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Wuhan Zenuo Biological Medicine Technology Co Ltd

Why did you choose us Strict quality control: good raw materials, good quality, Zenuo Biology has always regarded quality as the life of the enterprise. Zenuo Biology has an independent quality control department and long-term cooperation with t

Manufactuered in China Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:100 Gram

Negotiable

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Test Items Specifications Results Appearance White or almost white, crystalline powder Conforms Solubility

High purity Various Specifications dexamethasone-21-acetate CAS:1177-87-3

Cas:1177-87-3

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Kono Chem Co.,Ltd

CAS No.: 1177-87-3 EINECS No.: / Place of Origin: China (Mainland) Purity: 99%min Appearance: White Powder Brand Name: kono Model Number: 117

high quality dexamethasone-17-acetate bulk supply

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $80.0 / 100.0

Type:Other

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Ality Chemical Corporation

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

Factory Supply Dexamethasone 21-acetate

Cas:1177-87-3

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

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

Factory Price API 99% Dexamethasone-17-acetate 1177-87-3 GMP Manufacturer

Cas:1177-87-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

Dexamethasone acetate

Cas:1177-87-3

Min.Order:5 Milligram

Negotiable

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom 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

Dexamethasone Acetate

Cas:1177-87-3

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

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

Dexamethasone 21-acetate

Cas:1177-87-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

1 Factory price 2 High quality 3 Good service 4 Prompt service ProName: Dexamethasone-17-acetate CasNo: 1177-87-3 Appearance: white powder Application: For Research DeliveryTime: 1-3days PackAge: 1kg/Aluminium foil b

Dexamethasone-17-acetate 1177-87-3

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $720.0 / 800.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 11 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.

Dexamethasone-17-acetate 1177-87-3

Cas:1177-87-3

Min.Order:1 Gram

FOB Price: $40.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

New production CAS 1177-87-3 with best quality

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:1 Gram

Negotiable

Type:Trading Company

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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 email in time prod

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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LIDE PHARMACEUTICALS LIMITED

Advantage : 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&amp

Dexamethasone-17-acetate/ LIDE PHARMA- Factory supply / Best price

Cas:1177-87-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Name: dexamethasone-21-acetate CAS: 1177-87-3 Molecular formula: C24H31FO6 Molecular weight: 434.4977 Appearance:White Powder Storage:Store in cool and dry plac

dexamethasone-21-acetate

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White or almost white crystalline powder Storage:ln stock Package:25kg/Barrel Application:Anti-inflammatory, anti-allergic and anti-shock effects Transportation:Express/Sea/Air Port:Shanghai

Hot raw materials Dexamethasone acetate cas:1177-87-3 with high quality

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $846.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s

Wuhan Fortuna Chemical Co.,Ltd

CASNO.:1177-87-3 M.F.:C24H31FO6 M.W.:434.5 Package:1kg/tin Specif… Package:1kg/tin Application:Derivative of dexamethasone, a potent synthetic member of the glucocorticoid class of steroid drugs. Port:ShangHai

Dexamethasone-17-acetate 1177-87-3

Cas:1177-87-3

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.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

Dexamethasone-17-acetate 1177-87-3

Cas:1177-87-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: Dexamethasone-17-acetate Synonyms: 20-dione,9-fluoro-11-beta,17,21-trihydroxy-16-alpha-methyl-pregna-4-diene-3;9alpha-Fluoro-16alpha-methylprednisolone acetate;9-Fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione21-ac

Dexamethasone Acetate

Cas:1177-87-3

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our 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 prese

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $1800.0 / 2000.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Dexamethasone-17-acetate CAS: 1177-87-3 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

Dexamethasone-17-acetate CAS: 1177-87-3

Cas:1177-87-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

GMP/DMF/COS/CEP Storage:2-8°C Package:as client requirement Application:1177-87-3 Transportation:Express, Air ,Sea Port:Any port of China

Dexamethasone Acetate

Cas:1177-87-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Wonda Pharm Limited

1.High Quality: Quality is life. Quality is the most important element for all goods. We have a lab doing research in Wuhan China and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers

Dexamethasone acetate

Cas:1177-87-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd,Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all em

D. P. Powder CAS: 1177-87-3

Cas:1177-87-3

Min.Order:1 Gram

FOB Price: $95.0 / 100.0

Type:Trading Company

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:1 Kilogram

FOB Price: $45.0 / 65.0

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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 etc. 3) OEM/ODM Available;

Henan Wentao Chemical Product Co., Ltd.

