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548-83-4

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Galangal Root Extract
Cas No: 548-83-4
USD $ 15.0-15.0 / Kilogram 1 Kilogram 1000 Kilogram/Month Greenutra Resource Inc Contact Supplier
Galangin Manufacturer/High quality/Best price/In stock
Cas No: 548-83-4
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High quality Galangin supplier in China
Cas No: 548-83-4
No Data 1 Metric Ton 30 Metric Ton/Month Simagchem Corporation Contact Supplier
548-83-4 4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2-phenyl-
Cas No: 548-83-4
USD $ 40.0-50.0 / Gram 1 Gram 1000 Metric Ton/Day WUHAN MULEI NEW MATERIAL CO., LTD Contact Supplier
Galangal Extract Powder Galangin 98%
Cas No: 548-83-4
USD $ 105.0-105.0 / Gram 5 Gram 100 Kilogram/Month Shaanxi Yuantai Biological Technology Co., Ltd. Contact Supplier
TIANFUCHEM--548-83-4--High purity Galangin in stock
Cas No: 548-83-4
USD $ 2000.0-2000.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
Top Purity CAS 548-83-4 with fast shipping
Cas No: 548-83-4
USD $ 139.0-210.0 / Kilogram 1 Kilogram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier
BLOOM TECH Advanced API/Technology support Galangin CAS 548-83-4
Cas No: 548-83-4
No Data 1 Gram 3 Metric Ton/Month Shaanxi BLOOM TECH Co.,Ltd Contact Supplier
4H-1-Benzopyran-4-one,3,5,7-trihydroxy-2-phenyl-
Cas No: 548-83-4
USD $ 4.0-10.0 / Gram 10 Gram 1000 Metric Ton/Week HUBEI AOKS BIO-TECH CO.,LTD Contact Supplier
Beat price/Galangal Extract Galangin , Galangal Extract alpinin 10%~90% CAS NO.548-83-4
Cas No: 548-83-4
USD $ 1900.0-2000.0 / Kilogram 1 Kilogram 1000 Kilogram/Week Hebei Bosang International Trade Co.,Ltd. Contact Supplier

548-83-4 Usage

Definition

ChEBI: A 7-hydroxyflavonol with additional hydroxy groups at positions 3 and 5 respectively.

Uses

Galangin is a flavanoid found in Alpinia officinarum, galangal rhizome (Alpinia galanga) and in propolis. Galangin has been show to inhibit proliferation of estrogen receptor-positive MCF-7 human brea st cancer cells as well as delay of mammary tumorigenesis.

Chemical Properties

Yellow powder

Uses

CYP1A1 inhibitor, vasodilator
InChI:InChI=1/C15H10O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,16-17,19H

548-83-4 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (L14223)  3,5,7-Trihydroxyflavone, 97%    548-83-4 100mg 2794.0CNY Detail
Alfa Aesar (L14223)  3,5,7-Trihydroxyflavone, 97%    548-83-4 25mg 1005.0CNY Detail

548-83-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name galangin

1.2 Other means of identification

Product number -
Other names NORIZALPININ

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:548-83-4 SDS

548-83-4Synthetic route

3,5,7-trimethoxyflavone
26964-29-4

3,5,7-trimethoxyflavone

galangin
548-83-4

galangin

Conditions
ConditionsYield
Stage #1: 3,5,7-trimethoxyflavone With boron tribromide In dichloromethane at 20℃; for 24h;
Stage #2: With water In dichloromethane
83%
5,7-bis(benzyloxy)-3-hydroxy-2-phenyl-4H-chromen-4-one

5,7-bis(benzyloxy)-3-hydroxy-2-phenyl-4H-chromen-4-one

galangin
548-83-4

galangin

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; dichloromethane under 760.051 Torr; for 6h;73%
2-benzoyloxy-1-(2,4,6-tris-benzoyloxy-phenyl)-ethanone

