2-Bromo-4'-hydroxyacetophenone supplier

Name
2-Bromo-4'-hydroxyacetophenone
EINECS 219-655-0
CAS No. 2491-38-5
Article Data93
CAS DataBase
Density 1.622 g/cm³
Solubility
Melting Point 123-126°C
Formula C₈H₇BrO₂
Boiling Point 338.7 °C at 760 mmHg
Molecular Weight 215.046
Flash Point 158.6 °C
Transport Information
Appearance clear colorless to light yellow liquid
Safety 26
Risk Codes 22-36
Molecular Structure
Hazard Symbols C
Synonyms 4'-Hydroxy-2-bromoacetophenone;Busan 1130;4-Hydroxyphenacyl bromide;Busan 90;Butrol 1130;p-Hydroxyphenacyl bromide;a-Bromo-4'-hydroxyacetophenone;2-Bromo-1-(4-hydroxyphenyl)ethan-1-one;1-(4-Hydroxyphenyl)-2-bromoethanone;w-Bromo-p-hydroxyacetophenone;2-Bromo-4'-hydroxyacetophenone;
PSA 37.30000
LogP 1.96980

Synthetic route

: 99-93-4
4-Hydroxyacetophenone

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
With copper(ll) bromide In ethanol; chloroform for 3.5h; Reflux;	99.3%
With copper(ll) bromide In ethyl acetate at 20℃; for 2h;	96%
With bromine; zinc In water at 20℃; for 0.25h;	94%

: 13031-43-1
4-acetyloxyacetophenone

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
With bis(dimethylacetamide)hydrogen tribromide In methanol at 20 - 45℃; for 0.25h;	96%
Multi-step reaction with 2 steps 1: CS2; bromine 2: aq.-ethanolic HBr View Scheme
Multi-step reaction with 2 steps 1: bromine / chloroform / 3 h 2: hydrogenchloride / water / 4 h / Reflux View Scheme

: 99-93-4
4-Hydroxyacetophenone

A: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

B: 1836-06-2
3-bromo-4-hydroxyacetophenone

Conditions

Conditions	Yield
With phenyltrimethylammonium tribromide In methanol; chloroform for 0.5h; Product distribution; other reagent, var. solvents;	A 15% B 76%

: 41104-10-3
acetic acid 4-(2-bromoacetyl)phenyl ester

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
With hydrogenchloride In water for 4h; Reflux;	70%
With hydrogen bromide

: 100-66-3
methoxybenzene

: 598-21-0
2-Bromoacetyl bromide

A: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

B: 2491-36-3
2-(2-bromoacetyl)hydroxybenzene

Conditions

Conditions	Yield
With aluminium trichloride; 1,2-Dichloropropane
With aluminium trichloride; 1,2-Dichloropropane

...Expand

: 99-93-4
4-Hydroxyacetophenone

A: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

B: 2,2-dibromo-4'-hydroxyacetophenone

Conditions

Conditions	Yield
With bromine In 1,4-dioxane for 0.666667h; Ambient temperature;	A 10.3 g B 0.96 g
With bromine In 1,4-dioxane for 0.5h; Ambient temperature;	A 10.3 g B 0.96 g

: 620-72-4
phenyl 2-bromoacetate

A: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

B 2-bromo-1-<2-hydroxy-phenyl>-ethanone-(1): 2-bromo-1-<2-hydroxy-phenyl>-ethanone-(1)

Conditions

Conditions	Yield
With aluminium trichloride at 140℃;

: 108-95-2
phenol

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 150 - 155 °C 2: AlCl3 / 140 °C View Scheme

: C10H8Br2O3

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
Stage #1: C10H8Br2O3 With sodium In methanol for 3h; Stage #2: With water In methanol

: 7789-45-9
copper(II)bromide

: 99-93-4
4-Hydroxyacetophenone

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
In chloroform; ethyl acetate
In chloroform; ethyl acetate

: 7732-18-5
water

: sodium hydrogensulfite

: 99-93-4
4-Hydroxyacetophenone

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
With bromine In tetrahydrofuran

