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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

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE CAS:2487-48-1

Cas:2487-48-1

Min.Order:1 Kilogram

FOB Price: $50.0 / 80.0

Type:Trading Company

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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 2487-48-1 with best quality

Cas:2487-48-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

5-Androsten-3beta,7beta-diol-17-one/ LIDE PHARMA- Factory supply / Best price

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE CAS:2487-48-1 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 qua

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE CAS:2487-48-1

Cas:2487-48-1

Min.Order:1 Gram

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

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

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

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

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-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

5-Androsten-3beta,7beta-diol-17-one

Cas:2487-48-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

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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

5-Androsten-3beta,7beta-diol-17-one

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Manufacturers

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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

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Manufacturers

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

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

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 to Off-White Solid Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by Sea

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

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

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

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

2487-48-1

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

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

5-ANDROSTEN-3-BETA, 7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

5-Androsten-3-beta, 7-beta-diol-17-one

Cas:2487-48-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jusheng Technology Co., Ltd.,

1, High quality with competitive price: We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcels can be sent out within 24 hours after payment. Tracking number is available. 2)

Octyl and Decyl Glycerate

Cas:2487-48-1

Min.Order:20 Gram

Negotiable

Type:Trading Company

inquiry

Xi'an SENYI New Material Technology Co., Ltd

Our Advantage High quality, competitive price, adequate stock and fast delivery competitive price. 1. Enterprise standard and 99% purity. 2.We are manufacturer and can provide high quality products with factory price. 3.Safe and fast delivery 1)Parce

Factory Direct supply 7β-Hydroxydehydroepiandrosterone CAS NO. 2487-48-1

Cas:2487-48-1

Min.Order:1 Kilogram

FOB Price: $200.0 / 210.0

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

7BETA-HYDROXY DHEA CAS NO.2487-48-1

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

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HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

Factory 5-Androsten-3beta,7beta-diol-17-one supply

Cas:2487-48-1

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chungking Joyinchem Co., Ltd.

Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom

Androst-5-en-17-one,3,7-dihydroxy-, (3b,7b)-

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 5-ANDROSTEN-3-BETA,7-BETA-DIOL-17-ONE, CAS:2487-48-1 with the most competitive price

5-ANDROSTEN-3-BETA,7-BETA-DIOL-17-ONE

Cas:2487-48-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

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

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
With sodium carbonate In methanol; water for 1.25h; Heating;83%
With water; sodium carbonate In methanol for 3h; Reflux;75%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
With Dipodia gossypina54%
mit Hilfe einer Rhizopus-Art;
With Botryodiplodia malorum In phosphate buffer; dimethyl sulfoxide at 30℃; for 72h; pH=6.0; Microbiological reaction;
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%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

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

B

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
With Aspergillus wentii MRC 200316 In water; N,N-dimethyl-formamide at 27℃; for 120h; pH=7.2; Culture medium; Microbiological reaction; Enzymatic reaction;A 51%
B 12%
With dipotassium hydrogenphosphate; magnesium sulfate heptahydrate; Maltose for 96h; Enzymatic reaction;A 43.6%
B 12.6%
With Mucor racemosus In acetone at 27℃; for 96h;A 40.9%
B 18%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

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

B

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

5-androsten-3β,7β-diol-17-one

C

3β,5α,6β-trihydroxy-5α-androstan-17-one
10161-36-1

3β,5α,6β-trihydroxy-5α-androstan-17-one

D

3β,11α-dihydroxyandrost-5-en-17-one
39663-17-7

3β,11α-dihydroxyandrost-5-en-17-one

Conditions
ConditionsYield
With Cephalosporium aphidicola In ethanol; dimethyl sulfoxide for 192h;A 31%
B 25%
C 6%
D 6%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

