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taicang liyuan chemical co,.ltd

Established in 2007,Taicang Liyuan Chemical Co.,ltd. is located in Taicang city with a rich cultural heritage in most developed economy area of China's Yangtze River Delta.The location of our company is superior with convenient transportation a

Androst-4-ene-3,17-dione

Cas:63-05-8

Min.Order:25 Kilogram

Negotiable

Type:Other

inquiry

Kono Chem Co.,Ltd

Details Details 4-Androstenedione Formula: C19H26O2 CAS 63-05-8 Molecular Weight: 286.45 EINECS: 200-554-5 Assay: 99% Appearance: white crystalline odourless solid Package: 1kg/foil bag o

CAS:63-05-8 Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Androstenedione Cas 63-05-8 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Controlled Substance, -20°C Freezer Package:1kg/foil

Manufacture low price high quality Androstenedione Cas 63-05-8 with fast delivery

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Trading Company

inquiry

Hangzhou Think Chemical Co. Ltd

Androstenedione CAS No.:63-05-8 Name: Androstenedione Synonyms: Androst-4-ene-3,17-dione; 4-Androstenedione; 4-Androstene-3,17-dione Molecular Structure: Molecular Formula: C19H26O2 Molecular

High purity Androstenedione CAS No.:63-05-8

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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 Androst-4-ene-3,17-dione

Cas:63-05-8

Min.Order:1

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 Content Natural Extract 4-Androstene-3,17-dione HACCP manufacturer

Cas:63-05-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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 Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

High purity 99% 4-Androstenedione , 4AD; 4-AD in stock manufacturer CAS NO.63-05-8

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

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

4-Androstene-3,17-dione

Cas:63-05-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:4-Androstenedione CAS NO: 63-05-8 Grade:Medical scientific research and export Molecular formula:C19H26O2 Molecular weight:286.4085 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability

4-Androstenedione/ CAS:63-05-8/4-Androstenedione raw material/ high-quality

Cas:63-05-8

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

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_Androstenedione 63-05-8

Cas:63-05-8

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

Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

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 email in time prod

Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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-4-ene-3,17-dione/ LIDE PHARMA- Factory supply / Best price

Cas:63-05-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product name: Androstenedione Molecular formula:C19H26O2 CAS NO. 63-05-8 Application: pharmaceutical intermediates Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:drum Application:pharmaceutical inter

4-Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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

Muscle Enhancement Steroids 4-Androstenedione Anabolic Steroids Pharmacy

Cas:63-05-8

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

Androst-4-ene-3,17-dione 63-05-8

Cas:63-05-8

Min.Order:1 Kilogram

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

Androstenedione CAS NO.63-05-8

Cas:63-05-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Androstenedione Basic information Biological Metabolism Product Name: Androstenedione Synonyms: 3,17-Dioxoandrost-4-Ene;Androstenedione (CRM);Testosterone EP Impurity A;4-Androstene-3;4-androsten-3,17-dione (4-AD);4-Androstene-3,17-dione Soluti

4-Androstenedione(4AD)

Cas:63-05-8

Min.Order:100 Gram

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 / high quality inventory/Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

Negotiable

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

free sample Androstenedione CAS NO.63-05-8

Cas:63-05-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

Androstenedione CAS: 63-05-8 Specification Item Standard Source Pure natural plant extract Sterilization method No irradiation Production Environ

Factory supply Androstenedione

Cas:63-05-8

Min.Order:1 Kilogram

Negotiable

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-4-ene-3,17-dione

Cas:63-05-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Se

4-Androstenedione

Cas:63-05-8

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Androstenedione CAS 63-05-8 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control sys

