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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Androsta-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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 Deltaandrost-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:1

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

High quality and best price of Androsta-4,9(11)-diene-3,17-dione from HENAN TIANFU CHEMICAL: Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as a famous fine chemicals supplier in chin

Androsta-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

NSC44826

Cas:1035-69-4

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Pharmaceutical Grade CAS 1035-69-4 with competitive price

Cas:1035-69-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Wuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides

9-Dehydroandrostenedione CAS 1035-69-4

Cas:1035-69-4

Min.Order:100 Kilogram

FOB Price: $1.0 / 5.0

Type:Trading Company

inquiry

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

Androsta-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:1 Gram

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

Androsta-4,9(11)-diene-3,17-dione-

Cas:1035-69-4

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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

Androsta-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

NSC44826

Cas:1035-69-4

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Xi`an Eastling Biotech Co., Ltd.

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

NSC44826

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

factory?direct?sale Application:healing drugs

Androsta-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

NSC44826 CAS No.1035-69-4

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

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

9(11)-Dehydroandrostenedione

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Androsta-4,9(11)-diene-3,17-dione cas 1035-69-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Androsta-4,9(11)-diene-3,17-dione cas 1035-69-4

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port

9-Dehydroandrostenedione

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents

Androsta-4,9(11)-diene-3,17-dione

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Other

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

NSC44826

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

(8S,10S,13S,14S)-10,13-dimethyl-2,6,7,8,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthrene-3,17-dione

Cas:1035-69-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zhengzhou Kingorgchem Chemical Technology Co., Ltd.

Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i

National Research Platform ISO 9001 1035-69-4

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Topbatt Chemical Co., Ltd.

Topbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ

Testosterone Impurity 6

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shenzhen Sumshine Biotech Co., Ltd.

1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and

Testosterone Impurity 6

Cas:1035-69-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

9-alpha-hydroxyandrost-4-ene-3,17-dione
560-62-3, 23015-99-8

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

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
In water; benzene97.5%
In water; benzene97.5%
With sulfuric acid; acetic acid In dichloromethane; water Reflux;95%
Anecortave
10184-70-0

Anecortave

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With sodium bismuthate87%
With manganese(IV) oxide In chloroform for 4h; Heating;72.6%
benzenesulphinyl chloride
4972-29-6

benzenesulphinyl chloride

9α-hydroxyandrostenedione

9α-hydroxyandrostenedione

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With concentrated aqueous hydrochloric acid; p-TSA; sodium hydrogencarbonate In pyridine; water; benzene83.7%
androst-5,9(11)-dien-3,17-dione-3,17-di-ethylene ketal
149884-29-7

androst-5,9(11)-dien-3,17-dione-3,17-di-ethylene ketal

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With acetic acid In water at 110℃; for 0.333333h;71%
With acetic acid Heating;70%
(8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione
382-44-5

(8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid; orthoformic acid triethyl ester In benzene Heating;50%
With N,N'-Thionyldiimidazole In tetrahydrofuran for 0.5h; Ambient temperature;45%
With hydrogenchloride; diethyl ether; benzene
(8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione
382-44-5

(8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione

A

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

B

6β-hydroxy-4,9(11)-androstadiene-3,17-dione
96436-74-7

6β-hydroxy-4,9(11)-androstadiene-3,17-dione

Conditions
ConditionsYield
With ethanol; oxygen; toluene-4-sulfonic acid; orthoformic acid triethyl ester Product distribution; Irradiation;A 35%
B 12%
With ethanol; oxygen; toluene-4-sulfonic acid; orthoformic acid triethyl ester 1.) 1 h, reflux; 2.) irradiation, ethanol, 3 h; Yield given. Multistep reaction. Yields of byproduct given;
With ethanol; oxygen; toluene-4-sulfonic acid; orthoformic acid triethyl ester 1.) 1 h, reflux, benzene; 2.) irradiation in ethanol, 3 h.; Yield given. Multistep reaction. Yields of byproduct given;
HYDROCORTISONE
50-23-7

HYDROCORTISONE

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With bithmuth(III) triflate hydrate In nitromethane at 100℃;34%
Multi-step reaction with 3 steps
1: 52 percent / MnO2
2: 48 percent / p-TsOH, triethyl orthoformate / benzene / 8 h / Heating
3: 70 percent / aq. AcOH / Heating
View Scheme
hydroxy-17β androstadiene-4,9(11) one-3,7
2398-99-4

hydroxy-17β androstadiene-4,9(11) one-3,7

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid Oxidation;
9-alpha-hydroxyandrost-4-ene-3,17-dione
560-62-3, 23015-99-8

