Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic
Cas:480-18-2
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryNanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma
DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:480-18-2
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Type:Lab/Research institutions
inquiry(+-)-taxifolin Test/Observation Specifications Result Appearance White powder to brown powder Complies L
hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:480-18-2
Min.Order:1 Metric Ton
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Type:Manufacturers
inquiryUnique advantages for Taxifolin Cas 480-18-2 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Yellow powder Storage:Store below -20°C Package:1g/foill bag Application:As medi
Cas:480-18-2
Min.Order:1 Gram
FOB Price: $180.0 / 182.0
Type:Trading Company
inquiryWe are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,
Cas:480-18-2
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Type:Manufacturers
inquiryTaxifolin CAS No.:480-18-2 Name: Taxifolin Synonyms: (2R,3R)-3,3',4',5,7-Pentahydroxyflavanone; (2R,3R)-Dihydroquercetin Molecular Structure: Molecular Formula: C15H12O7 Molecular Weight: 304.25 CAS
Cas:480-18-2
Min.Order:1 Kilogram
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Type:Other
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:480-18-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:480-18-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryName:Dihydroquercetin Name:Dihydroquercetin CAS no: 480-18-2 Grade:It is suitable for food, cosmetics, industry, medicine, feed and other industries molecular formula: c15h12o7 molecular weight: 304.25 Product Quality 12 years of
Cas:480-18-2
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:480-18-2
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:480-18-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:480-18-2
Min.Order:10 Kilogram
FOB Price: $160.0 / 200.0
Type:Trading Company
inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:480-18-2
Min.Order:1 Kilogram
FOB Price: $18.0 / 22.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:480-18-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryName: (+-)-taxifolin Synonyms: (+/-)-Taxifolin anhydrous CAS:480-18-2 MF: C15H12O7 Appearance: Light yellow powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Nutrition Enhancers Transportation:By sea
Appearance:white to light yellow powder Storage:Room temperature Package:1kg/bag Application:anti-oxidation Transportation:Express/Sea/Air Port:Any port in china
Cas:480-18-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:480-18-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:480-18-2
Min.Order:10 Gram
FOB Price: $0.6
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At pres
Cas:480-18-2
Min.Order:1 Gram
FOB Price: $9.5 / 11.8
Type:Trading Company
inquiryTaxifolin CAS: 480-18-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, s
Cas:480-18-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi
Cas:480-18-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:480-18-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Lorcaserin(856681-05-5)is an orally administered agent and a selective 5-HT2C receptor agonist for the treatment of obesity. It had been approved for marketing in US by FDA on 27 June in 2012. In clinical studies, lorcaserin h
Cas:480-18-2
Min.Order:100 Metric Ton
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Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:480-18-2
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Type:Lab/Research institutions
inquiry(2R,3R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychroman-4-one
taxifolin
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In tetrahydrofuran; methanol at 20℃; for 24h; | 90% |
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; methanol for 48h; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: K2CO3 / dimethylformamide / 3 h / 130 °C 1.2: 81 percent / NaH / dimethylformamide / 3 h / 20 °C 2.1: 85 percent / Pb3O4 / benzene / 3 h / 75 - 80 °C 3.1: 90 percent / K2CO3 / methanol; tetrahydrofuran / 2 h / 20 °C 4.1: 85 percent / tetrapropylammonium perruthenate; 4-methylmorpholine N-oxide; MgSO4 / CH2Cl2 / 3 h / 20 °C 5.1: 90 percent / H2 / Pd/C / methanol; tetrahydrofuran / 24 h / 20 °C View Scheme | |
