CAS No.52-70-0,6alpha,9-difluoro-11beta,17,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate Suppliers

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

6alpha,9-difluoro-11beta,17,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate

Cas:52-70-0

Min.Order:1 Kilogram

FOB Price: $3.0

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Hebei Sankai Chemical Technology Co., Ltd

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

6alpha,9-difluoro-11beta,17,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate CAS:52-70-0

Cas:52-70-0

Min.Order:1 Metric Ton

FOB Price: $20.0 / 30.0

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Pregna-1,4-diene-3,20-dione,21-(acetyloxy)-6,9-difluoro-11,17-dihydroxy-, (6a,11b)- (9CI)

Cas:52-70-0

Min.Order:1 Gram

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HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:6α,9α-?Difluoroprednisolone 21-Acetate, is an impurity of Diflu

Pregna-1,4-diene-3,20-dione,21-(acetyloxy)-6,9-difluoro-11,17-dihydroxy-, (6a,11b)- (9CI)

Cas:52-70-0

Min.Order:1 Kilogram

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

6alpha,9-difluoro-11beta,17,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate

Cas:52-70-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Pregna-1,4-diene-3,20-dione,21-(acetyloxy)-6,9-difluoro-11,17-dihydroxy-, (6a,11b)- (9CI)

Cas:52-70-0

Min.Order:1 Gram

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Antimex Chemical Limied

hight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents

Pregna-1,4-diene-3,20-dione,21-(acetyloxy)-6,9-difluoro-11,17-dihydroxy-, (6a,11b)- (9CI)

Cas:52-70-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Simson Pharma Limited

The system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin

6α,?9α-?Difluoroprednisolone 21-Acetate

Cas:52-70-0

Min.Order:0

Negotiable

Type:Manufacturers

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Synthetic route

: 2964-95-6
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregn-4-ene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
With selenium(IV) oxide

: 3802-45-7
21-acetoxy-9,11β-epoxy-6α-fluoro-17-hydroxy-9β-pregna-1,4-diene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
With hydrogen fluoride

: 106545-20-4
17α,21-diacetoxy-5α,6-oxide-3,3-ethylenedioxypregnan-20-one

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 9 steps 1: boron fluoride; diethyl ether; benzene 2: toluene-4-sulfonic acid 3: HCl; acetic acid 4: methanol.KOH 5: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 6: methanesulfonyl chloride; pyridine; DMF 7: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 8: HF / dann mit Acetanhydrid 9: SeO2 View Scheme

Yield

Multi-step reaction with 9 steps
1: boron fluoride; diethyl ether; benzene
2: toluene-4-sulfonic acid
3: HCl; acetic acid
4: methanol.KOH
5: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung
6: methanesulfonyl chloride; pyridine; DMF
7: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat
8: HF / dann mit Acetanhydrid
9: SeO2
View Scheme

: 1807-15-4
17,21-diacetoxy-4-pregnene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 11 steps 1: toluene-4-sulfonic acid / Entfernen des entstehenden Butanons 2: chloroform; monoperoxyphthalic acid; diethyl ether 3: boron fluoride; diethyl ether; benzene 4: toluene-4-sulfonic acid 5: HCl; acetic acid 6: methanol.KOH 7: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 8: methanesulfonyl chloride; pyridine; DMF 9: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 10: HF / dann mit Acetanhydrid 11: SeO2 View Scheme

Yield

Multi-step reaction with 11 steps
1: toluene-4-sulfonic acid / Entfernen des entstehenden Butanons
2: chloroform; monoperoxyphthalic acid; diethyl ether
3: boron fluoride; diethyl ether; benzene
4: toluene-4-sulfonic acid
5: HCl; acetic acid
6: methanol.KOH
7: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung
8: methanesulfonyl chloride; pyridine; DMF
9: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat
10: HF / dann mit Acetanhydrid
11: SeO2
View Scheme

: 570-41-2
pregna-4,9(11)-diene-6α-fluoro-3,20-dione-17-hydroxy-21-acetate

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 2: HF / dann mit Acetanhydrid 3: SeO2 View Scheme

: 2967-03-5
5α-hydroxy-17α,21-diacetoxy-6β-fluoropregnane-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 7 steps 1: HCl; acetic acid 2: methanol.KOH 3: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 4: methanesulfonyl chloride; pyridine; DMF 5: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 6: HF / dann mit Acetanhydrid 7: SeO2 View Scheme

: 3827-45-0
6α-fluoro-17,21-dihydroxy-pregn-4-ene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 2: methanesulfonyl chloride; pyridine; DMF 3: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 4: HF / dann mit Acetanhydrid 5: SeO2 View Scheme

: 1058-55-5
21-acetoxy-6α-fluoro-11β,17-dihydroxy-pregn-4-ene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: methanesulfonyl chloride; pyridine; DMF 2: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 3: HF / dann mit Acetanhydrid 4: SeO2 View Scheme

