Chinese Name: Glycyrrhizin English Name: Glabridin CAS No.: 59870-68-7 Molecular formula: C20H20O4 Molecular weight: three hundred and twenty-four point three seven Glabridin is a natural substance with excellent whitening effect, which can only
Nanjing 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
Cas:59870-68-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryGlabridin 1. Natural Licorice extract 2. Specification: 10%-98%(HPLC) 3. COA,MSDS offered 4. Prompt shippment Appearance:Reddish brown, white powder Storage:24 months Package: 1kg with double plastic container inside/Aluminum foil bag outside.
Cas:59870-68-7
Min.Order:1 Kilogram
FOB Price: $10.0 / 30000.0
Type:Trading Company
inquiryHanways focus on: -Pharmaceutical raw materials -Chemical raw materials -Food additives -Flavors and fragrances -Feed additives -Plant extracts -Veterinary raw materials We could supply you: -Best quality -Competitive price
Cas:59870-68-7
Min.Order:1 Kilogram
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Type:Trading Company
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:59870-68-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryItems Standard Results Appearance White to off-white powder Conform Assay Glabridin content&
Cas:59870-68-7
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquirySpecifications CAS No.: 59870-68-7 Other Names: licorice extract glabridin MF: C20H20O4 Place of Origin: Zhejiang, China (Mainland) Purity:
Cas:59870-68-7
Min.Order:1 Kilogram
FOB Price: $100.0 / 200.0
Type:Other
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or off-white powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:cosmetic raw material
Cas:59870-68-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryCompany profile Xi’an Quanao Biotech Co., Ltd. with 10 years experience in plant extract filed. Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Med
Cas:59870-68-7
Min.Order:1 Kilogram
FOB Price: $24.9 / 36.6
Type:Manufacturers
inquiryTNJ is a chemical company since 2001. Our specialization, your Confidence ! We keep committing to meet the needs of both market and customers with our innovative technology, high stable quality products and excellent service. We always combine econ
The 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
Cas:59870-68-7
Min.Order:1
Negotiable
Type:Other
inquiryAdvantage: 1. There is a base of licorice in Uzbekistan 2. More than 20 years of experience in the production of licorice products, began to produce licorice products in 1993 3. Professional international sales team 4. Fast delivery, save time for de
Cas:59870-68-7
Min.Order:1 Kilogram
FOB Price: $3100.0 / 3200.0
Type:Trading Company
inquiry1. 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:59870-68-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryProduct Name: Glabridin Powder Application: Comsmetics,Supplement,Food CAS No: 59870-68-7 Appearance: White Powder Purity: 99% Shelf Life: 2 Years Product Highlights: High purity, all-natural, quality rigorously controlled in the factory Appli
Cas:59870-68-7
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
Type:Lab/Research institutions
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:59870-68-7
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
Cas:59870-68-7
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiryName: Glabridin The alias:Light liquorice set CAS NO:59870-68-7 EINECS NO:600-850-8 Molecular formula:C20H20O4 Molecular weight:324.3704 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability
Cas:59870-68-7
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:59870-68-7
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
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:59870-68-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:59870-68-7
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:59870-68-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryChemical Name: Glabridin CAS No.: 59870-68-7 Molecular Formula: C20H20O4 EINECS: 1308068-626-2 Synonyms: 1,3-Benzenediol,4-(3,4-dihydro-8,8-dimethyl-2H,8H-benzo(1,2-b:3,4-b')dipyran-3-yl)-,(R);Bio-0904;BIDD:ER0172; Appearance: White
Cas:59870-68-7
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryAppearance:White crystalline powder Storage:R.T Package:25kg/drum Application:Face cream, mask, lotion, sunscreen products, etc Transportation:Express/Sea/Air Port:Any port in China
Cas:59870-68-7
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:59870-68-7
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:59870-68-7
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
inquiryGlabridin CAS: 59870-68-7 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
Cas:59870-68-7
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
Cas:59870-68-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySuperiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail English Name: Glycyrrhizic Flavone Use
Cas:59870-68-7
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiry(±)-glabridin
