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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 7-Keto-Dhea

Cas:566-19-8

Min.Order:1

Negotiable

Type:Other

inquiry

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

7-Keto-dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

99% up GMP DMF 7-Keto-dehydroepiandrosterone 566-19-8

Cas:566-19-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White or almoset white crystalline powder White crystalline powder Purity

High purity 7-keto DHEA with high quality and best price cas:566-19-8

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $550.0 / 800.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers

7-Keto-dehydroepiandrosterone 566-19-8

Cas:566-19-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable

7-Keto-dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

inquiry

Hefei TNJ chemical industry co.,ltd

Specification Description White crystalline powder Loss on drying NMT 0.5% Melting point 240

7-Keto-dehydroepiandrosterone, CAS No. 566-19-8

Cas:566-19-8

Min.Order:5 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

7-Keto-dehydroepiandrosterone CAS No.:566-19-8 Name: 7-Keto-dehydroepiandrosterone Synonyms: 7-Hydroxydehydroepiandrosterone; 5-Androstene-3b-ol-7,17-dione Molecular Stru

High purity 7-Keto-dehydroepiandrosterone CAS No.:566-19-8

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

inquiry

Kono Chem Co.,Ltd

7-keto DHEA Product Name: 7-keto DHEA Quantity: 15kg Batch No: Y016-3

CAS:566-19-8 7-Keto-dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

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% 7-Keto-dehydroepiandrosterone 566-19-8 ISO Producer

Cas:566-19-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

7-Keto-Dehydroepiandrosterone CAS: 566-19-8 Molecular Formula: C19H26O3 Home Product Category Organic raw materials Ketones 566-19-8 566-19-8 - Names and Identifiers Name 7-Keto-Dehydroepiandrosterone Synonyms 7-Ke

Factory high quality 7-Keto-Dehydroepiandrosterone/7-Keto DHEA

Cas:566-19-8

Min.Order:1 Gram

FOB Price: $159.0 / 170.0

Type:Trading Company

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-dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

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

7-Oxodehydroepiandrosterone

Cas:566-19-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:7-Keto-Dehydroepiandrosterone CAS NO: 566-19-8 Grade:Medical scientific research and export Molecular formula: C19H26O3 Molecular weight: 302.4079 Product Quality 12 years of chemical raw materials Mature operation of the industry Sys

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_ 7-Keto-dehydroepiandrosterone 566-19-8

Cas:566-19-8

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-Keto-Dehydroe Piandrosterone CAS: 566-19-8

Cas:566-19-8

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

New production CAS 566-19-8 with best quality

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

hot sell 7-Keto-dehydroepiandrosterone

Cas:566-19-8

Min.Order:10 Gram

Negotiable

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

7-Keto-dehydroepiandrosterone/ LIDE PHARMA- Factory supply / Best price

Cas:566-19-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

Weight Loss Steroid Testosterone Anabolic Steroid 7-Keto DHEA

Cas:566-19-8

Min.Order:10 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

7-Keto-dehydroepiandrosterone 566-19-8

Cas:566-19-8

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

Application of 7-keto-dehydroepiandrosterone made in China

Cas:566-19-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, Nuevo Laredo, Mexico, Vancouver, Canada, Amsterdam, The Netherlands and Melbourne, Australia. Overseas warehouses can provide some of the best selling products. We look forward to cooperating with strong loc

7-T 566-19-8 powder 7-Keto-Dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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,

7-Keto-dehydroepiandrosterone HIGH PURITY CAS 566-19-8 SUPPLY BY FACTORY CAS NO.566-19-8

Cas:566-19-8

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 FACTORY SUPPLY

Cas:566-19-8

Min.Order:10 Gram

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

CAS NO.:566-19-8

Cas:566-19-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

7-Keto-dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

7-Oxodehydroepiandrosterone CAS: 566-19-8 Specification Item Standard Identification A.H-NMR:Comply with the structure B.LC-MS:Comply with the structure C.The

Factory supply 7-Oxodehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

inquiry

ShangHai Soyoung Biotechnology Inc

Trade Assurance Get full protection for your orders 100% Product quality protection 100% On-time shipment protection 100% Payment protection Appearance:white powder Storage:normal temperature Package:1kg, 5kg, 25kg by plastic bag and aluminum foi