Androstenedione CAS 63-05-8

Cas:63-05-8

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

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

Androstenedione

Cas:63-05-8

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

4-Androstene-3,17-dione

Cas:63-05-8

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

Androstenedione

Cas:63-05-8

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

Methyl 1H-pyrazolo[3,4-c]pyridine-7-carboxylate

Cas:63-05-8

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and als

Androstenedione

Cas:63-05-8

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Synthetic route

testosterone
58-22-0

testosterone

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With Jones reagent In acetone at 0℃; Jones Oxidation;100%
With oxygen; nitrosonium tetrafluoroborate In dichloromethane at 20℃; for 4h;99%
With N-chloro-succinimide; dodecyl methyl sulfide; triethylamine In toluene at -40℃; for 16h; Corey-Kim oxidation;97%
3-hydroxy-5-androsten-17-one
25375-38-6

3-hydroxy-5-androsten-17-one

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; ferric nitrate In ethyl acetate at 0℃; for 65h; Reagent/catalyst;100%
17-hydroxyprogesterone
68-96-2

17-hydroxyprogesterone

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
In water; acetonitrile at 20℃; Electrochemical reaction;99%
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane; acetonitrile for 0.75h;95%
With chromium(VI) oxide; acetic acid
3,3,17,17-diethylenedioxyandrost-5-ene
4966-70-5

3,3,17,17-diethylenedioxyandrost-5-ene

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 40℃; for 2h; pH=3; Temperature; Green chemistry;98.6%
With sulfuric acid; water; silica gel In toluene for 2h;92%
Multi-step reaction with 4 steps
1: hydrogenchloride / water; acetone / pH 1-6
2: potassium tert-butylate / tetrahydrofuran / Inert atmosphere; Reflux
3: tetrahydrofuran / Acidic conditions
4: sodium hydrogencarbonate; ruthenium trichloride; Oxone / ethyl acetate; acetonitrile; water / -20 - 30 °C
View Scheme
3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With calcium hypochlorite; acetic acid In ethyl acetate at 30℃; for 1h; Temperature; Green chemistry;98.5%
(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[α]phenanthrene-3,17-diol
81176-75-2

(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[α]phenanthrene-3,17-diol

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane for 0.5h;98%
With 9-fluorenone; oxygen In dimethyl sulfoxide at 20℃; Irradiation;72%
5-androstenedione
571-36-8

5-androstenedione

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With potassium hydroxide In methanol; water Ambient temperature;97%
With sodium hydroxide In methanol; water at 25℃;
With sodium hydroxide; 3-oxo-Δ5-steroid isomerase In methanol; water Rate constant; pH 5.0 to 5.1;
3-cycloethylenedithio-17-cycloethylenedioxy-androst-4-ene
162657-73-0

3-cycloethylenedithio-17-cycloethylenedioxy-androst-4-ene

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With silica gel; copper(II) sulfate In benzene at 80℃; for 5h;90%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

A

Androstenedione
63-05-8

Androstenedione

B

androstane-3,17-dione
5982-99-0

androstane-3,17-dione

Conditions
ConditionsYield
aluminum oxide; copper In toluene at 60℃;A 12%
B 88%
Cortexolone
152-58-9

Cortexolone

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
In water; acetonitrile at 20℃; Electrochemical reaction;86%
With ammonium hydroxide; iodine In water; acetonitrile at 50℃; for 24h;78%
With manganese(IV) oxide In chloroform for 4h; Heating;67.6%
17,21-dihydroxy-pregn-3,20-dione
152-58-9, 601-05-8, 3614-16-2, 122405-55-4

17,21-dihydroxy-pregn-3,20-dione

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With sodium methylate In 1,4-dioxane for 3h; Heating;86%
Androsta-1,4-diene-3,17-dione
897-06-3

Androsta-1,4-diene-3,17-dione

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With sodium hydroxide; iron pentacarbonyl In methanol; water at 50 - 60℃; for 16h;85%
With thallium(III) nitrate trihydrate In diethylene glycol dimethyl ether for 24h; Ambient temperature;29%
With hydrogen; silica gel; copper In toluene at 60℃; under 760 Torr; for 5h;
/PBKTC004-1620/