: 3793-12-2
17,21-diacetoxy-6α-fluoro-pregn-4-ene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: methanol.KOH 2: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 3: methanesulfonyl chloride; pyridine; DMF 4: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 5: HF / dann mit Acetanhydrid 6: SeO2 View Scheme

: 3800-29-1, 7793-44-4
21-acetoxy-9,11β-epoxy-6α-fluoro-17-hydroxy-9β-pregn-4-ene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: HF / dann mit Acetanhydrid 2: SeO2 View Scheme

: 145013-90-7
17α,21-diacetoxy-3,3-ethylenedioxypregn-5-ene-20-one

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 10 steps 1: chloroform; monoperoxyphthalic acid; diethyl ether 2: boron fluoride; diethyl ether; benzene 3: toluene-4-sulfonic acid 4: HCl; acetic acid 5: methanol.KOH 6: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 7: methanesulfonyl chloride; pyridine; DMF 8: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 9: HF / dann mit Acetanhydrid 10: SeO2 View Scheme

Yield

Multi-step reaction with 10 steps
1: chloroform; monoperoxyphthalic acid; diethyl ether
2: boron fluoride; diethyl ether; benzene
3: toluene-4-sulfonic acid
4: HCl; acetic acid
5: methanol.KOH
6: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung
7: methanesulfonyl chloride; pyridine; DMF
8: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat
9: HF / dann mit Acetanhydrid
10: SeO2
View Scheme

: 3793-37-1
17,21-diacetoxy-3,3-ethanediyldioxy-6β-fluoro-5-hydroxy-5α-pregnan-20-one

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 8 steps 1: toluene-4-sulfonic acid 2: HCl; acetic acid 3: methanol.KOH 4: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung 5: methanesulfonyl chloride; pyridine; DMF 6: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat 7: HF / dann mit Acetanhydrid 8: SeO2 View Scheme

Yield

Multi-step reaction with 8 steps
1: toluene-4-sulfonic acid
2: HCl; acetic acid
3: methanol.KOH
4: durch Inkubation mit Rinder-Nebennieren-Suspension und anschliessender Acetylierung
5: methanesulfonyl chloride; pyridine; DMF
6: N-bromo-acetamide; dioxane; aqueous perchloric acid / Erwaermen einer Loesung des Reaktionsprodukts in Aceton mit Kaliumacetat
7: HF / dann mit Acetanhydrid
8: SeO2
View Scheme

: 4380-55-6
pregna-1,4,9(11)-triene-17α,21-diol-3,20-dione 21-acetate

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: tetrafluoroboric acid; 5,5-dibromohydantoin / acetone; water / 0 - 5 °C 2: potassium carbonate / acetone; water / 16 h / 25 - 40 °C 3: pyridine / acetonitrile / 4 h / 82 - 84 °C / Inert atmosphere 4: Selectfluor / acetonitrile / -20 - -12 °C 5: hydrogen fluoride; tert-butylhydroquinone / dichloromethane / 2 h / -10 - -5 °C View Scheme

: 4224-31-1
21-acetoxy-9-bromo-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: potassium carbonate / acetone; water / 16 h / 25 - 40 °C 2: pyridine / acetonitrile / 4 h / 82 - 84 °C / Inert atmosphere 3: Selectfluor / acetonitrile / -20 - -12 °C 4: hydrogen fluoride; tert-butylhydroquinone / dichloromethane / 2 h / -10 - -5 °C View Scheme

: 38680-83-0
21-acetyloxy-9β,11β-epoxy-17α-hydroxy-1,4-diene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: pyridine / acetonitrile / 4 h / 82 - 84 °C / Inert atmosphere 2: Selectfluor / acetonitrile / -20 - -12 °C 3: hydrogen fluoride; tert-butylhydroquinone / dichloromethane / 2 h / -10 - -5 °C View Scheme

: C30H32O7

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Selectfluor / acetonitrile / -20 - -12 °C 2: hydrogen fluoride; tert-butylhydroquinone / dichloromethane / 2 h / -10 - -5 °C View Scheme

: 3802-45-7
21-acetyloxy-9β,11β-epoxy-6α-fluoro-17α-hydroxy-1,4-diene-3,20-dione

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
With hydrogen fluoride; tert-butylhydroquinone In dichloromethane at -10 - -5℃; for 2h; Solvent; Reagent/catalyst;	637.5 g

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

: 6α,9α-fluprednisolone

Conditions

Conditions	Yield
With water; sodium hydroxide In methanol; dichloromethane at 0 - 5℃; for 2.5h;	83.17%

: 52-70-0
21-acetoxy-6α,9-difluoro-11β,17-dihydroxy-pregna-1,4-diene-3,20-dione

: 806-29-1
6α,9-difluoro-11β,17,21-trihydroxy-pregna-1,4-diene-3,20-dione

Conditions

Conditions	Yield
With potassium hydrogencarbonate

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Dayang Chem (Hangzhou) Co.,Ltd.

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Shandong Mopai Biotechnology Co., LTD

Antimex Chemical Limied

Simson Pharma Limited

Synthetic route

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