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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White or almost white crystalline powder Almost white crystalline powder Identific

High quality Dexamethasone with best price and good quality cas:50-02-2

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $550.0 / 800.0

Type:Trading Company

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Our Competitive Advantage: 1.Best quality in your requirement 2.Guaranteed purity 3.Large quantity in stock 4.Free sample 5.Competitive price in China market 6.mature Technical support 7.Professional logistic support

Hot sale Dexamethasone with most affordable price

Cas:50-02-2

Min.Order:10 Gram

FOB Price: $700.0 / 800.0

Type:Lab/Research institutions

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Hubei Vanz Pharm Co.,Ltd

Wuhan Vanz Pharm Inc Supply Top Quality Factory Price CAS 50-02-2 Dexamethasone Powder, 99% purity, white powder, with COA and HPLC. Appearance:white powder Storage:RT Package:poly bag + foil bag Application:bodybuilding supplement, muscle enh

Top Quality Factory Price CAS 50-02-2 Dexamethasone Powder

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Manufacturers

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Antimex Chemical Limied

Quick Details ProName: Dexamethasone CasNo: 50-02-2 Molecular Formula: C22H29FO5 Appearance: White crystalline powder Application: Mainly used for anti-inflammatory and ... DeliveryTime: Payment in advance aft

Dexamethasone

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Lab/Research institutions

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Crystalline powder Storage:ln stock Package:25kg/Barrel Application:Mainly used for anti-inflammatory and anti-allergic, suitable for rheumatoid arthritis and other collagen diseases Transportation:Express/Sea/Air Port:Shanghai

Best supplier Dexamethasone cas:50-02-2 in stock

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $746.0

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

Introduction: Dexamethasone is a potent synthetic member of the glucocorticoid class of steroid drugs. It acts as an anti-inflammatory and immunosuppressant. Function 1. Dexamethasone 50-02-2 has big effect on anti-inflammatory, anti - toxic, a

Raw Material 99% Content Dexamethasone 50-02-2

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $890.0

Type:Other

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Hebei yanxi chemical co.,LTD.

Reason for Choosing us: 1): Superior Quality and Competitive Price: Our company is a renowned pharmaceutical manufacturer with more than 15 years experiences in China and all powders are supplying from our factory directly. 2): Fast ,Sa

Dexamethasone glucocorticoid Dexamethasone For anti-inflammatory CAS NO.50-02-2

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Dexamethasone Cas 50-02-2 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:Store in 2-8℃ Package:1kg

Manufacturer supply best price Dexamethasone Cas 50-02-2 with high quality

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $720.0 / 746.0

Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

Factory price Dexamethasone for hot sale/cas 50-02-2 1.Basic information: CAS: 50-02-2 MF: C22H29FO5 MW: 392.46 EINECS: 200-003-9 Chemical Properties White Crystalline Solid 2.Specification: ITEMS

Factory price Dexamethasone for hot sale/cas 50-02-2

Cas:50-02-2

Min.Order:25 Kilogram

FOB Price: $1.0

Type:Trading Company

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Xi'an Quanao Biotech Co., Ltd.

Dexamethasone powder good supplier 50-02-2 Dexamethasone China Dexamethasone is a synthetic glucocorticoid that binds the human glucocorticoid receptor with a higher affinity than a natural ligand, cortisol (Kd = 5 nM versus 17 nM, respectively).1

50-02-2 Dexamethasone powder good supplier 50-02-2 Dexamethasone China

Cas:50-02-2

Min.Order:100 Kilogram

FOB Price: $0.75 / 0.85

Type:Manufacturers

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Sinoway Industrial Co., Ltd.

BP98/USP27 Application:API

99% up by HPLC BP98/USP27 GMP DMF Dexamethasone powder 50-02-2

Cas:50-02-2

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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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

Cas:50-02-2

Min.Order:1

Negotiable

Type:Other

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing

Dexamethasone

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Manufacturers

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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

High Quality 99% Dexamethasone 50-02-2 ISO Producer

Cas:50-02-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Xi`an Eastling Biotech Co., Ltd.

