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Shaanxi New nine Material Technology Co., Ltd.

Our Advantage: 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good quali

Androst-5-en-3-ol-7,17-dione acetate

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 3-Acetyl-7-Keto-Dhea supplier in China

Cas:1449-61-2

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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 3-Acetyl-7-Keto-Dhea

Cas:1449-61-2

Min.Order:1

Negotiable

Type:Other

inquiry

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 7-keto-DHEA

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

3β-Acetoxy-5-androstene-7,17-dione

Cas:1449-61-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:7,17-dioxoandrost-5-en-3-yl acetate CAS NO: 1449-61-2 Grade:Medical scientific research and export Molecular formula: C21H28O4 Molecular weight: 344.4446 Product Quality 12 years of chemical raw materials Mature operation of the indust

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_Androst-5-en-3-ol-7,17-dione acetate 1449-61-2

Cas:1449-61-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

7,17-dioxoandrost-5-en-3-yl acetate CAS 1449-61-2

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

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

Factory direct supply CAS 1449-61-2 with best quality

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

Androst-5-en-3-ol-7,17-dione acetate/ LIDE PHARMA- Factory supply / Best price

Cas:1449-61-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Another Name: 7-Keto-Dehydroepiandrosterone Acetate CAS:1449-61-2 Molecular formula: C21H28O4 Molecular weight: 344.44 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:drum Application: Pharmaceutical

7-keto Acetate Dehydroepiandrosterone

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White crystalline powder Storage:Store in sealed containers

Weight Loss Hormones 7-Keto Acetate 1449-61-2 White Powders

Cas:1449-61-2

Min.Order:100 Gram

Negotiable

Type:Other

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

Androst-5-ene-7,17-dione,3-(acetyloxy)-, (3b)- 1449-61-2

Cas:1449-61-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, steroids, pharmaceutical i

Factory price 7-Keto DHEA acetate high quality

Cas:1449-61-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,

Androst-5-ene-7,17-dione,3-(acetyloxy)-, (3b)- CAS NO.: 1449-61-2

Cas:1449-61-2

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

inquiry

Wuhan Wonda Pharm Limited

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

7-keto DHEA Acetate

Cas:1449-61-2

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Androst-5-en-3-ol-7,17-dione acetate CAS: 1449-61-2 Specification Welcome to contact us to get complete COA. Shanghai Lonwin Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality

Factory supply Androst-5-en-3-ol-7,17-dione acetate

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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

Androst-5-ene-7,17-dione,3-(acetyloxy)-, (3b)-

Cas:1449-61-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Androst-5-en-3-ol-7,17-dione acetate Basic information Product Name: Androst-5-en-3-ol-7,17-dione acetate Synonyms: 10,13-dimethyl-7,17-dioxo-2,3

98% Min 3-Acetyl-7-Keto-Dhea low price manufacture

Cas:1449-61-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

7-keto DHEA acetate 1449-61-2

Cas:1449-61-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Androst-5-en-3-ol-7,17-dione acetate

Cas:1449-61-2

Min.Order:0 Metric Ton

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

Androst-5-en-3-ol-7,17-dione acetate

Cas:1449-61-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Androst-5-en-3-ol-7,17-dione acetate

Cas:1449-61-2

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

Androst-5-en-3-ol-7,17-dione acetate

Cas:1449-61-2

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Binbo Biological Co., Ltd

Quick Details ProName: Steroid white Powder7-keto DHEA acetat... CasNo: 1449-61-2 Molecular Formula: C21H28O4 Appearance: White Powder Application: bodybuilding pharmaceutical material, ... DeliveryTime: 3days PackAge: Packaging can be accor

High Purity Steroid white Powder7-keto DHEA acetate CAS NO.1449-61-2

Cas:1449-61-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Xinhao Biotechnology Co., Ltd.

Our Strengths 1.Place of Origin China with Super quality by reasonable price. 2.Fast delivery by safe express way to all the country. 3.Has a number of highly qualified engineers and experts to provide guidance for reagents. 4.When you meet problems

Factory supply Androst-5-en-3-ol-7,17-dione acetate with Good Price CAS NO.1449-61-2

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Trading Company

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development 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 chemi

7-Keto-DHEA Acetate

Cas:1449-61-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

7-keto DHEA acetate 1449-61-2

Cas:1449-61-2

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder ha

7-Keto-DHEA acetate

Cas:1449-61-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Siwei Development Group Ltd.