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

A

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

B

4,8(9)-androstadiene-3,17-dione

4,8(9)-androstadiene-3,17-dione

Conditions
ConditionsYield
With N,N'-Thionyldiimidazole In tetrahydrofuran for 1.5h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
(5R,8S,10R,13S,14S)-5-Hydroxy-10,13-dimethyl-1,4,5,6,7,8,10,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione
28838-93-9

(5R,8S,10R,13S,14S)-5-Hydroxy-10,13-dimethyl-1,4,5,6,7,8,10,12,13,14,15,16-dodecahydro-2H-cyclopenta[a]phenanthrene-3,17-dione

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With hydrogenchloride In methanol Heating;
(8S,9S,10R,11S,13S,14S,17R)-17-((R)-1,2-dihydroxyethyl)-11,17-dihydroxy-10,13-dimethyl-6,7,8, 9,10,11,12,13,14,15,16, 17-dodecahydro-1H-cyclopenta[a] phenanthrene-3 (2H)-one
2899-95-8

(8S,9S,10R,11S,13S,14S,17R)-17-((R)-1,2-dihydroxyethyl)-11,17-dihydroxy-10,13-dimethyl-6,7,8, 9,10,11,12,13,14,15,16, 17-dodecahydro-1H-cyclopenta[a] phenanthrene-3 (2H)-one

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaIO4 / 24 h / Ambient temperature
2: p-TsOH / benzene / 24 h / Heating
View Scheme
anecortave
7753-60-8

anecortave

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 5.33 g / potassium carbonate / methanol; H2O / 1 h, room t., 50 min, 40 deg C
2: 87 percent / sodium bismutate
View Scheme
11β-hydroxytestosterone
1816-85-9

11β-hydroxytestosterone

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous HCl
2: CrO3; acetic acid / Oxidation
View Scheme
(3R,5R,8S,10R,13S,14S,17S)-10,13-Dimethyl-1,2,3,4,6,7,8,10,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthrene-3,5,17-triol
28838-95-1

(3R,5R,8S,10R,13S,14S,17S)-10,13-Dimethyl-1,2,3,4,6,7,8,10,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthrene-3,5,17-triol

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CrO3, aq. H2SO4 / acetone
2: aq. HCl / methanol / Heating
View Scheme
(3S,5R,8S,10R,13S,14S,17S)-10,13-Dimethyl-1,2,3,4,6,7,8,10,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthrene-3,5,17-triol
28838-90-6

(3S,5R,8S,10R,13S,14S,17S)-10,13-Dimethyl-1,2,3,4,6,7,8,10,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthrene-3,5,17-triol

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CrO3, aq. H2SO4 / acetone
2: aq. HCl / methanol / Heating
View Scheme
(5R,8S,10R,13S,14S,17S)-5,17-Dihydroxy-10,13-dimethyl-1,2,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
28838-80-4

(5R,8S,10R,13S,14S,17S)-5,17-Dihydroxy-10,13-dimethyl-1,2,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CrO3, aq. H2SO4 / acetone
2: aq. HCl / methanol / Heating
View Scheme
C21H32O4

C21H32O4

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: aq. AcOH / Ambient temperature
2: CrO3, aq. H2SO4 / acetone
3: aq. HCl / methanol / Heating
View Scheme
C25H30O4

C25H30O4

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) THF, (ii) aq. NH4Cl
2: CrO3, aq. H2SO4 / acetone
3: aq. HCl / methanol / Heating
View Scheme
C25H30O4

C25H30O4

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: (i) THF, (ii) aq. NH4Cl
2: CrO3, aq. H2SO4 / acetone
3: aq. HCl / methanol / Heating
View Scheme
9-alpha-hydroxyandrost-4-ene-3,17-dione
560-62-3, 23015-99-8

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

pyrographite
7440-44-0

pyrographite

sodium sulfate
7757-82-6

sodium sulfate

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With antimonypentachloride In dichloromethane; water
With antimonypentachloride In dichloromethane; water
9α-hydroxy-3-methoxy-3,5-androstenedione-17-one
116256-30-5