50-02-2 - Physico-chemical Properties Molecular Formula C22H29FO5 Molar Mass 392.47 Density 1.1283 (estimate) Melting Point 262-264 °C (lit.) Boling Point 568.2±50.0 °C(Predi

Factory high quality Dexamethasone

Cas:50-02-2

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

Type:Lab/Research institutions

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HANGZHOU CLAKE BIOTECH CO.,LTD

1. GMP AVALIABLE ; 2. IN STOCK 3. FAST REPLY QUALIFED ; EFFICIENCY; RESPONSIBLE Appearance:white crystalline powder Storage:in cool Package:as request Application:active pharmaceutical ingredient Transportation:Air / SEA BOTH OK Port:

DEXAMETHASONE

Cas:50-02-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai 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

lower price High quality Dexamethasone

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Dexamethasone GMP and DMF -- CHemwill

Cas:50-02-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:dexamethasone CAS NO: 50-02-2 Grade:Medical scientific research and export Molecular formula:C22H29FO5 Molecular weight:392.5 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data s

dexamethasone/ CAS:50-02-2/dexamethasone raw material/ high-quality

Cas:50-02-2

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

tianfu-chem_ Dexamethasone 50-02-2

Cas:50-02-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With 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 50-02-2 Dexa Methasone

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

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

Cas:50-02-2

Min.Order:1 Gram

Negotiable

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

Dexamethasone CAS50-02-2

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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 50-02-2

Cas:50-02-2

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/ LIDE PHARMA- Factory supply / Best price

Cas:50-02-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Name: Dexamethasone CAS: 50-02-2 Molecular formula: C22H29FO5 Molecular weight: 392.4611 Appearance:White Powder Storage:Store in cool and dry place, away from

Dexamethasone

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Orga

DXM CAS NO.: 50-02-2

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $5.0

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

HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Dexamethasone Molecular Structure: Formula: C22H29FO5 Molecular Weight : 392.46 Synonyms: DEXAMETHASONEBASE;DEXAMETHASONUM;DEXAMETHASON;DEXAMETHASONE;CALON

Factory Supply Dexamethasone

Cas:50-02-2

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

50-02-2 Good Supplier In China in stock Dexamethasone Wholesaler Dexamethasone is an Anti-inflammatory glucocorticoid that is used to treat inflammatory and autoimmune conditions such as rheumatoid arthritis and bronchospasm. It is useful to study

50-02-2 Good Supplier In China 50-02-2 in stock Dexamethasone Wholesaler

Cas:50-02-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Synthetic route

C23H31FO4

C23H31FO4

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Stage #1: C23H31FO4 In ethyl acetate at 0 - 10℃;
Stage #2: With hydrogenchloride In water at 30 - 35℃; for 1h;
40%
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;
16α-methyl-9β,11β-oxido-17α,20;20,21-bismethylenedioxy-pregna-1,4-diene-3-one
1966-25-2

16α-methyl-9β,11β-oxido-17α,20;20,21-bismethylenedioxy-pregna-1,4-diene-3-one

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With hydrogen fluoride In tetrahydrofuran; ethanol at 0℃; for 20h;
(8S,10S,13S,14S,16R,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one
13209-41-1

(8S,10S,13S,14S,16R,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 74 percent / HCl / CH2Cl2 / Ambient temperature
2: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature
3: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating
4: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C
View Scheme
16α-methyl-17α,20;20,21-bismethylenedioxypregn-1,4,9(11)-triene-3-one
14518-56-0

16α-methyl-17α,20;20,21-bismethylenedioxypregn-1,4,9(11)-triene-3-one

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature
2: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating
3: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C
View Scheme
9α-bromo-11β-hydroxy-16α-methyl-17α,20;20,21-bismethylenedioxy-pregna-1,4-diene-3-one
88509-22-2