...Expand

: 7440-44-0
pyrographite

: 7789-45-9
copper(II)bromide

: 99-93-4
4-Hydroxyacetophenone

A: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

B 6-bromo-2-[4'-(2'-p-toluenesulfonyloxyethoxy)phenyl]imidazo[1,2-a]pyridine: 6-bromo-2-[4'-(2'-p-toluenesulfonyloxyethoxy)phenyl]imidazo[1,2-a]pyridine

Conditions

Conditions	Yield
In chloroform; ethyl acetate

...Expand

: 7789-45-9
copper(II)bromide

: 99-93-4
4-Hydroxyacetophenone

A: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

B: 956499-75-5
6-bromo-2-(4 - hydroxyphenyl)imidazo[1,2-a]pyridine

Conditions

Conditions	Yield
In chloroform; ethyl acetate

...Expand

: 70-70-2
4-hydroxypropiophenone

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

Conditions

Conditions	Yield
With bromine In acetic acid Cooling;

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 5029-61-8
2-bromo-1-(4-hydroxy-3-nitrophenyl)ethanone

Conditions

Conditions	Yield
With nitric acid In methanol at 0 - 20℃; for 3h; Large scale;	100%
With trifluoromethylsulfonic anhydride; tetramethylammonium nitrate In dichloromethane for 27h;	93%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 75-66-1
2-methylpropan-2-thiol

: 2-tert-butylsulfanyl-1-(4-hydroxy-phenyl)-ethanone

Conditions

Conditions	Yield
With sodium hydride In tetrahydrofuran	100%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1233329-45-7
(R)-((R)-quinuclidin-3-yl) 2-phenyl-2-(phenylamino)-acetate

: 1233330-73-8
(R)-1-(2-(4-hydroxyphenyl)-2-oxoethyl)-3-((R)-2-phenyl-2-(phenylamino)acetoxy)-1-azoniabicyclo[2.2.2]octane bromide

Conditions

Conditions	Yield
With I2 In ethyl acetate	100%
In ethyl acetate at 20℃; for 15h;	100%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 77287-34-4, 77287-35-5, 60100-09-6
formamide

: 68535-65-9
4-(1H-imidazol-4-yl)phenol

Conditions

Conditions	Yield
at 150℃; for 24h;	99%
at 170 - 180℃; Inert atmosphere;	52%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1147550-11-5
ammonium thiocyanate

: 56430-88-7
1-(4-hydroxyphenyl)-2-thiocyanato-1-ethanone

Conditions

Conditions	Yield
Stage #1: ammonium thiocyanate With montmorillonite K10 clay In acetone at 20℃; for 0.666667h; Stage #2: 2-bromo-1-(4'-hydroxyphenyl)-1-ethanone at 20℃; for 0.00833333h; Neat (no solvent); Grinding;	98%
In dichloromethane at 20℃;

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 13139-14-5
Boc-Trp-OH

: 1365571-06-7
N-tBOC-L-tryptophan 4-hydroxyphenacyl ester

Conditions

Conditions	Yield
With potassium carbonate In N,N-dimethyl-formamide	98%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 7410-53-9
1-(4-aminophenyl)ethylidenethiosemicarbazide

: 4-(2-(2-(1-(4-aminophenyl)ethylidene)hydrazinyl)thiazol-4-yl)phenol

Conditions

Conditions	Yield
In isopropyl alcohol Microwave irradiation; Green chemistry;	97.53%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 3394-05-6
N-(3-hydroxyphenyl)thiourea

: 758688-95-8
3-(4-(4-hydroxyphenyl)thiazol-2-ylamino)phenol

Conditions

Conditions	Yield
In ethanol at 71℃; for 0.0125h; Microwave irradiation;	96%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 20816-46-0
α,α-dimethyl-p-hydroxyphenacyl acetate

Conditions

Conditions	Yield
With silver(I) acetate In N,N-dimethyl-formamide at 50℃; for 3h; Inert atmosphere; Darkness;	96%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 873-55-2
sodium benzenesulfonate

: 896109-70-9
1-(4-hydroxyphenyl)-2-(phenylsulfonyl)ethanone

Conditions

Conditions	Yield
With PEG-400 at 20℃; for 0.166667h;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 709-72-8
3-nitrophenylthiourea