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

B

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

5-androsten-3β,7β-diol-17-one

C

3β-hydroxy-13,17-secoandrost-5-ene-17,13α-lactone
2061-72-5

3β-hydroxy-13,17-secoandrost-5-ene-17,13α-lactone

D

testololactone
4416-57-3

testololactone

Conditions
ConditionsYield
With Aspergillus tamarii MRC 72400 In N,N-dimethyl-formamide at 25℃; for 120h; Baeyer-Villiger oxidation; Microbiological reaction;A 24%
B 13%
C 28%
D 6%
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%
Benzoic acid (3S,7R,8R,9S,10R,13S,14S)-7-isobutyryloxy-10,13-dimethyl-17-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
188176-04-7

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
With sodium hydroxide In tetrahydrofuran; methanol at 60℃; for 29h;26%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

6α-hydroxy-androst-4-ene-3,17-dione
24704-84-5

6α-hydroxy-androst-4-ene-3,17-dione

B

5α-androst-3,6,17-trione
2243-05-2

5α-androst-3,6,17-trione

C

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

D

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

5-androsten-3β,7β-diol-17-one

E

7α-hydroxyandrost-4-ene-3,17-dione
62-84-0, 31427-20-0

7α-hydroxyandrost-4-ene-3,17-dione

F

6β-hydroxy-4-androstene-3,17-dione
63-00-3

6β-hydroxy-4-androstene-3,17-dione

Conditions
ConditionsYield
With Cladosporium sphaerospermum MRC 70266 In water; N,N-dimethyl-formamide at 28℃; for 120h; Enzymatic reaction;A 5%
B 4%
C 20%
D 4%
E 6%
F 15%
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%
3α,5-cyclo-5α-androstan-6β-ol-17-one
663-39-8

3α,5-cyclo-5α-androstan-6β-ol-17-one

A

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

B

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

5-androsten-3β,7β-diol-17-one

C

3β,14α-dihydroxy-androst-5-en-17-one
94991-86-3

3β,14α-dihydroxy-androst-5-en-17-one

D

14α-hydroxy-3α,5-cycloandrostane-6,17-dione

14α-hydroxy-3α,5-cycloandrostane-6,17-dione

Conditions
ConditionsYield
With culture of Cephalosporium aphidicola In ethanol; dimethyl sulfoxide for 192h; Oxidation; hydroxylation; rearrangement; biotransformation; Further byproducts given;A 15%
B 13%
C 6%
D 2%
3α,5-cyclo-5α-androstan-6β-ol-17-one
663-39-8

3α,5-cyclo-5α-androstan-6β-ol-17-one

A

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

B

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

5-androsten-3β,7β-diol-17-one

C

3β,5α,6β-trihydroxy-5α-androstan-17-one
10161-36-1

3β,5α,6β-trihydroxy-5α-androstan-17-one

D

6β,14α-dihydroxy-3α,5-cycloandrostan-17-one
24357-28-6

6β,14α-dihydroxy-3α,5-cycloandrostan-17-one

Conditions
ConditionsYield
With culture of Cephalosporium aphidicola In ethanol; dimethyl sulfoxide for 192h; Oxidation; hydroxylation; rearrangement; biotransformation; Further byproducts given;A 15%
B 13%
C 9%
D 10%
Conditions
ConditionsYield
With dipotassium hydrogenphosphate; magnesium sulfate heptahydrate; Maltose for 96h; Enzymatic reaction;A 8.9%
B 11.1%
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%
5-androsten-3β,7β-diol-17-one ethylene ketal 3-tert-butyldimethylsilyl ether
202415-78-9

5-androsten-3β,7β-diol-17-one ethylene ketal 3-tert-butyldimethylsilyl ether

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran; methanol
3β-acetoxy-20-hydroxyiminopregna-5,16-diene
23549-24-8, 23549-26-0, 2174-13-2

3β-acetoxy-20-hydroxyiminopregna-5,16-diene

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: POCl3; pyridine / toluene / 4 h / 10 - 20 °C
1.2: 51.8 percent / KOH / methanol / Heating
2.1: 18 percent / Mucor racemosus / acetone / 96 h / 27 °C
View Scheme
16-dehydropregnenolone acetate
979-02-2

