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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

Cholestane, (5α)-

Cas:481-21-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

Natural Extract 98% 5α-Cholestane 481-21-0 HACCP Manufacturer

Cas:481-21-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

5α-Cholestane

Cas:481-21-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

5ALPHA-CHOLESTANE

Cas:481-21-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 481-21-0 with competitive price

Cas:481-21-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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

Cholestane, (5α)-

Cas:481-21-0

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

Cholestane, (5α)-

Cas:481-21-0

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

Cholestane, (5α)-

Cas:481-21-0

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

Cholestane, (5α)-

Cas:481-21-0

Min.Order:0

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

5α-Cholestane

Cas:481-21-0

Min.Order:1 Gram

Negotiable

Type:Other

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

5α-Cholestane

Cas:481-21-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

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

481-21-0 CAS NO.481-21-0

Cas:481-21-0

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 5α-Cholestane 20mg

Cas:481-21-0

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

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-alpha)-Cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Huarong Pharm Co., Ltd.

High qualityAppearance:White powder Storage:Room temperature Package:Aluminum bag Application:Used in producing API Transportation:By air Port:Beijing

5Alpha-Cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Trading Company

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

Cholestane, (5α)-

Cas:481-21-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

481-21-0

Cas:481-21-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Cholestane, (5α)- cas 481-21-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Cholestane, (5α)- cas 481-21-0

Cas:481-21-0

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

5α-Cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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:20mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any por

5α-Cholestane

Cas:481-21-0

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

5α-Cholestane

Cas:481-21-0

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

α-Cholestane

Cas:481-21-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

481-21-0 CAS NO.481-21-0

Cas:481-21-0

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

Cholestane, (5α)-

Cas:481-21-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Simson Pharma Limited

The system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin

(5α)-Cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Nanjing Raymon Biotech Co., Ltd.

Cholestane, (5α)- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen

Cholestane, (5α)-

Cas:481-21-0

Min.Order:0

Negotiable

Type:Trading Company

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 a-Cholestane, CAS:481-21-0 with the most competitive price and the best quality. We c

a-Cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Wuxi Morality Chemical Co., Ltd

Do best quality products, erect the morality model Application:please email us, thanks

5ALPHA-CHOLESTANE

Cas:481-21-0

Min.Order:0

Negotiable

Type:Other

inquiry

SHANGHAI ZZBIO CO., LTD.

High pure standard, Quick shippment COA with HPLC, MS and NMR spectra. Package:100mg Application:pharmaceutical industry, food industry, research

(5-alpha)-Cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Foreign Trade Corp

CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio

5-α-cholestane

Cas:481-21-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

3-bromocholestane
97100-53-3

3-bromocholestane

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethyl borane; 1,1,2,2-tetraphenyldisilane In ethanol for 4h; Ambient temperature;99%
3β-phenylselenenyl-5α-cholestane
75809-01-7

3β-phenylselenenyl-5α-cholestane

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethyl borane; 1,1,2,2-tetraphenyldisilane In ethyl acetate at 20℃; for 1h; Reduction;99%
Conditions
ConditionsYield
With ammonium formate; palladium on activated charcoal In methanol for 2h; Heating;99%
(3R,5S,8R,9S,10S,13R,14S,17R)-3-bromo-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthrene
2309-03-7

(3R,5S,8R,9S,10S,13R,14S,17R)-3-bromo-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthrene

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With water; zinc In acetonitrile at 80℃; for 30h; Sealed tube; Inert atmosphere;97%
With water; zinc In acetonitrile at 80℃; for 30h; Inert atmosphere; Sealed tube;97%
With triethylsilane; 2,3,3,4,4,5-hexamethyl-2-hexanethiol In cyclohexane Heating;86%
5α-cholestan-3β-yl adamantane-1-carboxylate
73532-35-1