/PBKTC004-1620/

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
IrH5(P-(i-Pr)3)2 In various solvent(s) at 100℃; for 28h;83%
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With <(C4Ph4COHOCC4Ph4)(μ-H)><(CO)4Ru2>; acetone at 56℃; for 24h;81%
Behandeln mit verschiedenen Dehydrierungsmitteln;
Einwirkung von Flavobacterium-Arten;
4-androstenediol
1156-92-9

4-androstenediol

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
at 25℃; for 25h; electrolysis: nickel net anode, cylindrical stainless steel cathode; electrolyte: 0.01M KOH/t-butanol - water (1:1);80%
3-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>androsta-3,4-diene-17-one
103708-01-6

3-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>androsta-3,4-diene-17-one

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With sulfuric acid In tetrahydrofuran at 60℃; for 12h;80%
With sulfuric acid In tetrahydrofuran at 60℃; for 12h;80%
3-(m-chlorobenzoyloxy)androsta-3,5-dien-17-one
76183-49-8

3-(m-chlorobenzoyloxy)androsta-3,5-dien-17-one

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With potassium hydroxide In methanol for 1h; Heating;74%
cholesterol
57-88-5

cholesterol

A

Androstenedione
63-05-8

Androstenedione

B

Androsta-1,4-diene-3,17-dione
897-06-3

Androsta-1,4-diene-3,17-dione

C

(20S)-20-hydroxymethylpregn-4-en-3-one
40736-33-2

(20S)-20-hydroxymethylpregn-4-en-3-one

D

24-norchol-4-ene-3,22-dione
80981-37-9

24-norchol-4-ene-3,22-dione

E

24-norchola-1,4-diene-3,22-dione
80981-38-0

24-norchola-1,4-diene-3,22-dione

F

(20S)-20-(hydroxymethyl)pregna-1,4-dien-3-one
35525-27-0

(20S)-20-(hydroxymethyl)pregna-1,4-dien-3-one

Conditions
ConditionsYield
Product distribution; degradation by the Mycobacterium mutant CCM 3528;A n/a
B 0.20 g
C n/a
D 0.36 g
E 1.21 g
F 71%
(8S,9S,10R,13S,14S,Z)-17-ethylidene-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
51154-62-2

(8S,9S,10R,13S,14S,Z)-17-ethylidene-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

A

Androstenedione
63-05-8

Androstenedione

B

17-hydroxyprogesterone
68-96-2

17-hydroxyprogesterone

C

17alpha,20beta-Dihydroxypregn-4-en-3-one
1662-06-2

17alpha,20beta-Dihydroxypregn-4-en-3-one

Conditions
ConditionsYield
With ruthenium trichloride; Oxone; sodium hydrogencarbonate In water; ethyl acetate; acetonitrile at -20 - 30℃;A 10%
B 70%
C 20%
C23H34O
1356399-45-5

C23H34O

A

Androstenedione
63-05-8

Androstenedione

B

17-hydroxyprogesterone
68-96-2

17-hydroxyprogesterone

C

17ξ,20ξ-epoxy-pregna-Δ4-dien-3-one

17ξ,20ξ-epoxy-pregna-Δ4-dien-3-one

Conditions
ConditionsYield
With ruthenium trichloride; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 20℃;A 10%
B 70%
C 20%
(8R,9S,10R,13S,14S)-10,13-Dimethyl-17-[1-tripropylsilanyloxy-eth-(Z)-ylidene]-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
110801-53-1

(8R,9S,10R,13S,14S)-10,13-Dimethyl-17-[1-tripropylsilanyloxy-eth-(Z)-ylidene]-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With potassium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid68%
C22H31NOS2

C22H31NOS2

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With silica gel; copper(II) sulfate In toluene for 30h; Heating;62%
Progesterone
57-83-0