Product name: 7,17-Dioxoandrost-5-En-3-yl Acetate CAS No.:1449-61-2 Molecule Formula:C21H28O4 Molecule Weight:344.44 Purity: 99.0% Package: 25kg/drum Description:White or off-white crystalline powder Manufacture Standards:Enterprise Standard

High Quality 7,17-Dioxoandrost-5-En-3-yl Acetate on stock

Cas:1449-61-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

acetic anhydride
108-24-7

acetic anhydride

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 0.0333333h; microwave irradiation;96%
for 3h; Reflux;85%
prasterone acetate
853-23-6

prasterone acetate

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
With N-hydroxyphthalimide; sodium dichromate; chromium(III) perchlorate In water; acetonitrile at 20℃; for 48h; Product distribution / selectivity;93%
With tert.-butylhydroperoxide; N-hydroxyphthalimide; cobalt(II) acetate In acetone at 20℃; for 5h; regioselective reaction;93.7%
Stage #1: prasterone acetate With tert.-butylhydroperoxide; 3 A molecular sieve In decane; ethyl acetate at 20℃; for 0.5h;
Stage #2: With manganese triacetate In decane; ethyl acetate at 20℃; for 30h;
91%
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β,5-dihydroxy-5α-androstane-6,17-dione 3-acetate
39933-10-3

3β,5-dihydroxy-5α-androstane-6,17-dione 3-acetate

C

3β-acetoxy-5β,6β-epoxyandrostan-17-one
6585-68-8

3β-acetoxy-5β,6β-epoxyandrostan-17-one

Conditions
ConditionsYield
With chromyl acetate In dichloromethane at -78℃; for 0.25h;A 30 mg
B 60 mg
C 77%
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

7α-hydroxy-17-oxoandrost-5-ene-3β-yl acetate
37976-94-6

7α-hydroxy-17-oxoandrost-5-ene-3β-yl acetate

Conditions
ConditionsYield
With tert.-butylhydroperoxide; manganese(IV) oxide In dichloromethane; water at -20℃; for 22h; Reflux; regioselective reaction;A 75%
B 13%
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

(3S,6aR,6bS,9aS,11aS,11bR)-9a,11b-dimethyl-9-oxohexadecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-3-yl acetate
929270-02-0

(3S,6aR,6bS,9aS,11aS,11bR)-9a,11b-dimethyl-9-oxohexadecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-3-yl acetate

Conditions
ConditionsYield
With tert.-butylhydroperoxide; chromium(VI) oxide In dichloromethane for 24h; Ambient temperature;A 52%
B 8%
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

7α-hydroxy-17-oxoandrost-5-ene-3β-yl acetate
37976-94-6

7α-hydroxy-17-oxoandrost-5-ene-3β-yl acetate

C

3β-acetoxy-5β,6β-epoxyandrostan-17-one
6585-68-8

3β-acetoxy-5β,6β-epoxyandrostan-17-one

D

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate
14545-93-8

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate

Conditions
ConditionsYield
With ferric picolinate complexes; dihydrogen peroxide In acetonitrile for 3h; Ambient temperature;A 22%
B 39.3%
C 1.9%
D 0.7%
With ferric picolinate complexes; dihydrogen peroxide In acetonitrile for 3h; Ambient temperature;A 22%
B 39.3%
C 1.9%
D 0.7%
3β-acetoxy-17-picolinylidene-androst-5-ene
84412-82-8

3β-acetoxy-17-picolinylidene-androst-5-ene

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
With chromium(VI) oxide In acetic anhydride; acetic acid at 90 - 95℃; for 1h;10.6%
3β-acetoxy-17-picolinylidene-androst-5-ene
84412-82-8

3β-acetoxy-17-picolinylidene-androst-5-ene

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β-acetoxy-17-picolinylidene-5-androstene-7-one
83830-40-4

3β-acetoxy-17-picolinylidene-5-androstene-7-one

Conditions
ConditionsYield
With chromium(VI) oxide In water; acetic acid at 90 - 95℃; for 1h;A 9.8%
B 8.9%
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β-acetoxy-5β,6β-epoxyandrostan-17-one
6585-68-8

3β-acetoxy-5β,6β-epoxyandrostan-17-one

C

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate
14545-93-8

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate

Conditions
ConditionsYield
With Mn(OTf)2(dMMpdp); dihydrogen peroxide; trimethylpyruvic acid In water; ethyl acetate; acetonitrile at 20℃; for 1h; Reagent/catalyst; diastereoselective reaction;A 8%
B n/a
C n/a
With Fe(OTf)2(dMMpdp); dihydrogen peroxide; trimethylpyruvic acid In water; ethyl acetate; acetonitrile at 20℃; for 1h; diastereoselective reaction;A 2%
B n/a
C n/a
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β-acetoxy-5,20-dioxo-5,6-secoandrostan-6-oic acid
98128-97-3

3β-acetoxy-5,20-dioxo-5,6-secoandrostan-6-oic acid

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid
3β-acetoxy-7α-azidoandrost-5-en-17-one
27270-51-5