2-benzoyloxy-1-(2,4,6-tris-benzoyloxy-phenyl)-ethanone

potassium acetate
127-08-2

potassium acetate

acetic anhydride
108-24-7

acetic anhydride

galangin
548-83-4

galangin

Conditions
ConditionsYield
Behandeln des Reaktionsprodukts mit Natronlauge;
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
65982-77-6

2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone

benzoic acid anhydride
93-97-0

benzoic acid anhydride

galangin
548-83-4

galangin

Conditions
ConditionsYield
With sodium benzoate at 165 - 170℃; Verseifen des Reaktionsprodukts mit alkoh. Kalilauge;
3-phenyl-1-(2,4,6-trihydroxyphenyl)prop-2-en-1-one
82451-30-7, 4197-97-1

3-phenyl-1-(2,4,6-trihydroxyphenyl)prop-2-en-1-one

galangin
548-83-4

galangin

Conditions
ConditionsYield
With air; methylene blue In methanol for 81h; Irradiation;54 % Turnov.
galanginin - 3,5,7-trihydroxyflavone 3-O-β-D-glucopyranoside
68592-14-3

galanginin - 3,5,7-trihydroxyflavone 3-O-β-D-glucopyranoside

galangin
548-83-4

galangin

Conditions
ConditionsYield
With water; hydrogen cation
N,N,N',N'-tetramethyl-para-phenylenediamine
100-22-1

N,N,N',N'-tetramethyl-para-phenylenediamine

galangin radical

galangin radical

A

galangin
548-83-4

galangin

B

N,N,N',N'-tetramethyl-para-semiquinonediimine
100-22-1

N,N,N',N'-tetramethyl-para-semiquinonediimine

Conditions
ConditionsYield
at 20℃; Equilibrium constant; pH=13.5;
at 20℃; Rate constant; Equilibrium constant; pH=13.5;
galangin-8-sulfonate

galangin-8-sulfonate

galangin
548-83-4

galangin

Conditions
ConditionsYield
With hydrogenchloride for 2h; Heating;2.3 mg
galangin-3-O-β-D-glucoside-8-sulfonate

galangin-3-O-β-D-glucoside-8-sulfonate

galangin
548-83-4

galangin

Conditions
ConditionsYield
With sulfuric acid for 1h; Heating;3.2 mg
galangin-5.7-dimethyl ether

galangin-5.7-dimethyl ether

galangin
548-83-4

galangin

Conditions
ConditionsYield
With hydrogen iodide
pinobanksin

pinobanksin

galangin
548-83-4

galangin

Conditions
ConditionsYield
With ethanol; iodine; sodium acetate
2,4,6-trihydroxyacetophenone
480-66-0

2,4,6-trihydroxyacetophenone

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. KOH / ethanol / 48 h / Ambient temperature
2: 54 percent Turnov. / air, methylene blue / methanol / 81 h / Irradiation
View Scheme
Multi-step reaction with 9 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 73 h
2.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 0 - 20 °C
3.1: tetrahydrofuran / 4 h / 0 - 20 °C
4.1: phosphonic acid diethyl ester; triethylamine / tetrahydrofuran / 0 - 20 °C
5.1: acetonitrile / 82 °C
6.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
7.1: sodium acetate / acetic acid / 12 h / 100 °C
8.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
8.2: Dowex 50W-X 8 resin / 20 °C
9.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
benzaldehyde
100-52-7

benzaldehyde

aminoguanidine salt

aminoguanidine salt

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. KOH / ethanol / 48 h / Ambient temperature
2: 54 percent Turnov. / air, methylene blue / methanol / 81 h / Irradiation
View Scheme
3,5-dihydroxyphenol
108-73-6