7-Keto-DHEA 566-19-8 7-Keto-Dehydroepiandrosterone

Cas:566-19-8

Min.Order:1 Kilogram

FOB Price: $700.0

Type:Lab/Research institutions

inquiry

Shanxi Ankesi Biotechnology 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 qual

High Quality 7-Keto-dehydroepiandrosterone CAS 566-19-8 AKS

Cas:566-19-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Synthetic route

dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With tert.-butylhydroperoxide; N-hydroxyphthalimide; cobalt(II) acetate In acetone at 20℃; for 5h; regioselective reaction;81.1%
With N-hydroxyphthalimide; sodium dichromate; chromium(III) perchlorate In acetone at 20℃; for 48h; Product distribution / selectivity;74.25%
With tert.-butylhydroperoxide; dirhodium(II) tetrakis(caprolactam) In water; 1,2-dichloro-ethane at 40℃; for 20h;74%
(3S,8R,9S,10R,13S,14S)-3-hydroxy-10,13-dimethyl-1,3,4,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolan]-7(2H)-one
166173-97-3

(3S,8R,9S,10R,13S,14S)-3-hydroxy-10,13-dimethyl-1,3,4,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolan]-7(2H)-one

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With perchloric acid; water In acetone at 20℃; for 20h;65%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

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

5-androstene-3β-ol-7,17-dione

B

3β,7α-dihydroxyandrost-5-ene-17-one
2487-48-1, 7522-54-5, 62357-03-3, 53-00-9

3β,7α-dihydroxyandrost-5-ene-17-one

C

5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
With Mortierella isabellina AM212 fungal strain for 12h; Enzymatic reaction;A 6%
B 53.5%
C 24%
With Absidia coerulea AM93 In acetone at 20℃; for 8h; Time; Enzymatic reaction;A 5.5%
B 22%
C 49%
3β-hydroxy-17,17-ethylenedioxo-5-androstene
7745-40-6, 14456-21-4

3β-hydroxy-17,17-ethylenedioxo-5-androstene

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With CrO3/NHPI on activated clay In dichloromethane at 20℃;40%
prasterone acetate
853-23-6

prasterone acetate

A

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

5-androstene-3β-ol-7,17-dione

B

3β,7α-dihydroxyandrost-5-ene-17-one
2487-48-1, 7522-54-5, 62357-03-3, 53-00-9

3β,7α-dihydroxyandrost-5-ene-17-one

C

5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

D

3β,14α-dihydroxyandrost-5-en-7,17-dione
58211-52-2

3β,14α-dihydroxyandrost-5-en-7,17-dione

Conditions
ConditionsYield
With Cunninghamella elegans In ethanol for 72h; Further byproducts given;A 5.4%
B 26.8%
C 9%
D 1.1%
With Cunninghamella elegans In ethanol for 72h; Further byproducts given;A 5.4%
B 26.8%
C 9%
D 1.1%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

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

5-androstene-3β-ol-7,17-dione

B

3β,7α-dihydroxyandrost-5-ene-17-one
2487-48-1, 7522-54-5, 62357-03-3, 53-00-9

3β,7α-dihydroxyandrost-5-ene-17-one

C

5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

D

3β,7β-dihydroxy-5β,6β-epoxyandrostan-17-one

3β,7β-dihydroxy-5β,6β-epoxyandrostan-17-one

E

3β,4β,7β-trihydroxyandrost-5-en-17-one

3β,4β,7β-trihydroxyandrost-5-en-17-one

F

3β,7α-dihydroxy-5β,6β-epoxyandrostan-17-one

3β,7α-dihydroxy-5β,6β-epoxyandrostan-17-one

G

3β,4β,7α-trihydroxyandrost-5-en-17-one

3β,4β,7α-trihydroxyandrost-5-en-17-one

Conditions
ConditionsYield
With Ulocladium chartarum MRC 72584 In water; N,N-dimethyl-formamide at 28℃; for 120h; Enzymatic reaction;A 6%
B 12%
C 16%
D 3%
E 4%
F 2%
G 3%
prasterone acetate
853-23-6

