Products

Refine

Country

Business Type

Certificate

Display

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

Alclometasone-17,21-dipropionate Manufacturer/High quality/Best price/In stock

Cas:66734-13-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Manufacturer supply CAS 66734-13-2 with competitive price

Cas:66734-13-2

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

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

Alclometasone-17,21-dipropionate CAS66734-13-2

Cas:66734-13-2

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

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

Pregna-1,4-diene-3,20-dione,7-chloro-11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (7a,11b,16a)- 66734-13-2

Cas:66734-13-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 emai

Pregna-1,4-diene-3,20-dione,7-chloro-11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (7a,11b,16a)-

Cas:66734-13-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Pregna-1,4-diene-3,20-dione,7-chloro-11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (7a,11b,16a)-

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Alclometasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Alclometasone Dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Alclometasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

66734-13-2 CAS NO.66734-13-2

Cas:66734-13-2

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Alclometasone dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai

Alclometasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Alclomethasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Alclomethasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

good quality and cheap priceAppearance:powder Package:1kg,5kg,25kg Application:as raw material Transportation:by sea/air/courier

Alclomethasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Enterprice standard Application:Steroids

Alclomethasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Alclometasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Alclometasone Dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

BOC Sciences

BOC Sciences is committed to supplying cost-effective products and services. We provide Alclometasone Dipropionate. Alclometasone-17,21-dipropionate is an synthetic glucocorticoid steroid used for inflammatory skin conditions. Alclometasone-17,21-d

Alclometasone Dipropionate

Cas:66734-13-2

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

Alclomethasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Huarong Pharm Co., Ltd.

High qualityAppearance:White powder Storage:Room temperature Package:Aluminum bag Application:Used in producing API Transportation:By air Port:Beijing

Alclometasone 17,21-Dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Pregna-1,4-diene-3,20-dione,7-chloro-11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (7a,11b,16a)-

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

best price good quality Storage:Room Temperature Application:For pharmacy chemicals Transportation:By sea,air .

AlcloMetasone Dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

Alclometasone Dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

66734-13-2

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Alclometasone-17,21-dipropionate cas 66734-13-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Alclometasone-17,21-dipropionate cas 66734-13-2

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Alclometasone-17,21-dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

66734-13-2

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:2.5mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po

Alclometasone 17,21-Dipropionate

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

Alclometasone dipropionate 66734-13-2

Cas:66734-13-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

16α-methyl-7,11-dihydroxy-17α,21-bispropionyloxypregna-4-ene-1,4-diene-3,20-dione

16α-methyl-7,11-dihydroxy-17α,21-bispropionyloxypregna-4-ene-1,4-diene-3,20-dione

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
With pyridine; phosphorus trichloride In toluene at 40 - 45℃; Solvent; Reagent/catalyst; Green chemistry;64.2%
With pyridine; phosphorus trichloride In toluene at 40 - 45℃; Solvent; Reagent/catalyst;64.2 g
(7α,11β,16α)-7-hydroxy-11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)pregna-1,4-diene-3,20-dione

(7α,11β,16α)-7-hydroxy-11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)pregna-1,4-diene-3,20-dione

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
With pyridine; phosphorus trichloride In toluene at 40 - 45℃; Solvent; Reagent/catalyst;64.2%
16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione 17,21-dipropionate
67212-74-2

16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione 17,21-dipropionate

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
With hydrogenchloride In 1,4-dioxane for 16h; Ambient temperature;15%
16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 21-acetate
13209-52-4

16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione 21-acetate

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 21 percent / HCl, DDQ / dioxane / 24 h / Ambient temperature
2: 53 percent / sat. aq. NaHCO3 / methanol / 2 h / Ambient temperature
3: TsOH*H2O / dimethylsulfoxide / 2 h / Ambient temperature
4: 1.) aq. AcOH, 2.) pyridine / 1.) RT, 1 h, 2.) RT, 3.5 h
5: 15 percent / HCl / dioxane / 16 h / Ambient temperature
View Scheme
16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione
13954-10-4

16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: TsOH*H2O / dimethylsulfoxide / 2 h / Ambient temperature
2: 1.) aq. AcOH, 2.) pyridine / 1.) RT, 1 h, 2.) RT, 3.5 h
3: 15 percent / HCl / dioxane / 16 h / Ambient temperature
View Scheme
16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione 21-acetate
13796-64-0