5α-cholestan-3β-yl adamantane-1-carboxylate

A

1-adamantanemethanol
770-71-8

1-adamantanemethanol

B

1-Adamantanecarboxylic acid
828-51-3

1-Adamantanecarboxylic acid

C

cholestane
481-21-0

cholestane

D

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With 18-crown-6 ether; tert-butylamine In tetrahydrofuran at 46℃; further reagent;A 2%
B 96%
C 43%
D 57%
With lithium; ethylamine at 17℃; further reagent;A 65%
B 4%
C 4%
D 94%
(5α-cholestan-3β-yl)-methyl ether
1981-90-4

(5α-cholestan-3β-yl)-methyl ether

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethylsilane; (η4-1,5-cyclooctadiene)bis(triphenylphosphine)iridium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate In dichloromethane-d2 at 50℃; for 2h; Reagent/catalyst;95%
O-cholestan-3β-yl-O'-(4-fluorophenyl)thionocarbonate
130534-82-6

O-cholestan-3β-yl-O'-(4-fluorophenyl)thionocarbonate

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethyl borane; diphenylsilane; oxygen In hexane; benzene at 80℃; for 0.5h;93%
With triethylsilane; Perbenzoic acid for 1.5h; Heating;93%
With 2,2'-azobis(isobutyronitrile); phosphoric acid In 1,4-dioxane Heating;93%
With Perbenzoic acid; phenylsilane In toluene for 1.33333h; Heating;87%
5α-cholestan-3β-yl adamantane-1-carboxylate
73532-35-1

5α-cholestan-3β-yl adamantane-1-carboxylate

A

1-adamantanemethanol
770-71-8

1-adamantanemethanol

B

N-ethyl-1-adamantanecarboxamide
1501-94-6

N-ethyl-1-adamantanecarboxamide

C

cholestane
481-21-0

cholestane

D

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With lithium; ethylamine In tetrahydrofuran at -73℃; further reagent;A 69%
B 0.5%
C 1%
D 93%
Thiocarbonic acid O-[(5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl] ester O-(4-fluoro-phenyl) ester

Thiocarbonic acid O-[(5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl] ester O-(4-fluoro-phenyl) ester

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); hypophosphorous acid; triethylamine In 1,4-dioxane; water for 2.5h; Heating;93%
ethylamine
75-04-7

ethylamine

5α-cholestan-3β-yl adamantane-1-carboxylate
73532-35-1

5α-cholestan-3β-yl adamantane-1-carboxylate

A

1-Adamantanecarboxylic acid
828-51-3

1-Adamantanecarboxylic acid

B

N-ethyl-1-adamantanecarboxamide
1501-94-6

N-ethyl-1-adamantanecarboxamide

C

cholestane
481-21-0

cholestane

D

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With lithium In tetrahydrofuran at 17℃; Further byproducts given;A 4%
B 92%
C 7%
D 85%
5α-cholestane-3β,6β-diyl bis-(adamantane-1-carboxylate)
73532-34-0

5α-cholestane-3β,6β-diyl bis-(adamantane-1-carboxylate)

A

1-Adamantanecarboxylic acid
828-51-3

1-Adamantanecarboxylic acid

B

cholestane
481-21-0

cholestane

C

Cholestanol
80-97-7

Cholestanol

D

5α-cholestan-6β-ol
35490-51-8

5α-cholestan-6β-ol

Conditions
ConditionsYield
With 18-crown-6 ether; tert-butylamine Further byproducts given;A 92%
B 45%
C 27%
D 6%
Thiocarbonic acid O-[(3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl] ester O-phenyl ester
145345-67-1

Thiocarbonic acid O-[(3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl] ester O-phenyl ester

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethylsilane; dibenzoyl peroxide at 110℃; for 3h;91%
With 5,10-dihydro-silanthrene; ABIN In cyclohexane at 80℃; for 1h;85%
1-(cholestan-3β-yloxymethyl)pyrrolidin-2-one