16-dehydropregnenolone acetate

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: 87 percent / NH2OH*HCl / pyridine; ethanol; H2O / 0.5 h / Heating
2.1: POCl3; pyridine / toluene / 4 h / 10 - 20 °C
2.2: 51.8 percent / KOH / methanol / Heating
3.1: 18 percent / Mucor racemosus / acetone / 96 h / 27 °C
View Scheme
diosgenin
512-04-9

diosgenin

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: NH4Cl / pyridine / Heating
1.2: CrO3; CH3COOH / 1,2-dichloro-ethane / 0 °C
1.3: AcONa*3H2O / Heating
2.1: 87 percent / NH2OH*HCl / pyridine; ethanol; H2O / 0.5 h / Heating
3.1: POCl3; pyridine / toluene / 4 h / 10 - 20 °C
3.2: 51.8 percent / KOH / methanol / Heating
4.1: 18 percent / Mucor racemosus / acetone / 96 h / 27 °C
View Scheme
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-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaBH4; CeCl3
2: HCl / methanol; tetrahydrofuran
View Scheme
3β-benzoyloxy-androst-5-en-17-one
83205-52-1, 2080-86-6

3β-benzoyloxy-androst-5-en-17-one

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: 91 percent / NaBH4 / CH2Cl2 / 2 h / 10 °C
2: 81 percent / pyridine / 48 h / Ambient temperature
3: 68 percent / CrO3, 3,5-dimethylpyrazole / CH2Cl2 / 3 h / -20 °C
4: 83 percent / CeCl3*5H2O, NaBH4 / tetrahydrofuran; methanol / 0.08 h
5: 90 percent / pyridine / 1 h / 0 °C
6: 36 percent / conc. HCl / CHCl3; methanol / 25 h / Ambient temperature
7: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
8: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
Benzoic acid (3S,8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
96073-67-5

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 81 percent / pyridine / 48 h / Ambient temperature
2: 68 percent / CrO3, 3,5-dimethylpyrazole / CH2Cl2 / 3 h / -20 °C
3: 83 percent / CeCl3*5H2O, NaBH4 / tetrahydrofuran; methanol / 0.08 h
4: 90 percent / pyridine / 1 h / 0 °C
5: 36 percent / conc. HCl / CHCl3; methanol / 25 h / Ambient temperature
6: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
7: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
Benzoic acid (3S,8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
188175-90-8

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 68 percent / CrO3, 3,5-dimethylpyrazole / CH2Cl2 / 3 h / -20 °C
2: 83 percent / CeCl3*5H2O, NaBH4 / tetrahydrofuran; methanol / 0.08 h
3: 90 percent / pyridine / 1 h / 0 °C
4: 36 percent / conc. HCl / CHCl3; methanol / 25 h / Ambient temperature
5: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
6: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
Benzoic acid (3S,7R,8R,9S,10R,13S,14S,17S)-17-acetoxy-7-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
188176-01-4

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 90 percent / pyridine / 1 h / 0 °C
2: 36 percent / conc. HCl / CHCl3; methanol / 25 h / Ambient temperature
3: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
4: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
Benzoic acid (3S,7R,8R,9S,10R,13S,14S,17S)-17-hydroxy-7-isobutyryloxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
188176-03-6

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
2: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
17β-acetoxy-3β-benzoyloxy-5-androsten-7-one
188176-00-3

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 83 percent / CeCl3*5H2O, NaBH4 / tetrahydrofuran; methanol / 0.08 h
2: 90 percent / pyridine / 1 h / 0 °C
3: 36 percent / conc. HCl / CHCl3; methanol / 25 h / Ambient temperature
4: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
5: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
Benzoic acid (3S,7R,8R,9S,10R,13S,14S,17S)-17-acetoxy-7-isobutyryloxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
188176-02-5

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

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

5-androsten-3β,7β-diol-17-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 36 percent / conc. HCl / CHCl3; methanol / 25 h / Ambient temperature
2: 93 percent / Jones reagent / acetone / 0.08 h / Ambient temperature
3: 26 percent / aq. NaOH / tetrahydrofuran; methanol / 29 h / 60 °C
View Scheme
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

