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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:1 Kilogram

FOB Price: $3.0

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

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

Cholestan-3-one, (5β)- 601-53-6

Cas:601-53-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

5BETA-CHOLESTAN-3-ONE CAS:601-53-6 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 inter

5BETA-CHOLESTAN-3-ONE CAS:601-53-6

Cas:601-53-6

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

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:1 Kilogram

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

5BETA-CHOLESTAN-3-ONE

Cas:601-53-6

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

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

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

5BETA-CHOLESTAN-3-ONE

Cas:601-53-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Saiwante (shanghai) New Material Technology Co., Ltd.

ProName: (5r,8r,9s,10s,13r,14s,17r)-10,13-dimet... CasNo: 601-53-6 Molecular Formula: C27H46O Appearance: white powder Application: Pharmaceuticals, pesticides, synthetic... DeliveryTime: 3-10 days PackAge: 1kg/Alu bag, 25kgs/Drum Port: Shan

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

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

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

(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopen

Cas:601-53-6

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

GIHI CHEMICALS CO.,LIMITED

Lower price, higher purity,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, s

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.

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopen Application:(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tet

Hunan Longxianng Runhui Trading Co.,Ltd

(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates

Hangzhou Fandachem Co.,Ltd

Cholestan-3-one, (5β)- cas 601-53-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Cholestan-3-one, (5β)- cas 601-53-6

Cas:601-53-6

Min.Order:0

Negotiable

Type:Other

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

5BETA-CHOLESTAN-3-ONE

Cas:601-53-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri

Wuhan Newgreat Chemical Co., Ltd

Wuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process

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

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

5BETA-CHOLESTAN-3-ONE

Cas:601-53-6

Min.Order:0

Negotiable

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

Cholestan-3-one, (5β)-

Cas:601-53-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so

changchun tuocai technology co.,ltld

(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates

Shanghai PengMo Biotechnology Co.,Ltd

(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates

Synthetic route

Conditions
ConditionsYield
With sodium bromate; ruthenium trichloride; tetrabutylammomium bromide In dichloromethane; water at 25℃; for 1.5h;98%
With oxygen; acetaldehyde; ruthenium trichloride; cobalt(II) acetate Ambient temperature; other reagent: peracetic acid, other catalyst: RuCl3*nH2O;98%
With tert.-butylhydroperoxide; pentafluorobenzeneseleninic acid In benzene for 4h; Heating;90%
3,3-ethylenedioxy-5β-cholestane
25328-53-4

3,3-ethylenedioxy-5β-cholestane

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With Montmorillonite K 10; water In acetone for 3h; Heating;97%
1,3-dithiane of cholestanone
39854-45-0

1,3-dithiane of cholestanone

A

1,2-dithiolane
557-22-2

1,2-dithiolane

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With tetrafluoroboric acid; tris(2,2'-bipyridine)iron(III) perchlorate In tetrahydrofuran; water; acetonitrile for 0.0833333h; Ambient temperature;A n/a
B 96%
Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With ammonium formate; palladium on activated charcoal In methanol for 1h; Heating;95%
With sodium dithionite; 2-methyl-5-(prop-1-en-2-yl)cyclohexanone; sodium hydrogencarbonate In 1,4-dioxane at 50℃;89%
With hydrogen; <((t-Bu)2PH)PdP(t-Bu)2>2 saturated with oxygen In tetrahydrofuran under 760 Torr; for 12h; Ambient temperature;86%
3-nitrocholest-2-ene

3-nitrocholest-2-ene

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With water; magnesium; cadmium(II) chloride In tetrahydrofuran for 0.25h; Ambient temperature;95%
5β-cholestan-3-ol
566-84-7

5β-cholestan-3-ol

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With oxone; 2-iodo-3,4,5,6-tetramethylbenzoic acid In nitromethane at 20℃; for 18h;92%
With nitroacetic acid ethyl ester; triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran room temperature for 2 h, refluxed for 2 h;77%
With C55H49N4OP2Ru In toluene under 750.075 Torr; Inert atmosphere; Schlenk technique; Reflux; Green chemistry;76%
With tetrabutylammonium chlorochromate In chloroform for 32h; Heating;75%
With jones reagent In acetone for 0.333333h; Ambient temperature;3.6 mg
epicoprostanol
516-92-7

epicoprostanol

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With osmium(VIII) oxide; acetic acid In diethyl ether for 30h; Ambient temperature;90%
With cyclohexanone; nickel; toluene
N-[(5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-(3E)-ylidene]-N'-phenyl-hydrazine