Progesterone

A

Androstenedione
63-05-8

Androstenedione

B

testololactone
4416-57-3

testololactone

Conditions
ConditionsYield
With penicillium citreo-viride A.C.C.C. 0402 In acetone at 27.5℃; for 120h; Microbiological reaction;A 8.4%
B 60.9%
pregn-4-ene-3ξ,17α,20ξ-triol

pregn-4-ene-3ξ,17α,20ξ-triol

A

Androstenedione
63-05-8

Androstenedione

B

17-hydroxyprogesterone
68-96-2

17-hydroxyprogesterone

Conditions
ConditionsYield
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane; acetonitrile for 0.75h;A 60%
B 20%
testosterone heptanoate
315-37-7

testosterone heptanoate

A

testosterone
58-22-0

testosterone

B

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With Fusarium fujikuroi PTCC 5144 In ethanol; water at 26℃; for 312h; Reagent/catalyst; Microbiological reaction;A 20%
B 17%
C 59%
androstane-3,17-dione
1229-12-5

androstane-3,17-dione

Androstenedione
63-05-8

Androstenedione

Conditions
ConditionsYield
With trifluoroacetic acid; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In fluorobenzene; dimethyl sulfoxide at 60℃; for 40h; Temperature; regioselective reaction;54%
With sodium In methanol at 20℃; for 1h;
Multi-step reaction with 2 steps
1: 72percent HClO4 / ethyl acetate / 0.5 h / Ambient temperature
2: CrO3*2Py (Collins oxidant) / CH2Cl2 / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: HBr; acetic acid; bromine
2: pyridine
View Scheme
5α/β-androst-3-en-17-one
501433-34-7

5α/β-androst-3-en-17-one

A

Androstenedione
63-05-8

Androstenedione

B

androstane-3,17-dione
1229-12-5

androstane-3,17-dione

C

4-hydroxyandrost-4-ene-3,17-dione
566-48-3

4-hydroxyandrost-4-ene-3,17-dione

Conditions
ConditionsYield
Multistep reaction;A n/a
B n/a
C 54%
Androstenedione
63-05-8

Androstenedione

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

3-ethoxyandrosta-3,5-dien-17-one
972-46-3

3-ethoxyandrosta-3,5-dien-17-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In tetrahydrofuran; ethanol at 45℃; for 2h; Inert atmosphere;100%
With toluene-4-sulfonic acid In ethanol at 20 - 25℃;99.2%
Stage #1: Androstenedione; orthoformic acid triethyl ester With toluene-4-sulfonic acid In ethanol at 40℃; for 6.5h;
Stage #2: With triethylamine In ethanol at 5℃; for 0.5h; Temperature;
97%
Androstenedione
63-05-8

Androstenedione

4-Androstene-3alpha,17beta-diol
1852-61-5

4-Androstene-3alpha,17beta-diol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 20℃; Temperature; Solvent; Reagent/catalyst;100%
With potassium borohydride In methanol
Androstenedione
63-05-8

Androstenedione

(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[α]phenanthrene-3,17-diol
81176-75-2

(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[α]phenanthrene-3,17-diol

Conditions
ConditionsYield
With lithium borohydride In diethyl ether for 2h; Product distribution; Heating; other solvents and reducing agents also investigated;100%
With lithium borohydride In diethyl ether for 2h; Heating;100%
Androstenedione
63-05-8

Androstenedione

trimethyl orthoformate
149-73-5

trimethyl orthoformate

3-methoxyandrosta-3,5-dien-17-one
57144-06-6

3-methoxyandrosta-3,5-dien-17-one

Conditions
ConditionsYield
With p-toluenesulfonic acid hydrochloride In methanol at 35 - 45℃; for 5.25h; Inert atmosphere;100%
With toluene-4-sulfonic acid In tetrahydrofuran at 30℃; for 4h; Temperature; Inert atmosphere;100%
With toluene-4-sulfonic acid In tetrahydrofuran at 5℃; for 5h; Reagent/catalyst; Solvent; Inert atmosphere;97.3%
Androstenedione
63-05-8

