditionsYield
With sodium carbonate at 160 - 170℃; for 10h;94%
With tetrabutylammomium bromide; sodium carbonate In methanol at 170 - 175℃; under 22502.3 - 30003 Torr; Temperature; Reagent/catalyst; Pressure; Large scale;86.1%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

1,3-Diamino-2-hydroxypropane
616-29-5

1,3-Diamino-2-hydroxypropane

N,N'-bis-(4-(hydroxybenzophenylidene))-2-hydroxy-1,3-propylenediaminenickel(II)

N,N'-bis-(4-(hydroxybenzophenylidene))-2-hydroxy-1,3-propylenediaminenickel(II)

Conditions
ConditionsYield
Stage #1: 2.4-dihydroxybenzophenone; 1,3-Diamino-2-hydroxypropane In methanol for 12h; Reflux;
Stage #2: nickel(II) acetate tetrahydrate In methanol for 12h; Reflux;
94%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

1,2-diaminopropan
78-90-0, 10424-38-1

1,2-diaminopropan

N,N'-bis-(4-(hydroxybenzophenylidene))-1,2-propylenediaminenickel(II)

N,N'-bis-(4-(hydroxybenzophenylidene))-1,2-propylenediaminenickel(II)

Conditions
ConditionsYield
Stage #1: 2.4-dihydroxybenzophenone; 1,2-diaminopropan In methanol for 18h; Reflux;
Stage #2: nickel(II) acetate tetrahydrate In methanol for 12h; Reflux;
94%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Cyclohexyl isocyanide
931-53-3

Cyclohexyl isocyanide

Di-tert-butyl acetylenedicarboxylate
66086-33-7

Di-tert-butyl acetylenedicarboxylate

di-tert-butyl 6-benzoyl-2-(cyclohexylamino)-5-hydroxy-4H-chromene-3,4-dicarboxylate
1222096-56-1

di-tert-butyl 6-benzoyl-2-(cyclohexylamino)-5-hydroxy-4H-chromene-3,4-dicarboxylate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24.1667h; regioselective reaction;93%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Trimethylenediamine
109-76-2

Trimethylenediamine

C29H26N2O4*0.5C3H10N2

C29H26N2O4*0.5C3H10N2

Conditions
ConditionsYield
In methanol at 65 - 75℃; for 2h;91.6%
formaldehyd
50-00-0

formaldehyd

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

dimethyl amine
124-40-3

dimethyl amine

3-(dimethylaminomethyl)-2,4-dihydroxybenzophenone

3-(dimethylaminomethyl)-2,4-dihydroxybenzophenone

Conditions
ConditionsYield
With hydrogenchloride In methanol; water at 25℃; for 24h; Mannich reaction;91%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

methylene chloride
74-87-3

methylene chloride

Benzophenone-3
131-57-7

Benzophenone-3

Conditions
ConditionsYield
With tetrabutyl-ammonium chloride; sodium carbonate In tert-butyl methyl ether; water; chlorobenzene at 100℃; under 2250.23 Torr; for 2h; Temperature; Solvent; Reagent/catalyst; Pressure; Autoclave;91%
4,4'-azobis(4-cyanopentanoic acid chloride)

4,4'-azobis(4-cyanopentanoic acid chloride)

2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Di-(3-hydroxy-4-benzoylphenyl)trans-4,4'-azobis(4-cyanovalerate)

Di-(3-hydroxy-4-benzoylphenyl)trans-4,4'-azobis(4-cyanovalerate)

Conditions
ConditionsYield
With pyridine In dichloromethane90.5%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

(2,4-dinitro-phenyl)-hydrazine
119-26-6

(2,4-dinitro-phenyl)-hydrazine

2,4-dihydroxybenzophenone 2,4-dinitrophenylhydrazone

2,4-dihydroxybenzophenone 2,4-dinitrophenylhydrazone

Conditions
ConditionsYield
With sulfuric acid In methanol at 50℃; for 0.5h;90%
With hydrogenchloride In tetrahydrofuran; ethanol
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

vinyl propionate
105-38-4

vinyl propionate

A

4-hydroxy-2-vinyloxyphenyl phenyl ketone

4-hydroxy-2-vinyloxyphenyl phenyl ketone

B

2-hydroxy-4-vinyloxyphenyl phenyl ketone

2-hydroxy-4-vinyloxyphenyl phenyl ketone

Conditions
ConditionsYield
With sodium carbonate; chloro(1,5-cyclooctadiene)iridium(I) dimer In toluene at 100℃; for 3h;A 2%
B 90%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

Cyclohexyl isocyanide
931-53-3

Cyclohexyl isocyanide

acetylenedicarboxylic acid diethyl ester
762-21-0

acetylenedicarboxylic acid diethyl ester

diethyl 6-benzoyl-2-(cyclohexylamino)-5-hydroxy-4H-chromene-3,4-dicarboxylate
1222096-55-0

diethyl 6-benzoyl-2-(cyclohexylamino)-5-hydroxy-4H-chromene-3,4-dicarboxylate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24.1667h; regioselective reaction;90%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