N-[(5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-(3E)-ylidene]-N'-phenyl-hydrazine

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With BTIB In water; acetonitrile at 0℃; for 0.5h;85%
4β-Phenylsulfonyl-5β-cholestan-3-one
287389-75-7

4β-Phenylsulfonyl-5β-cholestan-3-one

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With methanol; sodium amalgam In tetrahydrofuran Reduction;80%
Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

A

dihydrocholesterone
566-88-1

dihydrocholesterone

B

coprostanone
601-53-6

coprostanone

C

5β-cholestan-3-ol
566-84-7

5β-cholestan-3-ol

Conditions
ConditionsYield
With hydrogen; Cu/Al2O3 In toluene at 60℃; under 760 Torr;A 14%
B 75%
C 5%
3α-Cholestanylnitrit
5493-36-7, 5493-37-8, 55955-17-4

3α-Cholestanylnitrit

A

epicoprostanol
516-92-7

epicoprostanol

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
In solid for 142h; Irradiation;A 8%
B 65%
(3S,5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-nitrosooxy-hexadecahydro-cyclopenta[a]phenanthrene

(3S,5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-nitrosooxy-hexadecahydro-cyclopenta[a]phenanthrene

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
In solid for 76h; Irradiation;A 5%
B 64%
(5β-cholestan-3α-yl)-methyl ether
29365-27-3

(5β-cholestan-3α-yl)-methyl ether

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With 3,3-dimethyldioxirane In acetone for 18h; Ambient temperature;57%
/PBKTC004-1560/

/PBKTC004-1560/

A

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
IrH5(P-(i-Pr)3)2 In various solvent(s) at 100℃; for 30h;A 55%
B 13%
/PBKTC004-1550/

/PBKTC004-1550/

A

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
IrH5(P-(i-Pr)3)2 In various solvent(s) at 100℃; for 20h;A 52%
B 41%
epicholesterol
474-77-1

epicholesterol

A

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

B

dihydrocholesterone
566-88-1

dihydrocholesterone

C

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
nickel In xylene at 135 - 140℃; for 1h; Heating;A 28%
B 4.5%
C 2.5%
cholesterol
57-88-5

cholesterol

A

dihydrocholesterone
566-88-1

dihydrocholesterone

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With nickel at 220℃;
With nickel at 240℃;
epicoprostanol
516-92-7

epicoprostanol

A

coprostanone
601-53-6

coprostanone

B

3.4-seco-5β-cholestanedioic acid-(3.4)
1177-97-5

3.4-seco-5β-cholestanedioic acid-(3.4)

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid at 60℃;
With chromium(VI) oxide; acetic acid
cholesterol
57-88-5

cholesterol

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With hydrogenchloride; jones reagent; hydrogen 1.) acetone, r.t.; 2.) methanol; Multistep reaction;
Cholest-5-en-3-one
601-54-7

Cholest-5-en-3-one

A

dihydrocholesterone
566-88-1

dihydrocholesterone

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With hydrogen; Nic In tetrahydrofuran; ethanol at 25℃; under 760 Torr; for 0.533333h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

A

dihydrocholesterone
566-88-1

dihydrocholesterone

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With hydrogen; palladium In pyridine at 25℃; under 760 Torr; Rate constant; selectivity to 5β compound;
With hydrogen bromide; hydrogen; palladium In tetrahydrofuran at 25℃; under 760 Torr; Rate constant; selectivity to 5β compound;
With hydrogen; Nic In tetrahydrofuran; ethanol at 25℃; under 760 Torr; for 0.6h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
cholesta-4,6-dien-3-one
566-93-8

cholesta-4,6-dien-3-one

A

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

B

dihydrocholesterone
566-88-1

dihydrocholesterone

C

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With diphenylsilane; zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In chloroform for 4h; Ambient temperature; Yield given. Yields of byproduct given;
cholesta-1,4-dien-3-one
566-91-6

cholesta-1,4-dien-3-one

A

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

B

dihydrocholesterone
566-88-1

dihydrocholesterone

C

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With diphenylsilane; zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In chloroform for 1h; Ambient temperature; Yield given. Yields of byproduct given;
1-[(8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-ylidene]-pyrrolidinium; perchlorate