9α-hydroxy-3-methoxy-3,5-androstenedione-17-one

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
In water; ethyl acetate; benzene
In water; ethyl acetate; benzene
benzenesulphinyl chloride
4972-29-6

benzenesulphinyl chloride

9α-hydroxyandrostenedione

9α-hydroxyandrostenedione

Concentrated aqueous hydrochloride acid

Concentrated aqueous hydrochloride acid

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With pyridine; p-TSA In chloroform; water; ethyl acetate
9α-hydroxyandrostenedione

9α-hydroxyandrostenedione

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

Conditions
ConditionsYield
With hydrogenchloride; sodium hydrogencarbonate In pyridine; water; benzene
In ethyl acetate
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

3-ethoxyandrosta-3,5,9(11)-diene-17-one

3-ethoxyandrosta-3,5,9(11)-diene-17-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol at 40℃; for 4h; Inert atmosphere;96%
With toluene-4-sulfonic acid In tetrahydrofuran at 40℃;9 g
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

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

2-hydroxy-2-methylpropanenitrile

17β-Cyano-17α-hydroxyandrosta-4,9(11)-dien-3-one
83196-56-9

17β-Cyano-17α-hydroxyandrosta-4,9(11)-dien-3-one

Conditions
ConditionsYield
In methanol at 40℃; for 2h; Solvent; Temperature; Time;92%
In methanol; water
With potassium hydroxide In methanol; water Reagent/catalyst; Solvent;10.3 g
Stage #1: androst-4,9(11)-dien-3,17-dione; 2-hydroxy-2-methylpropanenitrile With sodium hydroxide In methanol; water at 36 - 40℃; for 3h;
Stage #2: In methanol; water at 20℃; for 2h;
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

methyllithium
917-54-4

methyllithium

pregna-4,9(11)-diene-3,20-dione-17-hydroxy-21-methyl
34184-82-2

pregna-4,9(11)-diene-3,20-dione-17-hydroxy-21-methyl

Conditions
ConditionsYield
In acetone at 20℃; for 0.5h;90.6%
isoniazid
54-85-3

isoniazid

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

C31H34N6O2

C31H34N6O2

Conditions
ConditionsYield
With acetic acid In ethanol for 4h; Heating;90%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

thiosemicarbazide
79-19-6

thiosemicarbazide

androsta-1,4-diene-3,17-dione bis(thiosemicarbazone)

androsta-1,4-diene-3,17-dione bis(thiosemicarbazone)

Conditions
ConditionsYield
With acetic acid In ethanol for 2.5h; Heating;90%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

ethylene glycol
107-21-1

ethylene glycol

C21H28O3

C21H28O3

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 2h; Reflux;85%
With toluene-4-sulfonic acid In toluene for 2h; Reflux;85%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

trimethyl orthoformate
149-73-5

trimethyl orthoformate

3-methoxy-3,5,9(11)-androstatriene-17-dione
28319-72-4

3-methoxy-3,5,9(11)-androstatriene-17-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid In tetrahydrofuran at 20℃; for 2.5h;83%
With pyridine; toluene-4-sulfonic acid; triethylamine In 1,4-dioxane; ethyl acetate
With toluene-4-sulfonic acid In 1,4-dioxane at 0 - 15℃; for 4.25h; Inert atmosphere;101 g
With pyridine hydrochloride In methanol at 20℃;9.2 g
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

9α,11α-epoxy-4-androstene-3,17-dione
22614-34-2

9α,11α-epoxy-4-androstene-3,17-dione

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at -20 - 0℃; for 24h;80%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

hydrazine carboxamide
4426-72-6, 51433-48-8

hydrazine carboxamide

A

(E)-androsta-4,9(11)-diene-3,17-dione 3-semicarbazone

(E)-androsta-4,9(11)-diene-3,17-dione 3-semicarbazone

B

androsta-4,9(11)-diene-3,17-dione bis(semicarbazone)

androsta-4,9(11)-diene-3,17-dione bis(semicarbazone)

C

androsta-4,9(11)-diene-3,17-dione bis(semicarbazone)

androsta-4,9(11)-diene-3,17-dione bis(semicarbazone)