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane at -78 - 20℃; for 2h; | 84% |
With boron tribromide In dichloromethane at -78℃; for 2h; Inert atmosphere; | 79% |
(±)-glabridin
Conditions | Yield |
---|---|
With hydrogenchloride In water; isopropyl alcohol at 20℃; for 5h; |
1,3-Dimethoxybenzene
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 2.1: sulfur; morpholine / 12 h / 130 °C 2.2: 12 h / Reflux 3.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 3.2: 0.33 h / 55 °C 3.3: 3 h / 80 °C 4.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 5.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 6.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 6 steps 1.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 2.1: sulfur; morpholine / 12 h / 130 °C 2.2: 12 h / Reflux 3.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 3.2: 0.33 h / 55 °C 3.3: 3 h / 80 °C 4.1: acetic acid; hydrogen; 5%-palladium/activated carbon / ethanol; water / 12 h / 20 °C 5.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 6.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 7 steps 1.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 2.1: sulfur; morpholine / 12 h / 130 °C 2.2: 12 h / Reflux 3.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 3.2: 0.33 h / 55 °C 3.3: 3 h / 80 °C 4.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 5.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 6.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 7.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 7 steps 1.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 2.1: sulfur; morpholine / 12 h / 130 °C 2.2: 12 h / Reflux 3.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 3.2: 0.33 h / 55 °C 3.3: 3 h / 80 °C 4.1: hydrogen / N,N-dimethyl-formamide / 0.5 h / 22 °C / 760.05 Torr 5.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 6.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 7.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
2',4'-dimethoxyacetophenone
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sulfur; morpholine / 12 h / 130 °C 1.2: 12 h / Reflux 2.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 2.2: 0.33 h / 55 °C 2.3: 3 h / 80 °C 3.1: acetic acid; hydrogen; 5%-palladium/activated carbon / ethanol; water / 12 h / 20 °C 4.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 5.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 5 steps 1.1: sulfur; morpholine / 12 h / 130 °C 1.2: 12 h / Reflux 2.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 2.2: 0.33 h / 55 °C 2.3: 3 h / 80 °C 3.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 4.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 5.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 6 steps 1.1: sulfur; morpholine / 12 h / 130 °C 1.2: 12 h / Reflux 2.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 2.2: 0.33 h / 55 °C 2.3: 3 h / 80 °C 3.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 4.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 5.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 6.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 6 steps 1.1: sulfur; morpholine / 12 h / 130 °C 1.2: 12 h / Reflux 2.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 2.2: 0.33 h / 55 °C 2.3: 3 h / 80 °C 3.1: hydrogen / N,N-dimethyl-formamide / 0.5 h / 22 °C / 760.05 Torr 4.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 5.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 6.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
recorcinol
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: sodium hydroxide / water / 3 h / 0 - 70 °C 2.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 3.1: sulfur; morpholine / 12 h / 130 °C 3.2: 12 h / Reflux 4.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 4.2: 0.33 h / 55 °C 4.3: 3 h / 80 °C 5.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 6.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 7.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 7 steps 1.1: sodium hydroxide / water / 3 h / 0 - 70 °C 2.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 3.1: sulfur; morpholine / 12 h / 130 °C 3.2: 12 h / Reflux 4.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 4.2: 0.33 h / 55 °C 4.3: 3 h / 80 °C 5.1: acetic acid; hydrogen; 5%-palladium/activated carbon / ethanol; water / 12 h / 20 °C 6.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 7.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 8 steps 1.1: sodium hydroxide / water / 3 h / 0 - 70 °C 2.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 3.1: sulfur; morpholine / 12 h / 130 °C 3.2: 12 h / Reflux 4.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 4.2: 0.33 h / 55 °C 4.3: 3 h / 80 °C 5.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 6.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 7.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 8.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 8 steps 1.1: sodium hydroxide / water / 3 h / 0 - 70 °C 2.1: aluminum (III) chloride / dichloromethane / 1 h / 0 - 20 °C 3.1: sulfur; morpholine / 12 h / 130 °C 3.2: 12 h / Reflux 4.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 4.2: 0.33 h / 55 °C 4.3: 3 h / 80 °C 5.1: hydrogen / N,N-dimethyl-formamide / 0.5 h / 22 °C / 760.05 Torr 6.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 7.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 8.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