1-[(8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-ylidene]-pyrrolidinium; perchlorate

A

dihydrocholesterone
566-88-1

dihydrocholesterone

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With 1-Benzyl-1,4-dihydronicotinamide; water 1.) acetonitrile, 40 h, reflux 2.) acetonitrile, reflux, 1 h; Multistep reaction. Yields of byproduct given;
Δ4-Cholesten-3-one ethylene dithioacetal
2791-51-7

Δ4-Cholesten-3-one ethylene dithioacetal

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
With dihydrogen peroxide; diborane 1.) THF, 0 deg C, 5 h, 2.) THF, 0 deg C, 5 min; Yield given. Multistep reaction;
With dihydrogen peroxide; diborane In tetrahydrofuran at 0℃; Mechanism; other Δ4-steroids;
Conditions
ConditionsYield
With sodium phosphate buffer; Eubacterium coprostanoligenes ATCC 51222; sodium pyruvate; sodium 2-mercaptoacetate In water at 37℃; for 120h; Product distribution; Mechanism;
diethyl ether
60-29-7

diethyl ether

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

aged platinum

aged platinum

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
Hydrogenation;
diethyl ether
60-29-7

diethyl ether

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

palladium

palladium

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
Hydrogenation;
cholesterol
57-88-5

cholesterol

nickel

nickel

A

dihydrocholesterone
566-88-1

dihydrocholesterone

B

coprostanone
601-53-6

coprostanone

Conditions
ConditionsYield
at 220℃; sowie auf 240grad;
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

coprostanone
601-53-6

coprostanone

[(5R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-trimethyl-silane
23400-63-7

[(5R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-trimethyl-silane

Conditions
ConditionsYield
With chiral lithium amide ((R)-5b) In hexane; toluene at -78℃; for 0.333333h;99%
coprostanone
601-53-6

coprostanone

formic acid ethyl ester
109-94-4

formic acid ethyl ester

2-hydroxymethylene-5β-cholestan-3-one
2493-32-5, 17130-63-1, 53585-15-2

2-hydroxymethylene-5β-cholestan-3-one

Conditions
ConditionsYield
With ethanol; sodium In diethyl ether99%
coprostanone
601-53-6

coprostanone

ethylene glycol
107-21-1

ethylene glycol

3,3-ethylenedioxy-5β-cholestane
25328-53-4

3,3-ethylenedioxy-5β-cholestane

Conditions
ConditionsYield
With montmorillonite K-10 In benzene for 2h; Heating;98%
coprostanone
601-53-6

coprostanone

epicoprostanol
516-92-7

epicoprostanol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 0℃; for 0.0833333h;95%
With lithium aluminium tetrahydride; diethyl ether
Multi-step reaction with 2 steps
1: sodium; ethanol
2: sodium pentylate; amyl alcohol
View Scheme
Multi-step reaction with 2 steps
2: sodium ethylate; ethanol / 180 - 210 °C
View Scheme
coprostanone
601-53-6

coprostanone

4β-chloro-5β-cholestan-3-one
54786-78-6

4β-chloro-5β-cholestan-3-one

Conditions
ConditionsYield
With potassium chlorate; sulfuric acid In 1,4-dioxane at 45℃; for 0.833333h;90.4%
coprostanone
601-53-6

coprostanone

acetic anhydride
108-24-7

acetic anhydride

2-cholestene-3-ol acetate

2-cholestene-3-ol acetate

Conditions
ConditionsYield
With iodine for 0.0833333h; Acetylation; microwave irradiation;90%
coprostanone
601-53-6

coprostanone

4β-bromo-5β-cholestan-3-one
4657-43-6

4β-bromo-5β-cholestan-3-one

Conditions
ConditionsYield
With ammonium cerium(IV) nitrate; bromine In water; acetic acid at 20℃; for 16h; Bromination;85%
With hydrogen bromide; bromine; acetic acid
With tetrachloromethane; N-Bromosuccinimide unter starker Belichtung;
methanol
67-56-1