With extract of Burkholderia oxyphila OX-01, Japan, Tsukuba, acidic forest soil In aq. phosphate buffer at 28℃; for 3h; pH=7; | |
Multi-step reaction with 4 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 20 h / 20 °C / Inert atmosphere 2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1 h / 20 °C / Inert atmosphere 2.2: 20 °C / Inert atmosphere 3.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; 1,4-dioxane; water / 8 h / 0 - 20 °C / Inert atmosphere 4.1: palladium 10% on activated carbon; hydrogen / methanol; tetrahydrofuran / 48 h / Inert atmosphere View Scheme |
(2R,3R)-5,7,3',4'-tetrahydroxyflavanonol 2"-acetylrhamnoside
taxifolin
Conditions | Yield |
---|---|
With sulfuric acid In 1,4-dioxane at 100℃; for 1h; |
taxifolin
Conditions | Yield |
---|---|
With hydrogenchloride at 55℃; for 0.5h; pH=< 1; | 55% |
taxifolin O-α-D-glucoside
taxifolin
Conditions | Yield |
---|---|
With water; Saccharomyces cerevisiae α-glucosidase at 30℃; for 18h; pH=7.3; Enzymatic reaction; Potassium phosphate buffer; |
(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
taxifolin
Conditions | Yield |
---|---|
With extract of Burkholderia oxyphila OX-01, Japan, Tsukuba, acidic forest soil In aq. phosphate buffer at 30℃; for 3h; pH=7; |
taxifolin
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 0 - 5℃; for 5h; Large scale; | 41.3 kg |
1-(2',4',6'-trihydroxyphenyl)-2-hydroxyethanone
3,4-dihydroxybenzaldehyde
taxifolin
Conditions | Yield |
---|---|
Stage #1: 1-(2',4',6'-trihydroxyphenyl)-2-hydroxyethanone; 3,4-dihydroxybenzaldehyde With rac-Pro-OH In tetrahydrofuran at 85 - 100℃; for 6h; Stage #2: With acetic acid In tetrahydrofuran at 20℃; for 2h; Solvent; Temperature; | 36.7 g |
(-)-chalcone epoxide
taxifolin
Conditions | Yield |
---|---|
With hydrogenchloride In methanol at 50℃; for 0.333333h; | 82% |
taxifolin
Conditions | Yield |
---|---|
With sulfuric acid; water for 2h; Hydrolysis; Heating; | 70% |
With hesperidinase In water at 37℃; for 36h; | 37 mg |
With hydrogenchloride; water In methanol at 80℃; for 0.75h; Kinetics; Activation energy; Temperature; Concentration; |
3,3',4',5,7-pentahydroxy flavanone
A
(2S,3S)-taxifolin 3-O-β-D-glucoside
B
taxifolin
Conditions | Yield |
---|---|
With DAICEL CHIRALPAK IA In ethanol; hexane Resolution of racemate; |
Conditions | Yield |
---|---|
With hesperidase In water at 37℃; for 456h; enzimatic hydrolysis; | A 23 mg B 48 mg |
With hydrogenchloride In water at 50℃; for 16h; | A 15 mg B 32 mg |
(2R,3S)-3,5,7-tris(benzyloxy)-2-(3,4-bis(benzyloxy)phenyl)chroman
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / Pb3O4 / benzene / 3 h / 75 - 80 °C 2: 90 percent / K2CO3 / methanol; tetrahydrofuran / 2 h / 20 °C 3: 85 percent / tetrapropylammonium perruthenate; 4-methylmorpholine N-oxide; MgSO4 / CH2Cl2 / 3 h / 20 °C 4: 90 percent / H2 / Pd/C / methanol; tetrahydrofuran / 24 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; 1,4-dioxane; water / 8 h / 0 - 20 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / methanol; tetrahydrofuran / 48 h / Inert atmosphere View Scheme |
(+)-3',4',3,5,7-penta-O-benzyl-(4S)-hydroxycatechine
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / tetrapropylammonium perruthenate; 4-methylmorpholine N-oxide; MgSO4 / CH2Cl2 / 3 h / 20 °C 2: 90 percent / H2 / Pd/C / methanol; tetrahydrofuran / 24 h / 20 °C View Scheme |
(+)-(4S)-acetoxy-3',4',3,5,7-penta-O-benzylcatechine
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 90 percent / K2CO3 / methanol; tetrahydrofuran / 2 h / 20 °C 2: 85 percent / tetrapropylammonium perruthenate; 4-methylmorpholine N-oxide; MgSO4 / CH2Cl2 / 3 h / 20 °C 3: 90 percent / H2 / Pd/C / methanol; tetrahydrofuran / 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: aluminum (III) chloride / dichloromethane / 2 h / 5 - 10 °C / Large scale 1.2: 4 h / 10 - 20 °C / Large scale 2.1: 3-chloro-benzenecarboperoxoic acid / methanol / 4 h / 5 - 15 °C / Large scale 3.1: trifluoroacetic acid / dichloromethane / 5 h / 0 - 5 °C / Large scale View Scheme | |