prasterone acetate

A

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

5-androstene-3β-ol-7,17-dione

B

5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

C

5,6β-epoxy-3β,12α-dihydroxy-5β-androstan-17-one
58324-06-4

5,6β-epoxy-3β,12α-dihydroxy-5β-androstan-17-one

D

3β,14α-dihydroxyandrost-5-en-7,17-dione
58211-52-2

3β,14α-dihydroxyandrost-5-en-7,17-dione

Conditions
ConditionsYield
With Cunninghamella elegans In ethanol for 72h; Further byproducts given;A 5.4%
B 9%
C 4.1%
D 1.1%
prasterone acetate
853-23-6

prasterone acetate

di-tert-butyl chromate
1189-85-1

di-tert-butyl chromate

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
und anschliessend Hydrolysieren;
prasterone acetate
853-23-6

prasterone acetate

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With chromium(VI) oxide und anschliessend Hydrolysieren;
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
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

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

5-androstene-3β-ol-7,17-dione

B

3β,7α-dihydroxyandrost-5-ene-17-one
2487-48-1, 7522-54-5, 62357-03-3, 53-00-9

3β,7α-dihydroxyandrost-5-ene-17-one

C

Androst-5-ene-3beta,7alpha,17beta-triol
2697-85-0, 62357-04-4, 2226-66-6

Androst-5-ene-3beta,7alpha,17beta-triol

Conditions
ConditionsYield
With fungus Fusarium oxysporum var. cubense In ethanol at 27℃; Product distribution; biotransformation; Microbiological reaction; fungus Fusarium oxysporum var. cubense (from rhizome of banana plant showing symptoms of Panama disease);
With fungus Fusarium oxysporum In ethanol at 27℃; for 180h; biotransformation; Title compound not separated from byproducts;
7-oxo-dehydroepiandrosterone-3β-sulfate

7-oxo-dehydroepiandrosterone-3β-sulfate

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With perchloric acid In ethyl acetate at 25℃; for 0.25h;99.5 % Chromat.
5-androsten-7,17-dione-3β-ol ethylene ketal tert-butyldimethylsilyl ether
202415-77-8

5-androsten-7,17-dione-3β-ol ethylene ketal tert-butyldimethylsilyl ether

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran; methanol
prasterone acetate
853-23-6

prasterone acetate

KMnO4

KMnO4

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / N-hydroxyphthalimide, azobis(cyclohexane-carbonitrile), air / acetone; ethyl acetate / 9 h / Heating
2: Na2CO3 / methanol
View Scheme
3β,7α-dihydroxyandrost-5-ene-17-one
2487-48-1, 7522-54-5, 62357-03-3, 53-00-9

3β,7α-dihydroxyandrost-5-ene-17-one

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With polyoxyethylenesorbitan monooleate; soy protein, hydrolyzed; dipotassium hydrogenphosphate; potassium dihydrogenphosphate; yiest; autolysed extract of In water for 144h; Enzymatic reaction;
With Mortierella isabellina AM212 fungal strain for 12h; Enzymatic reaction;9.7 %Chromat.
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

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

5-androstene-3β-ol-7,17-dione

Conditions
ConditionsYield
With Mortierella isabellina AM212 fungal strain for 12h; Enzymatic reaction;32 %Chromat.
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%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

(3β)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]androst-5-ene-7,17-dione
157302-54-0

(3β)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]androst-5-ene-7,17-dione

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 3h;92.6%
With 1H-imidazole
1H-imidazole
288-32-4

1H-imidazole

to-butyldimethysilyl chloride

to-butyldimethysilyl chloride

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

5-androstene-3β-ol-7,17-dione

3β-t-butyldimethylsilyloxyandrost-5-ene-7,17-dione

3β-t-butyldimethylsilyloxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In N-methyl-acetamide92.6%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

3β-carboethoxyandrost-5-ene-7,17-dione

3β-carboethoxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine at 0 - 5℃;90%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

3β-carboethoxyandrost-5-ene-7,17-dione

3β-carboethoxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine90%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