3,5-dihydroxyphenol

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diethyl ether; hydrogen chloride / Kochen des Reaktionsprodukts mit Alkohol
2: sodium benzoate / 165 - 170 °C / Verseifen des Reaktionsprodukts mit alkoh. Kalilauge
View Scheme
Multi-step reaction with 10 steps
1.1: boron trifluoride diethyl etherate / 49 h / 0 - 20 °C
2.1: potassium carbonate / N,N-dimethyl-formamide / 73 h
3.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 0 - 20 °C
4.1: tetrahydrofuran / 4 h / 0 - 20 °C
5.1: phosphonic acid diethyl ester; triethylamine / tetrahydrofuran / 0 - 20 °C
6.1: acetonitrile / 82 °C
7.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
8.1: sodium acetate / acetic acid / 12 h / 100 °C
9.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
9.2: Dowex 50W-X 8 resin / 20 °C
10.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
C36H28O5

C36H28O5

galangin
548-83-4

galangin

Conditions
ConditionsYield
With palladium on carbon In methanol; dichloromethane
3,5-dimethoxyphenol
500-99-2

3,5-dimethoxyphenol

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: aluminum (III) chloride / 1,1,2,2-tetrachloroethane / 20 °C
2: lithium diisopropyl amide / tetrahydrofuran
3: sulfuric acid; acetic acid / 0.5 h / 80 °C
4: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1: aluminum (III) chloride / 1,1,2,2-tetrachloroethane / 20 °C
2: lithium diisopropyl amide / tetrahydrofuran
3: sulfuric acid; acetic acid / 0.5 h / 80 °C
4: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1: aluminum (III) chloride / 1,1,2,2-tetrachloroethane / 20 °C
2: lithium diisopropyl amide / tetrahydrofuran
3: sulfuric acid; acetic acid / 0.5 h / 80 °C
4: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1: aluminum (III) chloride / 1,1,2,2-tetrachloroethane / 20 °C
2: triethylamine / dichloromethane / 0 - 20 °C
3: lithium diisopropyl amide / tetrahydrofuran / 1 h / -15 - 0 °C / Inert atmosphere
4: sulfuric acid; acetic acid / 0.5 h / 80 °C
5: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
1-(2-hydroxy-4,6-dimethoxy-phenyl)-2-methoxy-3-phenyl-1,3-propanedione
1385652-08-3

1-(2-hydroxy-4,6-dimethoxy-phenyl)-2-methoxy-3-phenyl-1,3-propanedione

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid; acetic acid / 0.5 h / 80 °C
2: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
C18H18O6
1385651-92-2

C18H18O6

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -15 - 0 °C / Inert atmosphere
2: sulfuric acid; acetic acid / 0.5 h / 80 °C
3: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
2'-hydroxy-2,4',6'-trimethoxyacetophenone
17874-42-9

2'-hydroxy-2,4',6'-trimethoxyacetophenone

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: lithium diisopropyl amide / tetrahydrofuran
2: sulfuric acid; acetic acid / 0.5 h / 80 °C
3: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: lithium diisopropyl amide / tetrahydrofuran
2: sulfuric acid; acetic acid / 0.5 h / 80 °C
3: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: lithium diisopropyl amide / tetrahydrofuran
2: sulfuric acid; acetic acid / 0.5 h / 80 °C
3: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1: triethylamine / dichloromethane / 0 - 20 °C
2: lithium diisopropyl amide / tetrahydrofuran / 1 h / -15 - 0 °C / Inert atmosphere
3: sulfuric acid; acetic acid / 0.5 h / 80 °C
4: boron tribromide / dichloromethane / 24 h / 20 °C
View Scheme
2-acetyl-3,5-bis(benzyloxy)phenyl benzoate
137790-51-3

2-acetyl-3,5-bis(benzyloxy)phenyl benzoate

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: tetrahydrofuran / 4 h / 0 - 20 °C
2.1: phosphonic acid diethyl ester; triethylamine / tetrahydrofuran / 0 - 20 °C
3.1: acetonitrile / 82 °C
4.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
5.1: sodium acetate / acetic acid / 12 h / 100 °C
6.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
6.2: Dowex 50W-X 8 resin / 20 °C
7.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
3,5-bis(benzyloxy)-2-(2-bromoacetyl)phenyl benzoate