Multi-step reaction with 5 steps 1.1: sodium hydride / N,N-dimethyl-formamide / 0.17 h / 0 °C / Inert atmosphere 1.2: 5 h / -5 °C / Inert atmosphere 2.1: trifluoromethylsulfonic anhydride / dichloromethane / 0.08 h / -5 °C / Inert atmosphere 2.2: -5 °C / Inert atmosphere 3.1: sodium hydroxide; dihydrogen peroxide / methanol / 5 h / 20 °C / Inert atmosphere 4.1: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 5.1: Resolution of racemate View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid In ethanol; water for 3h; Heating; | A 12 mg B 32 mg |
(E)-3-(3,4-bis(methoxymethoxy)phenyl)-1-(2,4,6-tris(methoxymethoxy)phenyl)-prop-2-en-1-one
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydroxide; dihydrogen peroxide / methanol / 5 h / 20 °C / Inert atmosphere 2: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 3: Resolution of racemate View Scheme |
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 2: Resolution of racemate View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: sulfuric acid / methanol / 1 h / 20 °C / Inert atmosphere 1.2: 0 °C / Inert atmosphere 2.1: sodium hydroxide / methanol; tetrahydrofuran / Inert atmosphere 3.1: trifluoromethylsulfonic anhydride / dichloromethane / 0.08 h / -5 °C / Inert atmosphere 3.2: -5 °C / Inert atmosphere 4.1: sodium hydroxide; dihydrogen peroxide / methanol / 5 h / 20 °C / Inert atmosphere 5.1: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 6.1: Resolution of racemate View Scheme |
5,7,3',4'-tetra-O-benzyl-(+)-catechin
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1 h / 20 °C / Inert atmosphere 1.2: 20 °C / Inert atmosphere 2.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; 1,4-dioxane; water / 8 h / 0 - 20 °C / Inert atmosphere 3.1: palladium 10% on activated carbon; hydrogen / methanol; tetrahydrofuran / 48 h / Inert atmosphere View Scheme |
1,3,5-tris(methoxymethoxy)benzene
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: trifluoromethylsulfonic anhydride / dichloromethane / 0.08 h / -5 °C / Inert atmosphere 1.2: -5 °C / Inert atmosphere 2.1: sodium hydroxide; dihydrogen peroxide / methanol / 5 h / 20 °C / Inert atmosphere 3.1: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 4.1: Resolution of racemate View Scheme |
(E)-3-(3,4-bis(methoxymethoxy)phenyl)acrylic acid
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: trifluoromethylsulfonic anhydride / dichloromethane / 0.08 h / -5 °C / Inert atmosphere 1.2: -5 °C / Inert atmosphere 2.1: sodium hydroxide; dihydrogen peroxide / methanol / 5 h / 20 °C / Inert atmosphere 3.1: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 4.1: Resolution of racemate View Scheme |
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sodium hydroxide / methanol; tetrahydrofuran / Inert atmosphere 2.1: trifluoromethylsulfonic anhydride / dichloromethane / 0.08 h / -5 °C / Inert atmosphere 2.2: -5 °C / Inert atmosphere 3.1: sodium hydroxide; dihydrogen peroxide / methanol / 5 h / 20 °C / Inert atmosphere 4.1: hydrogenchloride / methanol; water; tetrahydrofuran / 2 h / 55 °C / Inert atmosphere 5.1: Resolution of racemate View Scheme |
A
D-glucose
B
(-)-epitaxifolin
C
taxifolin
Conditions | Yield |
---|---|
With pectinase In water Ambient temperature; | A n/a B 20 mg C 3 g |
(+/-)-taxifolin
A
(2S,3S)-taxifolin 3-O-β-D-glucoside
B
taxifolin
Conditions | Yield |
---|---|
With acetic acid In water; acetonitrile Resolution of racemate; | |
Resolution of racemate; |
Conditions | Yield |
---|---|
In water at 37℃; for 1h; hesperidinase; Yield given. Yields of byproduct given; |
(2R,3R)-(+)-dihydroquercetin-3-β-D-glucopyranoside
A
D-glucose
B
taxifolin
Conditions | Yield |
---|---|
With sulfuric acid In ethanol for 2h; Heating; | A n/a B 48 mg |
caffeic acid chloride
taxifolin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: aluminum (III) chloride / dichloromethane / 2 h / 5 - 10 °C / Large scale 1.2: 4 h / 10 - 20 °C / Large scale 2.1: 3-chloro-benzenecarboperoxoic acid / methanol / 4 h / 5 - 15 °C / Large scale 3.1: trifluoroacetic acid / dichloromethane / 5 h / 0 - 5 °C / Large scale View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium hydride / tetrahydrofuran / 2 h / 5 °C 1.2: 4 h / 25 °C 2.1: dihydrogen peroxide / tetrahydrofuran; water / 4 h / 25 °C 3.1: hydrogenchloride / 0.5 h / 55 °C / pH < 1 View Scheme |