16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione 21-acetate

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 53 percent / sat. aq. NaHCO3 / methanol / 2 h / Ambient temperature
2: TsOH*H2O / dimethylsulfoxide / 2 h / Ambient temperature
3: 1.) aq. AcOH, 2.) pyridine / 1.) RT, 1 h, 2.) RT, 3.5 h
4: 15 percent / HCl / dioxane / 16 h / Ambient temperature
View Scheme
16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione 17α,21-ethylorthopropionate
67212-72-0

16α-methyl-11β,17α,21-trihydroxy-1,4,6-pregnatriene-3,20-dione 17α,21-ethylorthopropionate

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) aq. AcOH, 2.) pyridine / 1.) RT, 1 h, 2.) RT, 3.5 h
2: 15 percent / HCl / dioxane / 16 h / Ambient temperature
View Scheme
3-ethylene ether-16α-methyl-17α,21-bispropionyloxy-pregnane-3,5-diene-7,11,20-trione

3-ethylene ether-16α-methyl-17α,21-bispropionyloxy-pregnane-3,5-diene-7,11,20-trione

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium tetrahydroborate / methanol / 25 - 30 °C / Green chemistry
2: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C / Green chemistry
3: pyridine; phosphorus trichloride / toluene / 40 - 45 °C / Green chemistry
View Scheme
Multi-step reaction with 3 steps
1.1: sodium tetrahydroborate / methanol / 25 - 30 °C
1.2: 25 - 30 °C / pH 2 - 3
2.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
3.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
Multi-step reaction with 3 steps
1.1: sodium tetrahydroborate; methanol / 25 - 30 °C
1.2: 25 - 30 °C / pH 2 - 3
2.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
3.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
16α-methyl hydrocortisone

16α-methyl hydrocortisone

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: toluene-4-sulfonic acid / 20 - 25 °C / Green chemistry
2: acetic acid; chromium(VI) oxide / chloroform; water / 20 - 25 °C / Green chemistry
3: toluene-4-sulfonic acid / 30 - 35 °C / Green chemistry
4: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C / Green chemistry
5: sodium tetrahydroborate / methanol / 25 - 30 °C / Green chemistry
6: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C / Green chemistry
7: pyridine; phosphorus trichloride / toluene / 40 - 45 °C / Green chemistry
View Scheme
Multi-step reaction with 7 steps
1.1: toluene-4-sulfonic acid / propionic acid / 20 - 25 °C
2.1: chromium(VI) oxide; water / chloroform / 20 - 25 °C
3.1: toluene-4-sulfonic acid / propionic acid / 30 - 35 °C
4.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
5.1: sodium tetrahydroborate / methanol / 25 - 30 °C
5.2: 25 - 30 °C / pH 2 - 3
6.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
7.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
Multi-step reaction with 7 steps
1.1: toluene-4-sulfonic acid / 20 - 25 °C
2.1: acetic acid; chromium(VI) oxide / water / 20 - 25 °C
3.1: toluene-4-sulfonic acid / 30 - 35 °C
4.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
5.1: sodium tetrahydroborate; methanol / 25 - 30 °C
5.2: 25 - 30 °C / pH 2 - 3
6.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
7.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
16α-methylhydrocortison-21-yl propionate

16α-methylhydrocortison-21-yl propionate

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: acetic acid; chromium(VI) oxide / chloroform; water / 20 - 25 °C / Green chemistry
2: toluene-4-sulfonic acid / 30 - 35 °C / Green chemistry
3: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C / Green chemistry
4: sodium tetrahydroborate / methanol / 25 - 30 °C / Green chemistry
5: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C / Green chemistry
6: pyridine; phosphorus trichloride / toluene / 40 - 45 °C / Green chemistry
View Scheme
Multi-step reaction with 6 steps
1.1: chromium(VI) oxide; water / chloroform / 20 - 25 °C
2.1: toluene-4-sulfonic acid / propionic acid / 30 - 35 °C
3.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
4.1: sodium tetrahydroborate / methanol / 25 - 30 °C
4.2: 25 - 30 °C / pH 2 - 3
5.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
6.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
Multi-step reaction with 6 steps
1.1: acetic acid; chromium(VI) oxide / water / 20 - 25 °C
2.1: toluene-4-sulfonic acid / 30 - 35 °C
3.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
4.1: sodium tetrahydroborate; methanol / 25 - 30 °C
4.2: 25 - 30 °C / pH 2 - 3
5.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
6.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
C25H32O7