methanol

coprostanone
601-53-6

coprostanone

5β-cholestan-3-one dimethyl acetal
18003-81-1

5β-cholestan-3-one dimethyl acetal

Conditions
ConditionsYield
at 20℃; for 12h; acetalization; UV-irradiation;85%
With toluene-4-sulfonic acid
With hydrogen; Wilkinson's catalyst
bis(methylsulfanyl)trimethylsilylmethane
37891-79-5

bis(methylsulfanyl)trimethylsilylmethane

coprostanone
601-53-6

coprostanone

3-[bis(methylthio)methylene]cholestane
56772-73-7

3-[bis(methylthio)methylene]cholestane

Conditions
ConditionsYield
Stage #1: bis(methylsulfanyl)trimethylsilylmethane With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 4h;
Stage #2: coprostanone In tetrahydrofuran; hexane at 20℃; for 12h;
85%
coprostanone
601-53-6

coprostanone

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

ethane-1,2-dithiol

5β-cholestan-3-one dithiolane
2791-44-8

5β-cholestan-3-one dithiolane

Conditions
ConditionsYield
tin(ll) chloride for 0.0833333h; microwave irradiation;84%
coprostanone
601-53-6

coprostanone

cholesta-1,4-dien-3-one
566-91-6

cholesta-1,4-dien-3-one

Conditions
ConditionsYield
With benzeneseleninic anhydride In chlorobenzene at 132℃; for 3h;83%
Multi-step reaction with 2 steps
1: 114 mg / pyridine hydrobromide perbromide / acetic acid / 0.5 h / 60 °C
2: CaCO3 / N,N-dimethyl-acetamide / 30 h / Heating
View Scheme
coprostanone
601-53-6

coprostanone

2α-Bromcholestan-3-on
881739-66-8

2α-Bromcholestan-3-on

Conditions
ConditionsYield
With hexabromocyclopenta-1,3-diene In acetonitrile for 15h; Heating;77%
Conditions
ConditionsYield
With hydrogen; carbon monoxide In methanol at 30 - 35℃; under 51485.6 - 73550.8 Torr; for 2.5h;75%
With hydrogen bromide; acetic acid; platinum at 60 - 65℃; Hydrogenation.Behandlung des Reaktionsprodukts mit aethanol. Alkalilauge;
With intestine bacteria
Reduktion unter Einwirkung von Darm-Bakterien;
coprostanone
601-53-6

coprostanone

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

ethane-1,2-dithiol

5α-cholestan-3-one ethanediyl S,S-acetal
2791-43-7

5α-cholestan-3-one ethanediyl S,S-acetal

Conditions
ConditionsYield
With boron trifluoride diacetate for 0.25h;70%
coprostanone
601-53-6

coprostanone

5β-cholestane-3,4-dione 4-oxime

5β-cholestane-3,4-dione 4-oxime

Conditions
ConditionsYield
With n-Butyl nitrite; potassium tert-butylate In tert-butyl alcohol for 0.5h; Ambient temperature;66%
Multi-step reaction with 2 steps
1: 22 percent / potassium t-butoxide, propyl nitrate / tetrahydrofuran / 2.5 h / Ambient temperature
2: 50.4 percent / ethanol / 3 h / Irradiation
View Scheme
Multi-step reaction with 3 steps
1: 22 percent / potassium t-butoxide, propyl nitrate / tetrahydrofuran / 2.5 h / Ambient temperature
2: 25.2 percent / ethanol / 3 h / Irradiation
3: 140 °C
View Scheme
coprostanone
601-53-6

coprostanone

4β-iodo-5β-cholestan-3-one
78806-58-3

4β-iodo-5β-cholestan-3-one

Conditions
ConditionsYield
With copper diacetate; iodine In acetic acid at 60℃; for 6h;65%
With ammonium cerium(IV) nitrate; iodine In water; acetic acid at 50℃; for 2.5h;60%
coprostanone
601-53-6

coprostanone

thiophenol
108-98-5

thiophenol

(5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-phenylsulfanyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene
88904-77-2

(5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-phenylsulfanyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene

Conditions
ConditionsYield
Montmorillonite KSF In toluene for 6h; Heating;62%
coprostanone
601-53-6

coprostanone

(5S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-4-iodo-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one

(5S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-4-iodo-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one

Conditions
ConditionsYield
With ammonium cerium(IV) nitrate; iodine In water; acetic acid at 50℃; for 2.5h; Iodination;60%

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