1-(cholestan-3β-yloxymethyl)pyrrolidin-2-one

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With 2,2-bis(tert-butylperoxy)butane; tri-tert-butoxysilanethiol In octane for 4h; Heating;91%
1-(5α-cholestan-3β-yloxythiocarbonyl)imidazole
57700-97-7

1-(5α-cholestan-3β-yloxythiocarbonyl)imidazole

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); 2,2-di-Me-5-[3-(diphenylstannyl)propyl]-1,3-dioxolan-4-one In toluene for 10h; Heating;91%
Multi-step reaction with 2 steps
1: 1,8-diazabicyclo<5.4.0>undec-7-ene
2: 75 percent / Bu3SnH / azoisobutyronitrile / benzene / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: 1,8-diazabicyclo<5.4.0>undec-7-ene
2: 29 percent / Bu3SnH / azoisobutyronitrile / benzene / 80 °C
View Scheme
3β-(methylthio)thiocarbonyloxy-5α-cholestane
5211-17-6

3β-(methylthio)thiocarbonyloxy-5α-cholestane

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With HSiPh3 In 1,4-dioxane at 60℃; for 2.5h;90%
With triethylsilane; bis(1-methyl-1-phenylethyl)peroxide; 2,3,3,4,4,5-hexamethyl-2-hexanethiol In octane at 140℃; for 4h; also with di-t-butyl peroxide (DTBP) (initiator);86%
With 2,2'-azobis(isobutyronitrile); Tris(trimethylsilyl)methane In benzene at 80℃; for 12h;86%
With tri-n-butyl-tin hydride In benzene-d6 at 80℃;61%
Multi-step reaction with 3 steps
2: 31 percent / phenylseleninic acid / tetrahydrofuran; diethyl ether / -78 °C
3: 49 percent / t-butylmercaptan / toluene / 1 h / Heating
View Scheme
5α-cholestan-3β-yl adamantane-1-carboxylate
73532-35-1

5α-cholestan-3β-yl adamantane-1-carboxylate

A

cholestane
481-21-0

cholestane

B

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With sodium-potassium alloy; 18-crown-6 ether; tert-butylamine In tetrahydrofuran at 25℃; further reagent;A 90%
B 6%
dihydrocholesterone
566-88-1

dihydrocholesterone

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With zinc In acetic acid at 15℃; for 0.25h; ultrasonic irradiation;89%
With chloro-trimethyl-silane; zinc In dichloromethane; isopropyl alcohol at 0℃; for 3h; Clemmensen reaction;86%
With hydrogenchloride; amalgamated zinc; acetic acid
O-cholestanyl-S-methyl dithiocarbonate
5211-17-6, 16734-07-9, 70286-38-3

O-cholestanyl-S-methyl dithiocarbonate

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethylsilane; 2,3,3,4,4,5-hexamethyl-2-hexanethiol; bis(1-methyl-1-phenylethyl)peroxide In octane for 4h; Mechanism; Product distribution; Heating;89%
trifluoroacetoxy-3β 5α-cholestane
2839-20-5

trifluoroacetoxy-3β 5α-cholestane

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With di-tert-butyl peroxide; diphenylsilane at 140℃; for 15h;87%
3β-(NN-diethylaminothiocarbonyloxy)-5α-cholestane
73532-43-1

3β-(NN-diethylaminothiocarbonyloxy)-5α-cholestane

A

cholestane
481-21-0

cholestane

B

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With 18-crown-6 ether; tert-butylamine In tetrahydrofuran Ambient temperature;A 86%
B 8%
With 18-crown-6 ether In tetrahydrofuran; 1,2-dimethoxyethaneA 74%
B 14%
With 18-crown-6 ether; tert-butylamine In tetrahydrofuran Ambient temperature; further conditions;A 58%
B 40%
3β-Cholestanyl phenyl telluride

3β-Cholestanyl phenyl telluride

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triethyl borane; Tetrakis-(p-fluorphenyl)-disilan In ethyl acetate at 20℃; for 1h; Reduction;85%
(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthren-3-yl methanesulfonate
3381-51-9