9α-bromo-11β-hydroxy-16α-methyl-17α,20;20,21-bismethylenedioxy-pregna-1,4-diene-3-one

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating
2: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C
View Scheme
dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 63 percent / sodium metaperiodate / tetrahydrofuran; methanol; H2O / 2.5 h / Ambient temperature
2: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature
3: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating
4: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C
View Scheme
16α-methyl-17α,20;20,21-bismethylenedioxy-pregn-4,9(11)-diene-3-one
80163-63-9, 88509-13-1, 88548-10-1

16α-methyl-17α,20;20,21-bismethylenedioxy-pregn-4,9(11)-diene-3-one

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 1.) LDA / 1.) THF, -78 deg C, 1 h then 0 deg C, 5 h; 2.) THF, -78 deg C, 3.5 h
2: 63 percent / sodium metaperiodate / tetrahydrofuran; methanol; H2O / 2.5 h / Ambient temperature
3: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature
4: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating
5: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C
View Scheme
2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl hydrogen (2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl)phosphoramidate

2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl hydrogen (2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl)phosphoramidate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction;
C24H35FNO8P

C24H35FNO8P

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 20 °C
2: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
C28H35FNO8P

C28H35FNO8P

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 20 °C
2: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
(9H-fluoren-9-yl)methyl (2-(((((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)ethyl)carbamate

(9H-fluoren-9-yl)methyl (2-(((((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)ethyl)carbamate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: piperidine / dichloromethane / 3 h / 20 °C
2.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 0.67 h / 20 °C
2.2: 20 °C
3.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
C24H36FNO11P2

C24H36FNO11P2

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 0.67 h / 20 °C
1.2: 20 °C
2.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) dihydrogen pyrophosphate

2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) dihydrogen pyrophosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction;
(9H-fluoren-9-yl)methyl (4-(((((2-((8S,9R,10S,11S, 13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)phenyl)carbamate

(9H-fluoren-9-yl)methyl (4-(((((2-((8S,9R,10S,11S, 13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)phenyl)carbamate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: piperidine / dichloromethane / 20 °C
2.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 0.33 h / 20 °C
2.2: 20 °C
3.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
C28H36FNO11P2

C28H36FNO11P2

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 0.33 h / 20 °C
1.2: 20 °C
2.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
4-(2-(cyclooct-2-yn-1-yloxy)acetamido)phenyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) dihydrogen pyrophosphate

4-(2-(cyclooct-2-yn-1-yloxy)acetamido)phenyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) dihydrogen pyrophosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction;
tert-butyl (2-(((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)ethyl)carbamate

tert-butyl (2-(((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)ethyl)carbamate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrogenchloride / ethyl acetate / 1 h
2: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 20 °C
3: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
((9H-fluoren-9-yl)methyl) (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) dihydrogen pyrophosphate

((9H-fluoren-9-yl)methyl) (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) dihydrogen pyrophosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: piperidine / dichloromethane / 1.5 h / 20 °C
2.1: triethylamine; 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 0.5 h / 20 °C
2.2: 20 °C
3.1: piperidine / dichloromethane / 1 h / 20 °C
4.1: triethylamine / N,N-dimethyl-formamide / 0.5 h / 20 °C
5.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
(2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) trihydrogenpyrophosphate

(2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) trihydrogenpyrophosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: triethylamine; 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 0.5 h / 20 °C
1.2: 20 °C
2.1: piperidine / dichloromethane / 1 h / 20 °C
3.1: triethylamine / N,N-dimethyl-formamide / 0.5 h / 20 °C
4.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
(9H-fluoren-9-yl)methyl (2-(((((((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)ethyl)carbamate

(9H-fluoren-9-yl)methyl (2-(((((((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)ethyl)carbamate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: piperidine / dichloromethane / 1 h / 20 °C
2: triethylamine / N,N-dimethyl-formamide / 0.5 h / 20 °C
3: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
2-amionethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) trihydrogentriphosphate