Conditions | Yield |
---|---|
Stage #1: n-octanoic acid chloride; taxifolin In 1,4-dioxane at 20℃; for 0.166667h; Stage #2: With pyridine In 1,4-dioxane at 20℃; for 16h; | 86% |
Stage #1: n-octanoic acid chloride; taxifolin In 1,4-dioxane at 20℃; for 0.166667h; Stage #2: With pyridine In 1,4-dioxane for 16h; | 79% |
taxifolin
Conditions | Yield |
---|---|
With p-nitrophenyl sulfate; arylsulfate sulfotransferase from Desulfitobacterium hafniense In acetone at 30℃; for 4h; pH=8.9; Inert atmosphere; Enzymatic reaction; | 75% |
Conditions | Yield |
---|---|
With α-glucosidase from sulfolobus solfataricus In dimethyl sulfoxide at 45℃; for 2h; pH=9; Enzymatic reaction; | 99% |
Conditions | Yield |
---|---|
With ammonia In ethanol at 20℃; for 1h; pH=5 - 7; Temperature; | 86.3% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; acetic acid In ethanol; water for 0.5h; pH=4.5; Inert atmosphere; | 22% |
With sodium tetrahydroborate; water; acetic acid 1.) EtOH, 30 min, 2.) EtOH; Multistep reaction; | |
With sodium tetrahydroborate In ethanol Inert atmosphere; | |
Stage #1: taxifolin With sodium tetrahydroborate; ethanol at 20℃; for 0.75h; Stage #2: catechin With hydrogenchloride In water for 1h; | 200 mg |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 20℃; for 1h; | |
Stage #1: taxifolin With sodium tetrahydroborate In ethanol at 20℃; for 1h; Stage #2: for 0.5h; |
taxifolin
(+)-(2R,3S,4S)-3,4,5,7,3',4'-hexahydroxyflavan
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaBH4 / ethanol / 2 h / Ambient temperature 2: 0.05 M citrate-Pi buffer, pH 2.6 / 0.5 h / 40 °C View Scheme | |
With NADPH In aq. buffer at 45℃; for 0.5h; pH=6; Enzymatic reaction; |
taxifolin
(2R,3S,4R)-(+)-3,4,5,7,3',4'-hexahydroxyflavan
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 20℃; for 2h; | 75% |
With sodium tetrahydroborate In ethanol for 2h; Ambient temperature; | |
With sodium tetrahydroborate In ethanol for 2h; |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 1h; | 86.3% |
Conditions | Yield |
---|---|
In ethanol at 45℃; for 72h; | 64% |
Conditions | Yield |
---|---|
In water at 92℃; for 0.4h; Time; Industrial scale; | 84% |
acetic anhydride
taxifolin
2-(3,4-diacetoxyphenyl)-4-oxochroman-3,5,7-triyl triacetate
Conditions | Yield |
---|---|
With pyridine for 18h; Ambient temperature; | 88% |
With pyridine at 90℃; for 3h; Acetylation; | 47% |
In pyridine |
(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
taxifolin
procyanidin B4
Conditions | Yield |
---|---|
With sodium tetrahydroborate | |
Stage #1: taxifolin With sodium tetrahydroborate; ethanol at 20℃; for 0.75h; Stage #2: (2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol With hydrogenchloride In water for 1h; | 200 mg |
D-Glucose
taxifolin
(2R,3R)-(+)-3',4',5,7-tetrahydroxydihydroflavonol-6-C-β-D-glucopyranoside
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In water; acetonitrile for 48h; Reagent/catalyst; Solvent; Inert atmosphere; Reflux; stereoselective reaction; | 35% |
taxifolin
Conditions | Yield |
---|---|
With N-Bromosuccinimide In acetone at 25℃; for 0.716667h; regiospecific reaction; | 94% |
With 2,3-dibromo-3-phenylpropanoic acid; potassium carbonate In N,N-dimethyl-formamide at 60℃; for 16h; Inert atmosphere; | 46% |
With hypobromous acid In ethanol; water at 20℃; aq. phosphate buffer; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol at 120 - 130℃; for 10h; Temperature; | 70 g |
α-lipoic acid chloride
taxifolin
Conditions | Yield |
---|---|
Stage #1: α-lipoic acid chloride; taxifolin In 1,4-dioxane at 20℃; for 0.116667h; Stage #2: With pyridine In 1,4-dioxane at 20℃; for 4h; | 1.8 g |
5-((3R)-1,2-dithiolan-3-yl)pentanoyl chloride
taxifolin
Conditions | Yield |
---|---|
Stage #1: 5-((3R)-1,2-dithiolan-3-yl)pentanoyl chloride; taxifolin In 1,4-dioxane at 20℃; for 0.116667h; Stage #2: With pyridine In 1,4-dioxane at 20℃; for 19h; | 1.8 g |
taxifolin
epigallocatechin
Conditions | Yield |
---|---|
With apple polyphenol oxidase In aq. phosphate buffer at 35℃; for 1h; pH=4; Enzymatic reaction; |
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