3,5-bis(benzyloxy)-2-(2-bromoacetyl)phenyl benzoate

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: acetonitrile / 82 °C
2.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
3.1: sodium acetate / acetic acid / 12 h / 100 °C
4.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
4.2: Dowex 50W-X 8 resin / 20 °C
5.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
2-(2-(benzoyloxy)-4,6-bis(benzyloxy)phenyl)-2-oxoethyl benzoate

2-(2-(benzoyloxy)-4,6-bis(benzyloxy)phenyl)-2-oxoethyl benzoate

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
2.1: sodium acetate / acetic acid / 12 h / 100 °C
3.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
3.2: Dowex 50W-X 8 resin / 20 °C
4.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone
18065-05-9

1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 0 - 20 °C
2.1: tetrahydrofuran / 4 h / 0 - 20 °C
3.1: phosphonic acid diethyl ester; triethylamine / tetrahydrofuran / 0 - 20 °C
4.1: acetonitrile / 82 °C
5.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
6.1: sodium acetate / acetic acid / 12 h / 100 °C
7.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
7.2: Dowex 50W-X 8 resin / 20 °C
8.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
C29H22Br2O5

C29H22Br2O5

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: phosphonic acid diethyl ester; triethylamine / tetrahydrofuran / 0 - 20 °C
2.1: acetonitrile / 82 °C
3.1: lithium hexamethyldisilazane / hexane; tetrahydrofuran / 1 h / -78 °C
4.1: sodium acetate / acetic acid / 12 h / 100 °C
5.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
5.2: Dowex 50W-X 8 resin / 20 °C
6.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
C36H28O7

C36H28O7

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium acetate / acetic acid / 12 h / 100 °C
2.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
2.2: Dowex 50W-X 8 resin / 20 °C
3.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
C36H26O6

C36H26O6

galangin
548-83-4

galangin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium methylate / methanol; dichloromethane / 10 h / 20 °C
1.2: Dowex 50W-X 8 resin / 20 °C
2.1: palladium 10% on activated carbon; hydrogen / dichloromethane; tetrahydrofuran / 6 h / 760.05 Torr
View Scheme
galangin
548-83-4

galangin

acetic anhydride
108-24-7

acetic anhydride

3,5,7-triacetoxyflavone
113163-70-5

3,5,7-triacetoxyflavone

Conditions
ConditionsYield
With dmap In N,N-dimethyl-formamide for 0.166667h;87%
With pyridine at 20℃;
galangin
548-83-4

galangin

dimethyl sulfate
77-78-1

dimethyl sulfate

3,5,7-trimethoxyflavone
26964-29-4

3,5,7-trimethoxyflavone

Conditions
ConditionsYield
With potassium carbonate In acetone for 4h; Heating;67%
With potassium carbonate
With potassium carbonate In acetone for 4h; Heating;
ethyl bromide
74-96-4

ethyl bromide

galangin
548-83-4

galangin

MRS 1093

MRS 1093

Conditions
ConditionsYield
With potassium carbonate In acetone Ambient temperature;64%
galangin
548-83-4

galangin

1-iodo-propane
107-08-4

1-iodo-propane

MRS 1042

MRS 1042

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;63%
galangin
548-83-4

galangin

uridine-5'-diphosphoglucose
952585-00-1

uridine-5'-diphosphoglucose

galangin 8-C-β-D-glucoside
28225-12-9

galangin 8-C-β-D-glucoside

Conditions
ConditionsYield
With TcCGT1-C-glycosyltransferase from Trolliuschinensisuridine in complex with uridine diphosphate In aq. phosphate buffer; dimethyl sulfoxide pH=8; Enzymatic reaction;61.5%
galangin
548-83-4

galangin

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

3,7-dimethoxymethylgalangin
143724-68-9

3,7-dimethoxymethylgalangin

Conditions
ConditionsYield
With potassium carbonate In acetone for 2h; Ambient temperature;29%
galangin
548-83-4