Androstenedione

2-hydroxy-2-methylpropanenitrile
75-86-5

2-hydroxy-2-methylpropanenitrile

17β-cyano-17α-hydroxy-4-androsten-3-one
77881-13-1

17β-cyano-17α-hydroxy-4-androsten-3-one

Conditions
ConditionsYield
With sodium carbonate In methanol; water at 17 - 40℃; for 29h; pH=8 - 9;100%
With water; sodium carbonate In methanol at 38 - 42℃; for 4h; pH=8 - 9;100%
With methanol; potassium hydroxide at 50℃; for 6h; Autoclave; Large scale;95.9%
potassium cyanide

potassium cyanide

Androstenedione
63-05-8

Androstenedione

17β-cyano-17α-hydroxy-4-androsten-3-one
77881-13-1

17β-cyano-17α-hydroxy-4-androsten-3-one

Conditions
ConditionsYield
With acetic acid In methanol at 20℃; for 2h; Inert atmosphere; regioselective reaction;100%
Androstenedione
63-05-8

Androstenedione

androstane-3,17-dione
1229-12-5

androstane-3,17-dione

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran at 20℃; for 24h;99.26%
With palladium 10% on activated carbon; hydrogen at 20℃; under 760.051 Torr; for 23h;74%
With hydrogen; palladium on activated charcoal In ethyl acetate Ambient temperature;
Multi-step reaction with 2 steps
1: 467 mg / Zn; glacial acetic acid / 0.17 h
View Scheme
Androstenedione
63-05-8

Androstenedione

acetic anhydride
108-24-7

acetic anhydride

androstane-3,5-dien-17-one-3β-ol acetate
4968-05-2

androstane-3,5-dien-17-one-3β-ol acetate

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 35 - 45℃; for 12h;99%
With toluene-4-sulfonic acid for 0.05h; microwave irradiation;97%
With toluene-4-sulfonic acid at 65℃; for 1.5h;76%
Androstenedione
63-05-8

Androstenedione

11α-hydroxyandrost-4-ene-3,17-dione
564-33-0

11α-hydroxyandrost-4-ene-3,17-dione

Conditions
ConditionsYield
With Gelasinospora retispora GRK002 In methanol; water at 34℃; for 144h; pH=5; Microbiological reaction;98%
With Beauveria bassiana CCTCC AF206001 In water for 24h; pH=6.0; Microbiological reaction;90.9%
mit Hilfe von Rhizopus arrhizus;
Androstenedione
63-05-8

Androstenedione

A

Etiocholanolone
53-42-9

Etiocholanolone

B

androstane-3,17-dione
1229-12-5

androstane-3,17-dione

Conditions
ConditionsYield
With foie de boeuf; levure de boulanger; tampon phosphate In water at 37℃; for 144h; Clostridium paraputrificum ATCC No. 25780; Yields of byproduct given;A 98%
B n/a
With foie de boeuf; levure de boulanger; tampon phosphate In water at 37℃; for 144h; Clostridium paraputrificum ATCC No. 25780; Yields of byproduct given;A n/a
B 85%
With foie de boeuf; levure de boulanger; tampon phosphate In water at 37℃; for 144h; Product distribution; Clostridium paraputrificum ATCC No. 25780; composition of the culture medium, different species and influence of the steroid concentration examined;
Androstenedione
63-05-8

Androstenedione

acetylene
74-86-2

acetylene

levonorgestrel
434-03-7

levonorgestrel

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran; ethanol95%
Stage #1: acetylene With potassium hydroxide In tetrahydrofuran; ethanol at 3℃; for 2h; Inert atmosphere;
Stage #2: Androstenedione In tetrahydrofuran; ethanol for 2h; Temperature; Solvent; Reagent/catalyst;
109.3 g
Androstenedione
63-05-8