2,4-dimethoxyphenylacetic acid
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 1.2: 0.33 h / 55 °C 1.3: 3 h / 80 °C 2.1: acetic acid; hydrogen; 5%-palladium/activated carbon / ethanol; water / 12 h / 20 °C 3.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 4.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 1.2: 0.33 h / 55 °C 1.3: 3 h / 80 °C 2.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 3.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 4.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 5 steps 1.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 1.2: 0.33 h / 55 °C 1.3: 3 h / 80 °C 2.1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 3.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 4.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 5.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 5 steps 1.1: boron trifluoride diethyl etherate / 0.17 h / 100 °C 1.2: 0.33 h / 55 °C 1.3: 3 h / 80 °C 2.1: hydrogen / N,N-dimethyl-formamide / 0.5 h / 22 °C / 760.05 Torr 3.1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 4.1: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 5.1: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
3-(2,4-dimethoxyphenyl)-7-hydroxy-4H-chromen-4-one
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; hydrogen; 5%-palladium/activated carbon / ethanol; water / 12 h / 20 °C 2: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 3: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 2: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 3: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: acetic acid; hydrogen; platinum on carbon / 12 h / 100 °C 2: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 3: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 4: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: hydrogen / N,N-dimethyl-formamide / 0.5 h / 22 °C / 760.05 Torr 2: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 3: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 4: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 2: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
3-(2,4-dimethoxyphenyl)-7-hydroxychroman-4-one
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid; phenylboronic acid / toluene / 12 h / Reflux; Inert atmosphere 2: lithium aluminium tetrahydride / diethyl ether / 6 h / Reflux 3: boron tribromide / dichloromethane / 2 h / -78 - 20 °C View Scheme |
7-hydroxy-2H-chromen-2-one
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(II) choride dihydrate / acetonitrile / 10 h / 20 °C 2: bromine / N,N-dimethyl-formamide / 2 h / Cooling with ice 3: 1.5 h / 180 °C 4: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide; water / 2 h / 90 °C 5: lithium borohydride / tetrahydrofuran / 20 °C 6: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane / 10 h / Cooling with ice 7: boron tribromide / dichloromethane / 2 h / -78 °C / Inert atmosphere View Scheme |
7-((2-methylbut-3-yn-2-yl)oxy)-2H-chromen-2-one
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: bromine / N,N-dimethyl-formamide / 2 h / Cooling with ice 2: 1.5 h / 180 °C 3: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide; water / 2 h / 90 °C 4: lithium borohydride / tetrahydrofuran / 20 °C 5: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane / 10 h / Cooling with ice 6: boron tribromide / dichloromethane / 2 h / -78 °C / Inert atmosphere View Scheme |
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 1.5 h / 180 °C 2: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide; water / 2 h / 90 °C 3: lithium borohydride / tetrahydrofuran / 20 °C 4: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane / 10 h / Cooling with ice 5: boron tribromide / dichloromethane / 2 h / -78 °C / Inert atmosphere View Scheme |
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide; water / 2 h / 90 °C 2: lithium borohydride / tetrahydrofuran / 20 °C 3: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane / 10 h / Cooling with ice 4: boron tribromide / dichloromethane / 2 h / -78 °C / Inert atmosphere View Scheme |
(±)-glabridin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: lithium borohydride / tetrahydrofuran / 20 °C 2: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane / 10 h / Cooling with ice 3: boron tribromide / dichloromethane / 2 h / -78 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 10h; | 66% |
(±)-glabridin
N,N-dimethyl-formamide
Conditions | Yield |
---|---|
With trichlorophosphate at 100℃; for 3h; Cooling with ice; |
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