3β-acetoxy-7α-azidoandrost-5-en-17-one

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
With lead(IV) acetate; trimethylsilylazide
androstenediol-3-acetate
1639-43-6

androstenediol-3-acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β-acetoxy-17β-hydroxy-5-androsten-7-one
55935-02-9

3β-acetoxy-17β-hydroxy-5-androsten-7-one

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(l) iodide In decane; acetonitrile at 50℃; for 24h; Title compound not separated from byproducts;A n/a
B 70 % Spectr.
With tert.-butylhydroperoxide; cobalt(II) acetate In decane; acetonitrile at 55℃; for 24h;A n/a
B 70 % Spectr.
prasterone acetate
853-23-6

prasterone acetate

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β,6α-diacetoxy-5-hydroxy-5α-androstan-17-one
528870-28-2

3β,6α-diacetoxy-5-hydroxy-5α-androstan-17-one

C

3β-acetoxy-5β,6β-epoxyandrostan-17-one
6585-68-8

3β-acetoxy-5β,6β-epoxyandrostan-17-one

D

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate
14545-93-8

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate

Conditions
ConditionsYield
With potassium permanganate; sodium perborate; acetic acid Ambient temperature;A 30 mg
B 73 mg
C 292 mg
D 67 mg
prasterone acetate
853-23-6

prasterone acetate

acetic acid
64-19-7

acetic acid

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

3β,6α-diacetoxy-5-hydroxy-5α-androstan-17-one
528870-28-2

3β,6α-diacetoxy-5-hydroxy-5α-androstan-17-one

C

3β-acetoxy-5β,6β-epoxyandrostan-17-one
6585-68-8

3β-acetoxy-5β,6β-epoxyandrostan-17-one

D

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate
14545-93-8

5α,6α-epoxy-17-oxoandrostan-3β-yl acetate

Conditions
ConditionsYield
With potassium permanganate; sodium perborate Ambient temperature;A 30 mg
B 73 mg
C 292 mg
D 67 mg
acetic anhydride
108-24-7

acetic anhydride

3β-hydroxy-androstene-(5)-dione-(7.17)

3β-hydroxy-androstene-(5)-dione-(7.17)

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
With pyridine
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

acetic anhydride
108-24-7

acetic anhydride

A

3β,7α-diacetoxyandrost-5-en-17-one
2863-23-2

3β,7α-diacetoxyandrost-5-en-17-one

B

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

C

3β,7α,17β-triacetoxyandrost-5-ene

3β,7α,17β-triacetoxyandrost-5-ene

Conditions
ConditionsYield
Stage #1: dehydroepiandrosterone With fungus Fusarium oxysporum var. cubense In ethanol at 27℃; for 180h; biotransformation; Acetylation; Microbiological reaction; fungus from rhizome of banana plant showing symptoms of Panama disease;
Stage #2: acetic anhydride With pyridine at 60℃;
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: acetic acid; sodium acetate / 18 h / 65 °C
1.2: 94 percent / H2O / 4 h / 20 °C
View Scheme
aqueous sodium hypochlorite

aqueous sodium hypochlorite

dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

prasterone acetate
853-23-6

prasterone acetate

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Conditions
ConditionsYield
With tert.-butylhydroperoxide; sodium hydroxide; sodium acetate; sodium sulfite In water; acetic anhydride; ethyl acetate
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

B

7α-hydroxy-17-oxoandrost-5-ene-3β-yl acetate
37976-94-6

7α-hydroxy-17-oxoandrost-5-ene-3β-yl acetate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine
2: tert.-butylhydroperoxide; manganese(IV) oxide / water; dichloromethane / 22 h / -20 °C / Reflux
View Scheme
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-Acetoxy-7,17-dioxo-5α-androstan
13258-27-0

3β-Acetoxy-7,17-dioxo-5α-androstan

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran at 25℃; under 775.743 Torr; for 48h;97%
With hydrogen; Lindlar's catalyst In 1,4-dioxane
With hydrogen; palladium on activated charcoal In isopropyl alcohol
With hydrogen; palladium on activated charcoal In ethanol
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Acetic acid (3S,5R,6R,8R,9S,10R,13S,14S)-5,6-dihydroxy-10,13-dimethyl-7,17-dioxo-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester

Acetic acid (3S,5R,6R,8R,9S,10R,13S,14S)-5,6-dihydroxy-10,13-dimethyl-7,17-dioxo-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester

Conditions
ConditionsYield
With osmium(VIII) oxide In pyridine for 2.5h; Ambient temperature;88%
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-acetoxy-17β-hydroxy-5-androsten-7-one
55935-02-9