A

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

B

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

5-androsten-3β,7β-diol-17-one

A

testosterone
58-22-0

testosterone

B

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

5-androsten-3β,7β-diol-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

D

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

5-androstene-3β,7β,17β-triol

Conditions
ConditionsYield
With water In ethanol for 120h; Microbiological reaction;
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

3β,7β-bis-(trimethylsiloxy)-5-androsten-17-one
56210-85-6

3β,7β-bis-(trimethylsiloxy)-5-androsten-17-one

Conditions
ConditionsYield
saccharin In acetonitrile for 8h; Reflux; Inert atmosphere; Industry scale;81%
saccharin In acetonitrile for 8h; Reflux; Inert atmosphere;81%
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

3β,7β-diacetoxyandrost-5-en-17-one
67576-47-0

3β,7β-diacetoxyandrost-5-en-17-one

C24H32O3

C24H32O3

Conditions
ConditionsYield
With scandium tris(trifluoromethanesulfonate) In acetonitrile78%
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

3β,7β,11α-trihydroxy-5-androsten-17-one
537718-07-3

3β,7β,11α-trihydroxy-5-androsten-17-one

Conditions
ConditionsYield
With Apergillus ochraceus75%
With Aspergillus ochraceus ATCC 18500 (NRRL 405) Microbiological reaction;
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

dimethylisopropylsilylimidazole
81452-04-2

dimethylisopropylsilylimidazole

(3S,7R,8R,9S,10R,13S,14S)-7-Hydroxy-3-(isopropyl-dimethyl-silanyloxy)-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one O-methyl-oxime

(3S,7R,8R,9S,10R,13S,14S)-7-Hydroxy-3-(isopropyl-dimethyl-silanyloxy)-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one O-methyl-oxime

Conditions
ConditionsYield
Stage #1: 5-androsten-3β,7β-diol-17-one; N-methoxylamine hydrochloride In pyridine at 60℃; for 1h;
Stage #2: dimethylisopropylsilylimidazole In pyridine at 60℃; for 0.5h;
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

N-dimethylethylsilyl-imidazole
62365-34-8

N-dimethylethylsilyl-imidazole

(3S,7R,8R,9S,10R,13S,14S)-3-(Ethyl-dimethyl-silanyloxy)-7-hydroxy-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one O-methyl-oxime

(3S,7R,8R,9S,10R,13S,14S)-3-(Ethyl-dimethyl-silanyloxy)-7-hydroxy-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one O-methyl-oxime

Conditions
ConditionsYield
Stage #1: 5-androsten-3β,7β-diol-17-one; N-methoxylamine hydrochloride In pyridine at 60℃; for 1h;
Stage #2: N-dimethylethylsilyl-imidazole In pyridine at 60℃; for 0.5h;
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

1-(Trimethylsilyl)imidazole
18156-74-6

1-(Trimethylsilyl)imidazole

(3S,7R,8R,9S,10R,13S,14S)-7-Hydroxy-10,13-dimethyl-3-trimethylsilanyloxy-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one O-methyl-oxime

(3S,7R,8R,9S,10R,13S,14S)-7-Hydroxy-10,13-dimethyl-3-trimethylsilanyloxy-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one O-methyl-oxime

Conditions
ConditionsYield
Stage #1: 5-androsten-3β,7β-diol-17-one; N-methoxylamine hydrochloride In pyridine at 60℃; for 1h;
Stage #2: 1-(Trimethylsilyl)imidazole In pyridine at 60℃; for 0.5h;
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

(1S,2S,4aS,4bR,7S,10R,10aR)-1-Carboxymethyl-7,10-dihydroxy-2,4b-dimethyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthrene-2-carboxylic acid

(1S,2S,4aS,4bR,7S,10R,10aR)-1-Carboxymethyl-7,10-dihydroxy-2,4b-dimethyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthrene-2-carboxylic acid

Conditions
ConditionsYield
With potassium hydroxide; iodine In methanol; water at 20℃; for 16h;
5-androsten-3β,7β-diol-17-one
2487-48-1

5-androsten-3β,7β-diol-17-one

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

C31H56O3Si2
1016226-91-7

C31H56O3Si2

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃;

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