2-amionethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) trihydrogentriphosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine / N,N-dimethyl-formamide / 0.5 h / 20 °C
2: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) trihydrogen triphosphate

2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) trihydrogen triphosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction;
2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-dihydroxy-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)-2-oxoethyl) hydrogen phosphate

2-(2-(cyclooct-2-yn-1-yloxy)acetamido)ethyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-dihydroxy-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)-2-oxoethyl) hydrogen phosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction;
tert-butyl (4-(((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)phenyl)carbamate

tert-butyl (4-(((2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)(hydroxy)phosphoryl)oxy)phenyl)carbamate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrogenchloride / ethyl acetate / 1 h
2: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 20 °C
3: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
4-(2-(cyclooct-2-yn-1-yloxy)acetamido)phenyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) hydrogen phosphate

4-(2-(cyclooct-2-yn-1-yloxy)acetamido)phenyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) hydrogen phosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction;
dexamethasone phosphate
312-93-6, 360-63-4

dexamethasone phosphate

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: dicyclohexyl-carbodiimide / tert-butyl alcohol; water / 4 h / 100 °C
2: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
Multi-step reaction with 4 steps
1.1: triethylamine; 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 0.5 h / 20 °C
1.2: 20 °C
2.1: piperidine / dichloromethane / 20 °C
3.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 0.33 h / 20 °C
3.2: 20 °C
4.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
Multi-step reaction with 4 steps
1.1: triethylamine; 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 0.5 h / 20 °C
1.2: 20 °C
2.1: piperidine / dichloromethane / 3 h / 20 °C
3.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1-hydroxy-7-aza-benzotriazole / dichloromethane / 0.67 h / 20 °C
3.2: 20 °C
4.1: rat liver lysosomes / water; acetonitrile; dimethyl sulfoxide / 6 h / 37 °C / Enzymatic reaction
View Scheme
dexamethasone
50-02-2

dexamethasone

4-Nitrophenyl chloroformate
7693-46-1

4-Nitrophenyl chloroformate

dexamethasone 21-(p-nitrophenyl carbonate)
79360-11-5

dexamethasone 21-(p-nitrophenyl carbonate)

Conditions
ConditionsYield
With pyridine In chloroform Ambient temperature;100%
With pyridine In dichloromethane at 20℃; for 0.4h; Sealed tube;72%
With 4-methyl-morpholine In tetrahydrofuran at 20℃; for 24h;55%
With 4-methyl-morpholine In tetrahydrofuran at 20℃; for 4h;
With pyridine at 20℃; for 2h; Concentration;
dexamethasone
50-02-2

dexamethasone

5'-O-(4,4'-dimethoxytrityl)-2'-O-(tert-butyldimethylsilyl)uridine-3'-[(2-cyanoethyl)-(N,N-diisopropyl)]phosphoramidite
144490-31-3, 118362-03-1, 131349-31-0, 131349-37-6

5'-O-(4,4'-dimethoxytrityl)-2'-O-(tert-butyldimethylsilyl)uridine-3'-[(2-cyanoethyl)-(N,N-diisopropyl)]phosphoramidite

(2R,3R,4R,5R)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl)phosphite

(2R,3R,4R,5R)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl)phosphite

Conditions
ConditionsYield
Stage #1: dexamethasone; 5'-O-(4,4'-dimethoxytrityl)-2'-O-(tert-butyldimethylsilyl)uridine-3'-[(2-cyanoethyl)-(N,N-diisopropyl)]phosphoramidite With 5-(ethylthio)-1H-tetrazole In acetonitrile for 0.333333h;
Stage #2: With tert.-butylhydroperoxide In acetonitrile at 20℃; for 1h;
100%
dexamethasone
50-02-2

dexamethasone

terephthalic acid mono-tert-butyl ester
20576-82-3

terephthalic acid mono-tert-butyl ester

tert-butyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) terephthalate

tert-butyl (2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) terephthalate