: 824945-93-9
4-(2-(3-nitrophenylamino)thiazol-4-yl)phenol

Conditions

Conditions	Yield
In ethanol at 71℃; for 0.0125h; Microwave irradiation;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 3696-22-8
p-nitrophenylthiourea

: 708280-53-9
4-(2-(4-nitrophenylamino)thiazol-4-yl)phenol

Conditions

Conditions	Yield
In ethanol at 71℃; for 0.0125h; Microwave irradiation;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 17356-08-0
thiourea

: 40353-60-4
4-(2-aminothiazol-4-yl)phenol

Conditions

Conditions	Yield
In ethanol at 71℃; for 0.0125h; Microwave irradiation;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1449604-26-5
1-(dibenzo[b,d]furan-2-yl(phenyl)methyl)-2-methyl-1H-imidazole

: 1-(dibenzo[b,d]furan-2-yl(phenyl)methyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-2-methyl-1H-imidazol-3-ium bromide

Conditions

Conditions	Yield
In acetone; toluene at 20℃; Reflux;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1449604-27-6
1-(dibenzo[b,d]furan-2-yl(phenyl)methyl)-1H-benzo[d]imidazole

: 1449604-73-2
1-(dibenzo[b,d]furan-2-yl(phenyl)methyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-1H-benzo[d]imidazol-3-ium bromide

Conditions

Conditions	Yield
In acetone; toluene at 20℃; Reflux;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1449604-22-1
1-(1-(dibenzo[b,d]furan-2-yl)ethyl)-1H-imidazole

: 1449604-31-2
1-(1-(dibenzo[b,d]furan-2-yl)ethyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-1H-imidazol-3-ium bromide

Conditions

Conditions	Yield
In acetone; toluene at 20℃; Reflux;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1449604-25-4
1-(dibenzo[b,d]furan-2-yl(phenyl)methyl)-1H-imidazole

: 1449604-56-1
1-(dibenzo[b,d]furan-2-yl(phenyl)methyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-1H-imidazol-3-ium bromide

Conditions

Conditions	Yield
In acetone; toluene at 20℃; Reflux;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1449604-23-2
1-(1-(dibenzo[b,d]furan-2-yl)ethyl)-2-methyl-1H-imidazole

: 1449604-39-0
1-(1-(dibenzo[b,d]furan-2-yl)ethyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-2-methyl-1H-imidazol-3-ium bromide

Conditions

Conditions	Yield
In acetone; toluene at 20℃; Reflux;	95%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 98-88-4
benzoyl chloride

: 5324-15-2
4'-benzoyloxy-2-bromoacetophenone

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Schlenk technique;	95%

: 811-98-3
d(4)-methanol

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: C9H6(2)H3BrO2

Conditions

Conditions	Yield
Stage #1: 2-bromo-1-(4'-hydroxyphenyl)-1-ethanone With triphenylphosphine In tetrahydrofuran for 0.166667h; Cooling with ice; Stage #2: d(4)-methanol With di-isopropyl azodicarboxylate In tetrahydrofuran at 20℃; for 2h; Cooling with ice;	94.5%

: 1520-26-9
2-hydroxyphenylthiourea

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1173282-18-2
2-(4-(4-hydroxyphenyl)thiazol-2-ylamino)phenol

Conditions

Conditions	Yield
In ethanol at 71℃; for 0.0125h; Microwave irradiation;	94%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1718-39-4
(4-aminosulfonylphenyl)thiourea

: 708995-83-9
4-(4-(4-hydroxyphenyl)thiazol-2-ylamino)benzenesulfonamide

Conditions

Conditions	Yield
In ethanol at 71℃; for 0.0125h; Microwave irradiation;	94%
In ethanol; N,N-dimethyl-formamide at 80℃; for 5h;	84%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1449604-24-3
1-(1-(dibenzo[b,d]furan-2-yl)ethyl)-1Hbenzo[d]imidazole

: 1449604-47-0
1-(1-(dibenzo[b,d]furan-2-yl)ethyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-1H-benzo[d]imidazol-3-ium bromide