C25H32O7

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: toluene-4-sulfonic acid / 30 - 35 °C / Green chemistry
2: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C / Green chemistry
3: sodium tetrahydroborate / methanol / 25 - 30 °C / Green chemistry
4: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C / Green chemistry
5: pyridine; phosphorus trichloride / toluene / 40 - 45 °C / Green chemistry
View Scheme
Multi-step reaction with 5 steps
1.1: toluene-4-sulfonic acid / propionic acid / 30 - 35 °C
2.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
3.1: sodium tetrahydroborate / methanol / 25 - 30 °C
3.2: 25 - 30 °C / pH 2 - 3
4.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
5.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
Multi-step reaction with 5 steps
1.1: toluene-4-sulfonic acid / 30 - 35 °C
2.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
3.1: sodium tetrahydroborate; methanol / 25 - 30 °C
3.2: 25 - 30 °C / pH 2 - 3
4.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
5.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
16α-methyl-17α,21-bispropionyloxy-pregna-4-ene-3,7,11,20-tetraone

16α-methyl-17α,21-bispropionyloxy-pregna-4-ene-3,7,11,20-tetraone

alclometasone dipropionate
66734-13-2

alclometasone dipropionate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C / Green chemistry
2: sodium tetrahydroborate / methanol / 25 - 30 °C / Green chemistry
3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C / Green chemistry
4: pyridine; phosphorus trichloride / toluene / 40 - 45 °C / Green chemistry
View Scheme
Multi-step reaction with 4 steps
1.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
2.1: sodium tetrahydroborate / methanol / 25 - 30 °C
2.2: 25 - 30 °C / pH 2 - 3
3.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
4.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
Multi-step reaction with 4 steps
1.1: toluene-4-sulfonic acid / dichloromethane / 20 - 25 °C
2.1: sodium tetrahydroborate; methanol / 25 - 30 °C
2.2: 25 - 30 °C / pH 2 - 3
3.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / 1,4-dioxane / 75 - 80 °C
4.1: pyridine; phosphorus trichloride / toluene / 40 - 45 °C
View Scheme
alclometasone dipropionate
66734-13-2

alclometasone dipropionate

7α-chloro-16α-methylprednisolone
67452-97-5

7α-chloro-16α-methylprednisolone

Conditions
ConditionsYield
With sodium hydrogencarbonate In methanol for 4h; Ambient temperature;35%
alclometasone dipropionate
66734-13-2

alclometasone dipropionate

7α-chloro-16α-methylprednisolone 17-propionate

7α-chloro-16α-methylprednisolone 17-propionate

Conditions
ConditionsYield
In ethanol for 312h; Ambient temperature; malt diastase in water;
alclometasone dipropionate
66734-13-2

alclometasone dipropionate

7α-chloro-16α-methylprednisolone 17-butyrate

7α-chloro-16α-methylprednisolone 17-butyrate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 35 percent / NaHCO3 (aq.) / methanol / 4 h / Ambient temperature
2: p-TsOH*H2O / dimethylsulfoxide / 3 h / Ambient temperature
3: acetic acid / H2O / 1 h / Ambient temperature
View Scheme
alclometasone dipropionate
66734-13-2

alclometasone dipropionate

7α-chloro-16α-methylprednisolone 17,21-ethylorthobutyrate
76576-31-3

7α-chloro-16α-methylprednisolone 17,21-ethylorthobutyrate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 35 percent / NaHCO3 (aq.) / methanol / 4 h / Ambient temperature
2: p-TsOH*H2O / dimethylsulfoxide / 3 h / Ambient temperature
View Scheme
alclometasone dipropionate
66734-13-2

alclometasone dipropionate

7α-Chloro-11β,17α,21-trihydroxy-16α-methyl-5β-pregnane-3,20-dione 17,21-dipropionate

7α-Chloro-11β,17α,21-trihydroxy-16α-methyl-5β-pregnane-3,20-dione 17,21-dipropionate

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View