5-androstene-3β,7β,17β-triol
2697-85-0

5-androstene-3β,7β,17β-triol

Conditions
ConditionsYield
With sodium tetrahydroborate; cerium(III) chloride In methanol; dichloromethane at 0 - 5℃; for 0.5h; pH=15;88%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With perchloric acid In methanol; water at 20℃; for 12h;80%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

C21H20Cl5NO3

C21H20Cl5NO3

androst-5-en-7,17-dione-3β-yl 2-[4-N,N-bis(2-chloroethyl)amino-phenyl]butanoate
1454311-30-8

androst-5-en-7,17-dione-3β-yl 2-[4-N,N-bis(2-chloroethyl)amino-phenyl]butanoate

Conditions
ConditionsYield
With dmap In toluene for 1.5h; Inert atmosphere; Reflux;80%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

isobutyl chloroformate
543-27-1

isobutyl chloroformate

3β-carboiso-butoxyandrost-5-ene-7,17-dione

3β-carboiso-butoxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine at 0 - 5℃;78%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

3β-hydroxy-5,17-dioxo-5,7-seco-B-norandrost-7-oic acid

3β-hydroxy-5,17-dioxo-5,7-seco-B-norandrost-7-oic acid

Conditions
ConditionsYield
With potassium permanganate; sodium periodate; potassium carbonate In water; tert-butyl alcohol at 60℃; for 2.33333h;78%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

Allyl chloroformate
2937-50-0

Allyl chloroformate

3β-carboallyloxyandrost-5-ene-7,17-dione

3β-carboallyloxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In tetrahydrofuran-pyridine78%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

isobutyl chloroformate
543-27-1

isobutyl chloroformate

3β-carboisobutoxyandrost-5-ene-7,17-dione

3β-carboisobutoxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine78%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

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

5-androstene-3β-ol-7,17-dione

A

3β-(2-tetrahydropyranyloxy)-androst-5-ene-7,17-dione
102890-86-8

3β-(2-tetrahydropyranyloxy)-androst-5-ene-7,17-dione

B

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 3h;A 68%
B 0.150 g
octyl chloroformate
7452-59-7

octyl chloroformate

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

5-androstene-3β-ol-7,17-dione

3β-carbooctyloxyandrost-5-ene-7,17-dione

3β-carbooctyloxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine at 0 - 5℃;65%
octyl chloroformate
7452-59-7

octyl chloroformate

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

5-androstene-3β-ol-7,17-dione

3β-carbooctyloxyandrost-5-ene-7,17-dione
1056899-12-7

3β-carbooctyloxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine65%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

(fluorenylmethoxy)carbonyl chloride
28920-43-6

(fluorenylmethoxy)carbonyl chloride

3β-carbo(9-fluorenyl)methoxyandrost-5-ene-7,17-dione

3β-carbo(9-fluorenyl)methoxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
In pyridine at 20℃; for 1h;57%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

androst-5-ene-3,7,17-trione

androst-5-ene-3,7,17-trione

Conditions
ConditionsYield
With cyclohexanone; aluminum isopropoxide; toluene
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

3β-Tosyloxy-androsten-(5)-dion-(7,17)
897039-72-4

3β-Tosyloxy-androsten-(5)-dion-(7,17)

Conditions
ConditionsYield
With pyridine
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

(3aS,4R,5S,7aS)-5-((1R,4S)-4-Hydroxy-1-methyl-2-oxo-cyclohexyl)-7a-methyl-1-oxo-octahydro-indene-4-carboxylic acid methyl ester

(3aS,4R,5S,7aS)-5-((1R,4S)-4-Hydroxy-1-methyl-2-oxo-cyclohexyl)-7a-methyl-1-oxo-octahydro-indene-4-carboxylic acid methyl ester

Conditions
ConditionsYield
(i) aq. H2O2, KOH, MeOH, (ii) /BRN= 102415/; Multistep reaction;
butanoic acid anhydride
106-31-0

butanoic acid anhydride

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

5-androstene-3β-ol-7,17-dione

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

Butyric acid (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-7,17-dioxo-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
n-dodecanoyl chloride
112-16-3

n-dodecanoyl chloride

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

5-androstene-3β-ol-7,17-dione

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

Dodecanoic acid (3S,8R,9S,10R,13S,14S)-10,13-dimethyl-7,17-dioxo-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
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