Henan 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

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:packaged in foil bags or tins Application:Use only for laboratory research Transportation:Sea,Air,DHL/TNT/FEdex/UPS/EMS Por

Dexamethasone-17-acetate

Cas:1177-87-3

Min.Order:10 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Synthetic route

21-acetoxy-9-fluoro-11β,17-dihydroxy-16α-methyl-pregn-4-ene-3,20-dione
1524-94-3

21-acetoxy-9-fluoro-11β,17-dihydroxy-16α-methyl-pregn-4-ene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
With selenium(IV) oxide
21-acetoxy-9,11β-epoxy-17-hydroxy-16α-methyl-9β-pregna-1,4-diene-3,20-dione
912-38-9, 2884-51-7, 14622-51-6, 98573-86-5

21-acetoxy-9,11β-epoxy-17-hydroxy-16α-methyl-9β-pregna-1,4-diene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
With tetrahydrofuran; chloroform; hydrogen fluoride
17α,21-dihydroxy-9β,11β-epoxy-16α-methylpregna-1,4-diene-3,20-dione 21-acetate
2884-51-7

17α,21-dihydroxy-9β,11β-epoxy-16α-methylpregna-1,4-diene-3,20-dione 21-acetate

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
With hydrogen fluoride In N,N-dimethyl-formamide at -10℃; for 3h; Temperature;
With hydrogen fluoride In chloroform
16β-methyl-17a,11β,21-trihydroxy-9-bromopregna-4-ene-3,20-dione-21-acetate
34542-57-9

16β-methyl-17a,11β,21-trihydroxy-9-bromopregna-4-ene-3,20-dione-21-acetate

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium acetate; ethanol
2: THF; CHCl3; HF
3: SeO2
View Scheme
21-acetoxy-9,11β-epoxy-17-hydroxy-16α-methyl-9β-pregn-4-ene-3,20-dione
18769-18-1, 34542-58-0, 104111-24-2, 104527-32-4

21-acetoxy-9,11β-epoxy-17-hydroxy-16α-methyl-9β-pregn-4-ene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: THF; CHCl3; HF
2: SeO2
View Scheme
17,21-dihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione
19784-87-3

17,21-dihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: mit Hilfe von Pestalotia foedans
4: sodium acetate; acetic acid
5: N-bromo-acetamide; dichloromethane; tert-butyl alcohol / Reagens 4: wss. Perchlorsaeure, Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton
6: CHCl3; THF; HF
View Scheme
21-acetoxy-17-hydroxy-16α-methyl-11α-(toluene-4-sulfonyloxy)-pregna-1,4-diene-3,20-dione
115606-30-9

21-acetoxy-17-hydroxy-16α-methyl-11α-(toluene-4-sulfonyloxy)-pregna-1,4-diene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium acetate; acetic acid
2: N-bromo-acetamide; dichloromethane; tert-butyl alcohol / Reagens 4: wss. Perchlorsaeure, Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton
3: CHCl3; THF; HF
View Scheme
11α,17,21-trihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione
78761-59-8

11α,17,21-trihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
3: sodium acetate; acetic acid
4: N-bromo-acetamide; dichloromethane; tert-butyl alcohol / Reagens 4: wss. Perchlorsaeure, Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton
5: CHCl3; THF; HF
View Scheme
21-acetoxy-11α,17-dihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione
6242-16-6

21-acetoxy-11α,17-dihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
2: sodium acetate; acetic acid
3: N-bromo-acetamide; dichloromethane; tert-butyl alcohol / Reagens 4: wss. Perchlorsaeure, Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton
4: CHCl3; THF; HF
View Scheme
17α,21-dihydroxy-16α-methyl-1,4,9(11)-pregnatriene-3,20-dione 21-acetate
10106-41-9

17α,21-dihydroxy-16α-methyl-1,4,9(11)-pregnatriene-3,20-dione 21-acetate

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N-bromo-acetamide; dichloromethane; tert-butyl alcohol / Reagens 4: wss. Perchlorsaeure, Erwaermen des Reaktionsprodukts mit Kaliumacetat in Aceton
2: CHCl3; THF; HF
View Scheme
dexamethasone
50-02-2

dexamethasone

acetic anhydride
108-24-7

acetic anhydride

betamethasone
1177-87-3

betamethasone

Conditions
ConditionsYield
With sodium acetate In tetrahydrofuran; acetone at 40℃; for 5h; Inert atmosphere;
5-methylthiophene-2-carbonyl chloride
31555-59-6

5-methylthiophene-2-carbonyl chloride

betamethasone
1177-87-3

betamethasone

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(5'-methyl-2'-thenoate) 21-acetate
83880-83-5

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(5'-methyl-2'-thenoate) 21-acetate

Conditions
ConditionsYield
With dmap In dichloromethane; N,N-dimethyl-formamide for 72h; Ambient temperature;11%
betamethasone
1177-87-3

betamethasone

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
In ethanol at 24 - 26℃; for 96h; Penicillium decumbens ATCC 10436, potato dextrose broth;5%
With methanol; sodium carbonate at 20℃; for 0.166667h; Temperature;
2-furancarbonyl chloride
527-69-5