Conditions
ConditionsYield
With pyridine; dmap; 1,2-dichloro-ethane at 20℃; for 18h; Inert atmosphere;100%
dexamethasone
50-02-2

dexamethasone

Fmoc-Asp-O-t-Bu
129460-09-9, 134098-70-7

Fmoc-Asp-O-t-Bu

1-(tert-butyl) 4-(2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) (((9H-fluoren-9-yl)methoxy)carbonyl)-L-aspartate

1-(tert-butyl) 4-(2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl) (((9H-fluoren-9-yl)methoxy)carbonyl)-L-aspartate

Conditions
ConditionsYield
With pyridine; dmap; 1,2-dichloro-ethane In dichloromethane at 20℃; for 18h; Inert atmosphere;100%
dexamethasone
50-02-2

dexamethasone

9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
37927-01-8

9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid

Conditions
ConditionsYield
Stage #1: dexamethasone With oxygen; potassium carbonate In methanol at 20℃; for 18h;
Stage #2: With hydrogenchloride In water
99%
With periodic acid In ethanol; water for 16.5h;97%
With sodium periodate; sulfuric acid In ethanol; water at 20℃; for 12h;97%
dexamethasone
50-02-2

dexamethasone

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

C28H43FO5Si

C28H43FO5Si

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 5h;98.5%
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 4h;
With 1H-imidazole In N,N-dimethyl-formamide at 0 - 20℃; for 4h;24.9 g
succinic acid anhydride
108-30-5

succinic acid anhydride

dexamethasone
50-02-2

dexamethasone

4-(2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)-4-oxobutanoic acid

4-(2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethoxy)-4-oxobutanoic acid

Conditions
ConditionsYield
With dmap In dichloromethane; acetonitrile at 20℃; for 2h;98%
With dmap In tetrahydrofuran for 48h; Darkness;94%
With pyridine; dmap at 20℃; Inert atmosphere;90%
dexamethasone
50-02-2

dexamethasone

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

Dexamethasone 21-mesylate
2265-22-7

Dexamethasone 21-mesylate

Conditions
ConditionsYield
With pyridine at 0 - 20℃; for 3h; Inert atmosphere;96%
With pyridine at 4℃; for 16h; Inert atmosphere;83%
With pyridine for 17h; Inert atmosphere; Cooling with ice;83%
dexamethasone
50-02-2

dexamethasone

(12R)-hexanoyloxyoleic acid

(12R)-hexanoyloxyoleic acid

2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl (R,Z)-12-hexanoyloxyoleate

2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl (R,Z)-12-hexanoyloxyoleate

Conditions
ConditionsYield
Stage #1: (12R)-hexanoyloxyoleic acid With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 0.25h; Cooling with ice; Inert atmosphere;
Stage #2: dexamethasone With dmap In dichloromethane for 17h; Cooling with ice; Inert atmosphere;
96%
dexamethasone
50-02-2

dexamethasone

disodium dexamethasone-21-phosphate

disodium dexamethasone-21-phosphate

Conditions
ConditionsYield
Stage #1: dexamethasone With pyrophosphoryl chloride In tetrahydrofuran at -50℃; for 1h;
Stage #2: With water In tetrahydrofuran at 20℃; pH=10;
Stage #3: With sodium hydroxide In toluene pH=10; Solvent;
95.9%
dexamethasone
50-02-2

dexamethasone

(R,Z)-4-((12-(hexanoyloxy)octadec-9-en-1-yl)oxy)-4-oxobutanoic acid

(R,Z)-4-((12-(hexanoyloxy)octadec-9-en-1-yl)oxy)-4-oxobutanoic acid

C50H77FO10

C50H77FO10

Conditions
ConditionsYield
Stage #1: (R,Z)-4-((12-(hexanoyloxy)octadec-9-en-1-yl)oxy)-4-oxobutanoic acid With dicyclohexyl-carbodiimide In dichloromethane for 0.25h; Cooling with ice; Inert atmosphere;
Stage #2: dexamethasone With dmap In dichloromethane for 14h; Cooling with ice;
95%
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