galangin

acide 2,4,6-trihydroxybenzoique
83-30-7

acide 2,4,6-trihydroxybenzoique

Conditions
ConditionsYield
With potassium superoxide; tetraethylammonium bromide In N,N-dimethyl-formamide at 20℃; for 16.5h;27%
galangin
548-83-4

galangin

prenyl bromide
870-63-3

prenyl bromide

8-prenylgalangin
42193-83-9

8-prenylgalangin

Conditions
ConditionsYield
With tetraethylammonium iodide In various solvent(s) at 20℃; for 1.5h;14%
galangin
548-83-4

galangin

sodium methylate
124-41-4

sodium methylate

5,7-dihydroxy-3-methoxy-6-methyl-2-phenyl-chromen-4-one
93322-38-4

5,7-dihydroxy-3-methoxy-6-methyl-2-phenyl-chromen-4-one

Conditions
ConditionsYield
With methanol anschliessendes Erwaermen mit Methyljodid;
galangin
548-83-4

galangin

dimethyl sulfate
77-78-1

dimethyl sulfate

isalpinin
480-14-8

isalpinin

Conditions
ConditionsYield
With sodium hydrogencarbonate; acetone
galangin
548-83-4

galangin

dimethyl sulfate
77-78-1

dimethyl sulfate

5,7-dihydroxy-3-methoxyflavone
6665-74-3

5,7-dihydroxy-3-methoxyflavone

Conditions
ConditionsYield
With ethanol; sodium carbonate
methanol
67-56-1

methanol

galangin
548-83-4

galangin

sodium methylate
124-41-4

sodium methylate

methyl iodide
74-88-4

methyl iodide

A

5,7-dihydroxy-3-methoxy-6-methyl-2-phenyl-chromen-4-one
93322-38-4

5,7-dihydroxy-3-methoxy-6-methyl-2-phenyl-chromen-4-one

B

5-hydroxy-3,7-dimethoxyflavone
70786-48-0

5-hydroxy-3,7-dimethoxyflavone

C

5-hydroxy-3,7-dimethoxy-6-methyl-2-phenyl-chromen-4-one
727381-61-5

5-hydroxy-3,7-dimethoxy-6-methyl-2-phenyl-chromen-4-one

D

3,5,7-trimethoxyflavone
26964-29-4

3,5,7-trimethoxyflavone

galangin
548-83-4

galangin

A

isalpinin
480-14-8

isalpinin

B

5-hydroxy-3,7-dimethoxyflavone
70786-48-0

5-hydroxy-3,7-dimethoxyflavone

C

5,7-dihydroxy-3-methoxyflavone
6665-74-3

5,7-dihydroxy-3-methoxyflavone

Conditions
ConditionsYield
With O-methyl transferase from cell-free extract of Citrus mitis; <(14)CH3>-S-adenosyl-L-methionine; 2-hydroxyethanethiol In water; dimethyl sulfoxide at 35℃; for 0.5h; Product distribution; pH 7.5 buffer;
galangin
548-83-4

galangin

A

2,4,6-trihydroxybenzaldehyde
487-70-7

2,4,6-trihydroxybenzaldehyde

B

benzoic acid
65-85-0

benzoic acid

Conditions
ConditionsYield
With 18-crown-6 ether In tetrahydrofuran; toluene Product distribution; -10 deg C, then room temp.;
galangin
548-83-4

galangin

galangin radical

galangin radical

Conditions
ConditionsYield
With singlet oxygen In water at 20℃; Rate constant;
galangin
548-83-4

galangin

ethyl iodide
75-03-6

ethyl iodide

MRS 1041

MRS 1041

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;12 mg
galangin
548-83-4

galangin

acetone
67-64-1

acetone

dimethyl sulfate
77-78-1

dimethyl sulfate

sodium hydrogencarbonate

sodium hydrogencarbonate

isalpinin
480-14-8

isalpinin

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