(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthren-3-yl methanesulfonate

A

cholestane
481-21-0

cholestane

B

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol; N,N,N,N,N,N-hexamethylphosphoric triamide for 15h; Irradiation;A 14%
B 84%
With sodium cyanide In methanol; N,N,N,N,N,N-hexamethylphosphoric triamide for 15h; Irradiation;A 21%
B 75%
With potassium Sodium; tert-butyl alcohol; 18-crown-6 ether In tetrahydrofuran Ambient temperature; var. cat.: tris(3,6-dioxaheptyl)amine;A 8 % Chromat.
B 72%
With potassium Sodium; tert-butyl alcohol; 18-crown-6 ether In tetrahydrofuran Ambient temperature; var. cat.: tris(3,6-dioxaheptyl)amine;A 8%
B 72 % Chromat.
for 15h; Product distribution; Mechanism; Irradiation; different solvents and additives;
3β-phenylselenenyl-5α-cholestane
75250-34-9

3β-phenylselenenyl-5α-cholestane

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With triphenylstannane In benzene at 120℃; for 0.5h;84%
3β-(isopropyloxycarbonyloxy)-5α-cholestane
78916-32-2

3β-(isopropyloxycarbonyloxy)-5α-cholestane

A

cholestane
481-21-0

cholestane

B

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With 18-crown-6 ether; tert-butylamine In tetrahydrofuran Ambient temperature;A 12%
B 83%
N-methyl-N-<2-(NN-dimethylamino)ethyl>aminothiocarbonyloxy-5α-cholestane
73532-44-2

N-methyl-N-<2-(NN-dimethylamino)ethyl>aminothiocarbonyloxy-5α-cholestane

A

cholestane
481-21-0

cholestane

B

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With 18-crown-6 ether; tert-butylamine In tetrahydrofuran Ambient temperature;A 83%
B 12%
O-cholestan-3β-yl-O'-(4-fluorophenyl)thionocarbonate
130534-82-6

O-cholestan-3β-yl-O'-(4-fluorophenyl)thionocarbonate

A

cholestane
481-21-0

cholestane

B

O-cholestanyl thionoformate
57701-04-9

O-cholestanyl thionoformate

Conditions
ConditionsYield
With triethyl borane; diphenylsilane; oxygen In hexane; benzene at 25℃; for 0.5h;A 82%
B 8%
neocholesteryl bromide
51154-61-1

neocholesteryl bromide

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
With potassium Sodium; tert-butyl alcohol; Tris(3,6-dioxaheptyl)amine In tetrahydrofuran Ambient temperature; var. cat.: 18-crown-6;80%
3β-(NN-diethylaminocarbonyloxy)-5α-cholestane
78916-31-1

3β-(NN-diethylaminocarbonyloxy)-5α-cholestane

A

cholestane
481-21-0

cholestane

B

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
With 18-crown-6 ether; tert-butylamine In tetrahydrofuran Ambient temperature;A 4%
B 80%
3β-formyloxy-5αH-cholestane
10437-24-8

3β-formyloxy-5αH-cholestane

A

formic acid
64-18-6

formic acid

B

cholestane
481-21-0

cholestane

C

Cholestanol
80-97-7

Cholestanol

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide; water for 5h; Irradiation;A n/a
B 79%
C 19%
N-(3β-cholestanyloxythiocarbonyl)imidazole

N-(3β-cholestanyloxythiocarbonyl)imidazole

cholestane
481-21-0

cholestane

Conditions
ConditionsYield
79%
cholestane
481-21-0

cholestane

α-cholestane-d48

α-cholestane-d48

Conditions
ConditionsYield
With d8-isopropanol; 5% rhodium-on-charcoal; 10% Pt/activated carbon; water-d2 In cyclohexane at 120℃; for 24h; Sealed tube;90%

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