Items Standard Result Appearance White or almost white crystalline powder Almost white crystalline powder Identific
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $550.0 / 800.0
Type:Trading Company
inquiryOur 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
Cas:50-02-2
Min.Order:10 Gram
FOB Price: $700.0 / 800.0
Type:Lab/Research institutions
inquiryWuhan 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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Manufacturers
inquiryQuick 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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Lab/Research institutions
inquiryAppearance: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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $746.0
Type:Lab/Research institutions
inquiryIntroduction: 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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $890.0
Type:Other
inquiryReason 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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryUnique 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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $720.0 / 746.0
Type:Trading Company
inquiryFactory 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
Cas:50-02-2
Min.Order:25 Kilogram
FOB Price: $1.0
Type:Trading Company
inquiryDexamethasone 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
Cas:50-02-2
Min.Order:100 Kilogram
FOB Price: $0.75 / 0.85
Type:Manufacturers
inquiryBP98/USP27 Application:API
Cas:50-02-2
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
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
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
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:50-02-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry50-02-2 - 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
Cas:50-02-2
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
Type:Lab/Research institutions
inquiry1. 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:
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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiry
Cas:50-02-2
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
inquiryName: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
Cas:50-02-2
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 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
Cas:50-02-2
Min.Order:1 Kilogram
Negotiable
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:50-02-2
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
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
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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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 email in time prod
Cas:50-02-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:50-02-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryName: Dexamethasone CAS: 50-02-2 Molecular formula: C22H29FO5 Molecular weight: 392.4611 Appearance:White Powder Storage:Store in cool and dry place, away from
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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Lab/Research institutions
inquiryAdvantages: 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
Cas:50-02-2
Min.Order:10 Gram
Negotiable
Type:Other
inquiry1.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
Cas:50-02-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry50-02-2 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
Cas:50-02-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquirydexamethasone
Conditions | Yield |
---|---|
Stage #1: C23H31FO4 In ethyl acetate at 0 - 10℃; Stage #2: With hydrogenchloride In water at 30 - 35℃; for 1h; | 40% |
Conditions | Yield |
---|---|
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
dexamethasone
Conditions | Yield |
---|---|
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
dexamethasone
Conditions | Yield |
---|---|
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
dexamethasone
Conditions | Yield |
---|---|
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
dexamethasone
Conditions | Yield |
---|---|
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 |
C30H36O5Se
dexamethasone
Conditions | Yield |
---|---|
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
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction; |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction; |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction; |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction; |
dexamethasone
Conditions | Yield |
---|---|
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction; |
dexamethasone
Conditions | Yield |
---|---|
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 |
dexamethasone
Conditions | Yield |
---|---|
With rat liver lysosomes In water; dimethyl sulfoxide; acetonitrile at 37℃; for 6h; Enzymatic reaction; |
dexamethasone phosphate
dexamethasone
Conditions | Yield |
---|---|
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
4-Nitrophenyl chloroformate
dexamethasone 21-(p-nitrophenyl carbonate)
Conditions | Yield |
---|---|
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
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
Conditions | Yield |
---|---|
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
terephthalic acid mono-tert-butyl ester
Conditions | Yield |
---|---|
With pyridine; dmap; 1,2-dichloro-ethane at 20℃; for 18h; Inert atmosphere; | 100% |
dexamethasone
Fmoc-Asp-O-t-Bu
Conditions | Yield |
---|---|
With pyridine; dmap; 1,2-dichloro-ethane In dichloromethane at 20℃; for 18h; Inert atmosphere; | 100% |
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
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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 |
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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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