2-furancarbonyl chloride

betamethasone
1177-87-3

betamethasone

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-acetate
83880-70-0

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-acetate

Conditions
ConditionsYield
With 4-pyrrolidin-1-ylpyridine In dichloromethane for 96h; Ambient temperature;2%
betamethasone
1177-87-3

betamethasone

A

Acetic acid (1R,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-1,11-dihydroxy-3,10a,12a-trimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydro-chrysen-1-ylmethyl ester

Acetic acid (1R,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-1,11-dihydroxy-3,10a,12a-trimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydro-chrysen-1-ylmethyl ester

B

Acetic acid (2S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-2,11-dihydroxy-3,10a,12a-trimethyl-1,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydro-chrysen-2-ylmethyl ester

Acetic acid (2S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-2,11-dihydroxy-3,10a,12a-trimethyl-1,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydro-chrysen-2-ylmethyl ester

Conditions
ConditionsYield
With tin(IV) chloride In acetonitrile for 3h; Ambient temperature;
betamethasone
1177-87-3

betamethasone

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-propionate
83880-75-5

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-propionate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 2 percent / 4-pyrrolidinopyridine (4-PP) / CH2Cl2 / 96 h / Ambient temperature
2: 99 percent / 70percent aq. HClO4 / methanol / 24 h / Ambient temperature
3: 68 percent / pyridine / 18 h / Ambient temperature
View Scheme
betamethasone
1177-87-3

betamethasone

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-butyrate
83881-10-1

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-butyrate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 2 percent / 4-pyrrolidinopyridine (4-PP) / CH2Cl2 / 96 h / Ambient temperature
2: 99 percent / 70percent aq. HClO4 / methanol / 24 h / Ambient temperature
3: 58 percent / pyridine
View Scheme
betamethasone
1177-87-3

betamethasone

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-methoxyacetate
83880-97-1

9α-fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 17-(2'-furoate) 21-methoxyacetate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 2 percent / 4-pyrrolidinopyridine (4-PP) / CH2Cl2 / 96 h / Ambient temperature
2: 99 percent / 70percent aq. HClO4 / methanol / 24 h / Ambient temperature
3: 68 percent / pyridine
View Scheme
betamethasone
1177-87-3

betamethasone

Furan-2-carboxylic acid (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11-hydroxy-17-(2-hydroxy-acetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl ester
83880-74-4

Furan-2-carboxylic acid (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11-hydroxy-17-(2-hydroxy-acetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 2 percent / 4-pyrrolidinopyridine (4-PP) / CH2Cl2 / 96 h / Ambient temperature
2: 99 percent / 70percent aq. HClO4 / methanol / 24 h / Ambient temperature
View Scheme
betamethasone
1177-87-3

betamethasone

21-chloro-11β,17α-dihydroxy-9α-fluoro-16α-methyl-1,4-pregnadiene-3,20-dione 17-(2'-furoate)
83880-77-7

21-chloro-11β,17α-dihydroxy-9α-fluoro-16α-methyl-1,4-pregnadiene-3,20-dione 17-(2'-furoate)

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 2 percent / 4-pyrrolidinopyridine (4-PP) / CH2Cl2 / 96 h / Ambient temperature
2: 99 percent / 70percent aq. HClO4 / methanol / 24 h / Ambient temperature
3: pyridine / 1 h / 0 - 2 °C
4: LiCl / dimethylformamide / 20 h / 80 °C
View Scheme
betamethasone
1177-87-3

betamethasone

Furan-2-carboxylic acid (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11-hydroxy-17-(2-methanesulfonyloxy-acetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl ester
83880-76-6

Furan-2-carboxylic acid (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11-hydroxy-17-(2-methanesulfonyloxy-acetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 2 percent / 4-pyrrolidinopyridine (4-PP) / CH2Cl2 / 96 h / Ambient temperature
2: 99 percent / 70percent aq. HClO4 / methanol / 24 h / Ambient temperature
3: pyridine / 1 h / 0 - 2 °C
View Scheme
betamethasone
1177-87-3

betamethasone

disodium dexamethasone-21-phosphate

disodium dexamethasone-21-phosphate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium carbonate; methanol / 0.17 h / 20 °C
2: pyrophosphoryl chloride / tetrahydrofuran
3: sodium hydroxide / methanol / 1 h / 20 °C
View Scheme
betamethasone
1177-87-3

betamethasone

dexamethasone phosphate
312-93-6, 360-63-4

dexamethasone phosphate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium carbonate; methanol / 0.17 h / 20 °C
2: pyrophosphoryl chloride / tetrahydrofuran
View Scheme

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