Conditions

Conditions	Yield
In acetone; toluene at 20℃; Reflux;	94%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1422034-47-6
1-((benzofuran-2-yl)methyl)-1H-benzo[d]imidazole

: 1454785-25-1
1-((benzofuran-2-yl)methyl)-3-(2-(4-hydroxyphenyl)-2-oxoethyl)-1H-benzo[d]imidazol-3-ium bromide

Conditions

Conditions	Yield
In toluene Reflux;	94%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 1004-18-8
N4-methylpyrimidine-2,4-diamine

: 4-(7-(methylamino)imidazo[1,2-a]pyrimidin-2-yl)phenol

Conditions

Conditions	Yield
In acetone at 65℃; Inert atmosphere;	94%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 120-20-7
2-(3,4-dimethoxyphenyl)-ethylamine

: 2-[2-(3,4-dimethoxy-phenyl)-ethylamino]-1-(4-hydroxy-phenyl)-ethanone hydrochloride

Conditions

Conditions	Yield
Stage #1: 2-(3,4-dimethoxyphenyl)-ethylamine In acetonitrile for 0.166667h; Cooling with ice; Stage #2: 2-bromo-1-(4'-hydroxyphenyl)-1-ethanone In acetonitrile	94%

: 2491-38-5
2-bromo-1-(4'-hydroxyphenyl)-1-ethanone

: 99-56-9
4-Nitrophenylene-1,2-diamine

: 1415328-10-7
4-(6-nitroquinoxalin-2-yl)phenol

Conditions

Conditions	Yield
In dimethyl sulfoxide at 20℃;	93.6%
In dimethyl sulfoxide at 20℃; for 10h;	58%
In dimethyl sulfoxide at 20℃; for 0.166667h;	58%

2-Bromo-4'-hydroxyacetophenone Specification

1. Introduction of 2-Bromo-4'-hydroxyacetophenone

The 2-Bromo-4'-hydroxyacetophenone, with its CAS NO 2491-38-5, is a kind of off-white solid. It has synonyms of 4'-Hydroxy-2-bromoacetophenone;Busan 1130;4-Hydroxyphenacyl bromide;Busan 90;Butrol 1130;p-Hydroxyphenacyl bromide;a-Bromo-4'-hydroxyacetophenone;2-Bromo-1-(4-hydroxyphenyl)ethan-1-one;1-(4-Hydroxyphenyl)-2-bromoethanone and w-Bromo-p-hydroxyacetophenone. 2-Bromo-4'-hydroxyacetophenone should be stored in shady and cool warehouse and mainly used as organic synthesis.

2.Properties of 2-Bromo-4'-hydroxyacetophenone

(1) Molecular Weight 215.04398 [g/mol] (2) Molecular Formula C8H7BrO2 (3) XLogP3 2.4
(4) H-Bond Donor 1 (5) H-Bond Acceptor 2 (6) Rotatable Bond Count 2
(7) Tautomer Count 7 (8) Exact Mass 213.962942 (9) MonoIsotopic Mass 213.962942
(10) Topological Polar Surface Area 37.3 (11) Heavy Atom Count 11 (12) Complexity 139
(13)Covalently-Bonded Unit Count 1 (14) Feature 3D Acceptor Count 1 (15) Feature 3D Donor Count 1
(16) Feature 3D Hydrophobe Count 1 (17) Feature 3D Ring Count 1 (18) Effective Rotor Count 2
(19) Conformer Sampling RMSD 0.4 (20) CID Conformer Count 13

3.Structure descriptors of 2-Bromo-4'-hydroxyacetophenone

IUPAC Name: 2-bromo-1-(4-hydroxyphenyl)ethanone

InChI: InChI=1S/C8H7BrO2/c9-5-8(11)6-1-3-7(10)4-2-6/h1-4,10H,5H2

InChIKey: LJYOFQHKEWTQRH-UHFFFAOYSA-N

Canonical SMILES : C1=CC(=CC=C1C(=O)CBr)O

Product Name

2-Bromo-4'-hydroxyacetophenone

Synthetic route

2-Bromo-4'-hydroxyacetophenone Specification

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