3β-acetoxy-17β-hydroxy-5-androsten-7-one

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol; ethyl acetate at 0℃; for 0.333333h;82%
With lithium tri(t-butoxy)aluminum hydride In tetrahydrofuran for 0.116667h; Ambient temperature;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-acetoxy-17a-oxo-androst-5-ene-7,17-dione

3β-acetoxy-17a-oxo-androst-5-ene-7,17-dione

Conditions
ConditionsYield
With peracetic acid; toluene-4-sulfonic acid; acetic acid at 20℃; for 18h; Baeyer-Villiger reaction;67%
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-acetoxyandrostane-7,17-dione

3β-acetoxyandrostane-7,17-dione

Conditions
ConditionsYield
With hydrogen; palladium 10% on activated carbon In ethanol under 760.051 Torr; for 2h;60%
With hydrogen; palladium 10% on activated carbon In ethanol under 760.051 Torr; for 2h;60%
With hydrogen; palladium 10% on activated carbon In ethanol under 760.051 Torr; for 2h;60%
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β, 17β-diacetoxyandrost-5-ene-7-one
13209-60-4

3β, 17β-diacetoxyandrost-5-ene-7-one

Conditions
ConditionsYield
With lithium tri-t-butoxyaluminum hydride und anschliessend mit Acetanhydrid;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-Acetoxy-5-androsten-7α,17β-diol

3β-Acetoxy-5-androsten-7α,17β-diol

Conditions
ConditionsYield
With sodium tetrahydroborate In 1,4-dioxane; ethanol Ambient temperature;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-acetoxyandrost-5-ene-7β,17β-diol

3β-acetoxyandrost-5-ene-7β,17β-diol

Conditions
ConditionsYield
With sodium tetrahydroborate In 1,4-dioxane; ethanol Ambient temperature;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

benzoyl chloride
98-88-4

benzoyl chloride

5,7-bisdehydro-3β-acetoxy-17β-benzoyloxy-androstane
123131-09-9

5,7-bisdehydro-3β-acetoxy-17β-benzoyloxy-androstane

Conditions
ConditionsYield
(i) NaBH4 (ii) /BRN= 471389/, Py, (iii) N,N-dimethylaniline; Multistep reaction;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

3β-Acetoxy-5,17-dioxo-5,7-seco-B-nor-androstan-7-oic acid
87126-22-5

3β-Acetoxy-5,17-dioxo-5,7-seco-B-nor-androstan-7-oic acid

Conditions
ConditionsYield
(i) O3, O2, AcOH, AcOEt, (ii) aq. H2SO4; Multistep reaction;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

benzoyl chloride
98-88-4

benzoyl chloride

3β-acetoxy-17β-benzoyloxyandrost-5-en-7-one
71583-35-2

3β-acetoxy-17β-benzoyloxyandrost-5-en-7-one

Conditions
ConditionsYield
(i) Li, THF, (ii) /BRN= 471389/, Py; Multistep reaction;
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

5α-androstane-3,7,17-trione
4147-15-3

5α-androstane-3,7,17-trione

Conditions
ConditionsYield
(i) H2, Pd-C, EtOH, (ii) aq. K2CO3, MeOH, (iii) aq. CrO3, H2SO4, acetone; Multistep reaction;
Multi-step reaction with 3 steps
1: H2 / Pd-C / ethanol
2: NaOH / methanol / Heating
3: CrO3, Py
View Scheme
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With sodium carbonate In methanol
With sodium hydrogencarbonate In methanol307 mg
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

Phenylselenyl chloride
5707-04-0

Phenylselenyl chloride

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

A

Acetic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
216484-82-1

Acetic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

B

Trimethylsilanyl-acetic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Trimethylsilanyl-acetic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Conditions
ConditionsYield
With pyridine; water; lithium diisopropyl amide Multistep reaction. Title compound not separated from byproducts;
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

A

Acetic acid (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-7-oxo-17-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Acetic acid (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-7-oxo-17-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

B

Trimethylsilanyl-acetic acid (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-7-oxo-17-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Trimethylsilanyl-acetic acid (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-7-oxo-17-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Conditions
ConditionsYield
With water; lithium diisopropyl amide 1.) THF, hexane, from -78 deg C to RT, 2.) Et2O, 15 min; Multistep reaction. Title compound not separated from byproducts;
Phenylselenyl chloride
5707-04-0

Phenylselenyl chloride

3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

Acetic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
216484-82-1

Acetic acid (3S,8R,9S,10R,13S,14S,16R)-10,13-dimethyl-7,17-dioxo-16-phenylselanyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Conditions
ConditionsYield
With pyridine; chloro-trimethyl-silane; tetrabutyl ammonium fluoride; water; lithium diisopropyl amide Yield given. Multistep reaction;

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