Conditions
ConditionsYield
In ethanol Reflux;A 76%
B n/a
C n/a
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

hydroxy-17β androstadiene-4,9(11) one-3,7
2398-99-4

hydroxy-17β androstadiene-4,9(11) one-3,7

Conditions
ConditionsYield
With sodium tetrahydroborate In pyridine; methanol71%
With zygowilliopsis sp. WY7905 In aq. phosphate buffer at 30℃; for 24h; pH=8; Enzymatic reaction; stereoselective reaction;52%
With lithium tri-t-butoxyaluminum hydride In tetrahydrofuran at 0℃; for 0.5h;0.695 g
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

ethane-1,2-dithiol
540-63-6

ethane-1,2-dithiol

4,9(11)-Androstadien-3,17-dion-3-ethylendithioacetal
104203-22-7

4,9(11)-Androstadien-3,17-dion-3-ethylendithioacetal

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In methanol for 0.25h; Ambient temperature;66%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

A

4,5α-9α,11-diepoxy-androstan-3,17-dione
1403968-21-7

4,5α-9α,11-diepoxy-androstan-3,17-dione

B

9a,11-Epoxy-androst-4-ene-3,12,17-trione
1403968-22-8

9a,11-Epoxy-androst-4-ene-3,12,17-trione

Conditions
ConditionsYield
With C16H16F6FeN4O6S2; dihydrogen peroxide; acetic acid In acetonitrile at 20℃; for 0.5h; stereoselective reaction;A 50%
B 25%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

A

9α,11α-epoxy-4-androstene-3,17-dione
22614-34-2

9α,11α-epoxy-4-androstene-3,17-dione

B

12α-hydroxy-androst-4,9(11)-diene-3,17-dione

12α-hydroxy-androst-4,9(11)-diene-3,17-dione

Conditions
ConditionsYield
With [Fe(tris(2-pyridyl)amine)(triflate)2]; dihydrogen peroxide In acetonitrile at 20℃; for 0.166667h; Catalytic behavior; stereoselective reaction;A 28%
B 20%
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

A

9α,11α-epoxy-4-androstene-3,17-dione
22614-34-2

9α,11α-epoxy-4-androstene-3,17-dione

B

4,5-epoxyandrost-9(11)-ene-3,17-dione
88509-24-4

4,5-epoxyandrost-9(11)-ene-3,17-dione

C

12α-hydroxy-androst-4,9(11)-diene-3,17-dione

12α-hydroxy-androst-4,9(11)-diene-3,17-dione

Conditions
ConditionsYield
With C16H16F6FeN4O6S2; dihydrogen peroxide; acetic acid In acetonitrile at 20℃; for 0.166667h; stereoselective reaction;A 25%
B 25%
C 25%
pyrrolidine
123-75-1

pyrrolidine

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

3-pyrrolidino-androsta-3,5,9(11)-trien-17-one
16321-34-9

3-pyrrolidino-androsta-3,5,9(11)-trien-17-one

Conditions
ConditionsYield
With methanol
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

N-bromoacetamide
79-15-2

N-bromoacetamide

9-bromo-11β-hydroxy-androst-4-ene-3,17-dione
79884-52-9

9-bromo-11β-hydroxy-androst-4-ene-3,17-dione

androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

potassium cyanide
151-50-8

potassium cyanide

17β-Cyano-17α-hydroxyandrosta-4,9(11)-dien-3-one
83196-56-9

17β-Cyano-17α-hydroxyandrosta-4,9(11)-dien-3-one

Conditions
ConditionsYield
With acetic acid In methanol at 25℃;
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

potassium acetylide
1111-63-3, 115570-71-3

potassium acetylide

A

17α-ethynyl-17β-hydroxy-4,9(11)-trieneandrostan-3-one
63973-95-5

17α-ethynyl-17β-hydroxy-4,9(11)-trieneandrostan-3-one

B

Pregna-4,9-dien-17α-ol-3-on-20-yne
90081-44-0

Pregna-4,9-dien-17α-ol-3-on-20-yne

Conditions
ConditionsYield
With acetylene In ethylenediamine at 20℃; for 2h;A 0.03 g
B 0.06 g
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

(5α)-androst-9(11)-ene-3,17-dione
15375-19-6

(5α)-androst-9(11)-ene-3,17-dione

Conditions
ConditionsYield
With chromium(VI) oxide; lithium; ethylamine; tert-butyl alcohol 1.) THF, -70 deg C, 30 min, 2.) acetone; Multistep reaction;
androst-4,9(11)-dien-3,17-dione
1035-69-4

androst-4,9(11)-dien-3,17-dione

9-bromo-11β-hydroxy-androst-4-ene-3,17-dione
79884-52-9

9-bromo-11β-hydroxy-androst-4-ene-3,17-dione

Conditions
ConditionsYield
With N-bromoacetamide

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