Androstenedione

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

3-methoxyandrosta-3,5-dien-17-one
57144-06-6

3-methoxyandrosta-3,5-dien-17-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In tetrahydrofuran; chloroform at 38℃; for 2h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere;94.27%
Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

Androstenedione
63-05-8

Androstenedione

3-methoxyandrosta-3,5-dien-17-one
57144-06-6

3-methoxyandrosta-3,5-dien-17-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In tetrahydrofuran; methanol at 30℃; for 4h; Inert atmosphere; Industrial scale;94%
Androstenedione
63-05-8

Androstenedione

testosterone
58-22-0

testosterone

Conditions
ConditionsYield
With zygowilliopsis sp. WY7905 In aq. phosphate buffer at 30℃; for 24h; pH=8; Enzymatic reaction; stereoselective reaction;93%
With potassium borohydride In tetrahydrofuran; dichloromethane; water at -10 - -5℃; Temperature;93%
With Trichoderma virens In ethanol at 24℃; for 96h; Microbiological reaction;60%
Androstenedione
63-05-8

Androstenedione

2-(methylamino)benzenethiol
21749-63-3

2-(methylamino)benzenethiol

C26H33NOS

C26H33NOS

Conditions
ConditionsYield
In dichloromethane for 48h; Heating;93%
Androstenedione
63-05-8

Androstenedione

C19H25IO2
260352-51-0

C19H25IO2

Conditions
ConditionsYield
Stage #1: Androstenedione With trimethylsilylazide In dichloromethane at 0℃; for 2h;
Stage #2: With pyridine; iodine In dichloromethane at 0 - 20℃;
93%
Androstenedione
63-05-8

Androstenedione

11α,17β-dihydroxyandrost-4-ene-3-one
3066-12-4

11α,17β-dihydroxyandrost-4-ene-3-one

Conditions
ConditionsYield
With Beauveria bassiana CCTCC AF206001 In water for 48h; pH=7.0; Microbiological reaction;91.3%
(microbiological transformation);
Androstenedione
63-05-8

Androstenedione

4-androsten-3,17-dione-2,2,4,6,6,16,16-d7

4-androsten-3,17-dione-2,2,4,6,6,16,16-d7

Conditions
ConditionsYield
With hydrogenchloride; deuteromethanol In water at 56℃; Temperature; Inert atmosphere;91%
Androstenedione
63-05-8

Androstenedione

dehydroisoandrosterone
86420-28-2

dehydroisoandrosterone

Conditions
ConditionsYield
With titanium(IV) isopropylate; 2,2'-azobis(isobutyronitrile); diphenylstibane In toluene at 90℃; for 16h;90%
Androstenedione
63-05-8

Androstenedione

androstanedione
846-46-8

androstanedione

Conditions
ConditionsYield
With sodium dithionite; phase transfer catalyst; sodium hydrogencarbonate In toluene for 4h; Heating;88%
With hydrogen; (η4-1,5-cyclooctadiene)(pyridine)(tricyclohexylphosphine)iridium(I) hexafluorophosphate In dichloromethane for 4h;70%
biochem. proc. with 5α-reductase of Penicillin decumbens;70%
Androstenedione
63-05-8

Androstenedione

2,2-dibutyl-1,3,2-dithiastannolane
7191-30-2

2,2-dibutyl-1,3,2-dithiastannolane

A

4-Androstene-3,17-dione 3-ethylene dithioacetal
63910-90-7

4-Androstene-3,17-dione 3-ethylene dithioacetal

B

4-Androstene-3,17-dione 3,17-bis(ethylene dithioacetal)
10455-49-9

4-Androstene-3,17-dione 3,17-bis(ethylene dithioacetal)

Conditions
ConditionsYield
di-n-butylbis(trifluoromethanesulfonyloxy)stannane In 1,2-dichloro-ethane at 20℃; for 4h;A 87%
B 7%
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