2,3-dimethyl-7-[(3-methylbut-2-en-1-yl)oxy]-4-oxo-4H-chromene-8-carbaldehyde
1235254-10-0

2,3-dimethyl-7-[(3-methylbut-2-en-1-yl)oxy]-4-oxo-4H-chromene-8-carbaldehyde

(1R,14R)-20-benzoyl-21-hydroxy-5,6,15,15-tetramethyl-4,12,16-trioxapentacyclo[12.8.0.02,11.03,8.017,22]docosa-2(11),3(8),5,9,17,19,21-heptaen-7-one

(1R,14R)-20-benzoyl-21-hydroxy-5,6,15,15-tetramethyl-4,12,16-trioxapentacyclo[12.8.0.02,11.03,8.017,22]docosa-2(11),3(8),5,9,17,19,21-heptaen-7-one

Conditions
ConditionsYield
With ethylenediamine diacetic acid; triethylamine In acetonitrile at 80 - 85℃; for 12h; Diels-Alder Cycloaddition; stereoselective reaction;90%
2,4-dihydroxybenzophenone
131-56-6

2,4-dihydroxybenzophenone

1-(2,5-dimethylfuran-3-yl)-3-(2-hydroxyphenyl)prop-2-en-1-one

1-(2,5-dimethylfuran-3-yl)-3-(2-hydroxyphenyl)prop-2-en-1-one

(6-(2,5-dimethylfuran-3-yl)-1-hydroxy-12H-6,12-methanodibenzo[d,g][1,3]dioxocin-2-yl)(phenyl)methanone

(6-(2,5-dimethylfuran-3-yl)-1-hydroxy-12H-6,12-methanodibenzo[d,g][1,3]dioxocin-2-yl)(phenyl)methanone

Conditions
ConditionsYield
With ethylenediamine diacetic acid In toluene at 20℃; for 8h; Michael Addition; Inert atmosphere; Reflux; regioselective reaction;89%

2,4-Dihydroxybenzophenone Specification

1.Introduction of 2,4-Dihydroxybenzophenone

The 2,4-Dihydroxybenzophenone, with its CAS NO 131-56-6, is a kind of White or Light yellow crystalline powder. It has synonyms of 2,4-dihydroxybenzophanene (UV adsorbent);UV absorbers BP-1;UV 0;Sunsafe-BP1 (2,4-Dihydroxy Benzophenone);Methanone, (2,4-dihydroxyphenyl)phenyl-;UV-0 and Methanone,(2,4-dihydroxyphenyl)phenyl-. 2,4-Dihydroxybenzophenone should be stored in a closed system and be kept in a dark place without any light exposure and mainly used in plastics as light stabilizer, can effectively protect the organic glass and clothing, prevent deterioration due to sunlight, but also for intermediates in synthesis of other UV-absorbent .

2.Properties of 2,4-Dihydroxybenzophenone

(1) EINECS: 205-029-4  (2) Mol File: 131-56-6.mol  (3)Index of Refraction: 1.647
(4) Molar Refractivity: 59.8 cm3 (5) Molar Volume: 164.4 cm3 (6) Surface Tension: 59.6 dyne/cm
(7) Density: 1.302 g/cm3 (8) Flash Point: 215.3 °C  (9) Enthalpy of Vaporization: 68.68 kJ/mol
(10) Boiling Point: 409 °C at 760 mmHg  (11) Vapour Pressure: 2.84E-07 mmHg at 25 °C
 

3.Structure descriptors of 2,4-Dihydroxybenzophenone

SMILES:O=C(c1ccc(O)cc1O)c2ccccc2 

Std. InChI:InChI=1S/C13H10O3/c14-10-6-7-11(12(15)8-10)13(16)9-4-2-1-3-5-9/h1-8,14-15H

Std. InChIKey:ZXDDPOHVAMWLBH-UHFFFAOYSA-N

4.Safety information of 2,4-Dihydroxybenzophenone

Hazard Codes: IrritantXi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 2
RTECS: DJ0700000
Hazard Note: Irritant
 

5.Toxity data of 2,4-Dihydroxybenzophenone

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 100mg/kg (100mg/kg)   National Technical Information Service. Vol. AD277-689,
mouse LD50 intravenous 85mg/kg (85mg/kg)   British Journal of Pharmacology and Chemotherapy. Vol. 22, Pg. 221, 1964.
rat LD50 oral 8600mg/kg (8600mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: FOOD INTAKE (ANIMAL)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
Roczniki Panstwowego Zakladu Higieny. Vol. 19, Pg. 179, 1968.

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