high purity lowest price Cholesterol 99% powder Specifications CAS No.: 57-88-5 Other Names: Cholesterol MF: C27H46O EINECS No.: 200-353-2 Pl
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
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inquiryItems Standard Result Appearance White or similar sheet crystal or powder Melting point 147℃-150℃
Cas:57-88-5
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inquiryProduct Name: Cholesterol Synonyms: (3.beta.)-Cholest-5-en-3-ol;(3β)-cholest-5-en-3-ol;3β-hydroxycholest-5-ene;5,6-Cholesten-3beta-ol;5:6-cholesten-3-beta-ol;5:6-Cholesten-3beta-ol;5-Chole
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inquiryHubei Vanz Pharm Co. Ltd. is located in Wuhan, Hubei province. We are one of the most professional company in pharm/chmecial industry for more than 10 years. We export to many countries and area with very competitive price, high quality, good serv
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inquiryhebei 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
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inquiryNatural wild Velvet Antler Extract Male's Healthcare Deer Antler Velvet Extract 10:1 Powder Price Xi'an Quanao Biotech Co., Ltd. is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootr
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inquiryHANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp
Good quality Competitive price On time delivery Our Advantages: Full experience of large numbers containers loading in main Chinese seaports Packing with pallet as buyer's special request Best service after shipment with e-mail
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inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:White or
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inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
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inquiryThe 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
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
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inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ
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inquiryOur 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
Name:cholesterol CAS:57-88-5 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Prod
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inquiryAbout Product Details Cholesterol Chemical Properties Melting point 148-150 °C alpha -36 º (c=2, dioxane) Boiling point 360 °C density
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inquiryCholesterol Basic information Outline Cholesterol content of human tissue Classification Effect Sources and absorption TransportDetermination Food containing high levels of cholesterol Harm of high cholesterol Pr
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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inquiryWITH 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
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inquiryOur 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
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inquiryName: Cholesterol CAS:57-88-5 MF: C27H46O Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:APIs Transportation:By sea or by air Port:Qingdao Port
Appearance:White, off-white crystal or crystalline powder Storage:Room temperature Package:25kg/drum Application:Pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in china
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inquiryOur Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua
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inquiry1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediate
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inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:57-88-5
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inquiryProduct Name: Cholesterol Synonyms: (3.beta.)-Cholest-5-en-3-ol;(3β)-cholest-5-en-3-ol;3β-hydroxycholest-5-ene;5,6-Cholesten-3beta-ol;5:6-cholesten-3-beta-ol;5:6-Cholesten-3beta-ol;5-Cholesten-3B-ol;5-cholesten-3β-ol CAS: 57-88-5
Cas:57-88-5
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inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:57-88-5
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inquiryCholesterol CAS: 57-88-5 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,
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inquirycholesteryl-2-tetrahydrofuran
cholesterol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol for 1h; Ambient temperature; | 100% |
With acetonyltriphenylphosphonium bromide In methanol; dichloromethane at 20℃; for 0.5h; | 95% |
Conditions | Yield |
---|---|
poly(4-vinylpyridinium) p-toluenesulfonate In tetrahydrofuran; ethanol at 75℃; for 40h; Hydrolysis; | 100% |
bis(trimethylsilyl)sulphate In methanol; 1,2-dichloro-ethane at 55℃; for 0.5h; | 98% |
With CuCl2*H2O In ethanol for 2h; Hydrolysis; Heating; | 98% |
3-[(1,1-dimethylethyl)dimethylsilyl]oxycholest-5-ene
cholesterol
Conditions | Yield |
---|---|
With aniline-terephthalaldehyde resin p-toluenesulfonic acid salt In tetrahydrofuran; methanol at 20℃; for 32h; | 99% |
With chloro-methylsulfanyl-methane; water; potassium iodide In 1,4-dioxane at 50℃; for 5.7h; | 98% |
With tetra-N-butylammonium tribromide In methanol; dichloromethane for 8h; | 97% |
cholesterol
Conditions | Yield |
---|---|
With Triethylgermyl-natrium In 1,4-dioxane; N,N,N,N,N,N-hexamethylphosphoric triamide at 50℃; for 16h; | 99% |
Conditions | Yield |
---|---|
With aniline-terephthalaldehyde resin p-toluenesulfonic acid salt In tetrahydrofuran; methanol at 20℃; for 0.166667h; | 99% |
Conditions | Yield |
---|---|
With methanol; samarium(II) dibromide In tetrahydrofuran at 50℃; for 48h; Temperature; | 99% |
Conditions | Yield |
---|---|
With diisobutylaluminium hydride; nickel dichloride In dichloromethane; toluene at -78℃; for 0.25h; Inert atmosphere; | 98% |
With potassium hydroxide In methanol at 35℃; for 1h; | 97% |
With aluminum oxide at 130℃; for 0.116667h; Irradiation; | 96% |
allyl cholesteryl ether
cholesterol
Conditions | Yield |
---|---|
With hydridotetakis(triphenylphosphine)rhodium(I); trifluoroacetic acid In ethanol for 0.5h; Heating; | 98% |
With hydridotetakis(triphenylphosphine)rhodium(I); trifluoroacetic acid In ethanol for 0.5h; Product distribution; Heating; or deprotection of other allyl ethers; | 98% |
With diisobutylaluminium hydride; 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In diethyl ether; toluene at 0 - 20℃; for 2h; | 95% |
Conditions | Yield |
---|---|
With sodium selenite; rac-cysteine In tetrahydrofuran; water at 0℃; for 1h; | 98% |
With samarium diiodide In tetrahydrofuran for 0.333333h; Ambient temperature; | 97% |
With 2,2'-azobis(isobutyronitrile); diphenylstibane In toluene at 90℃; for 18h; | 97% |
1-((cholesteryloxy)methyl)-4-methoxybenzene
cholesterol
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid; p-toluenesulfonamide safety-catch resin In 1,4-dioxane | 98% |
With trifluorormethanesulfonic acid; 1,3-Dimethoxybenzene In dichloromethane at 21℃; for 0.166667h; | 91% |
With silver hexafluoroantimonate; 1,2,3-trimethoxybenzene In dichloromethane at 40℃; for 10h; | 85% |
3β-(1-Ethoxyethoxy)-5-cholestene
cholesterol
Conditions | Yield |
---|---|
With acetonyltriphenylphosphonium bromide In methanol; dichloromethane at 20℃; for 0.5h; | 98% |
With CuCl2*H2O In water; acetone Hydrolysis; Heating; | 96% |
With water; ammonium chloride In tetrahydrofuran at 150℃; for 1h; Glovebox; High pressure; Sealed tube; |
cholesterol
Conditions | Yield |
---|---|
With aminomethyl resin-supported N-propylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 20℃; | 98% |
cholesterol
Conditions | Yield |
---|---|
With sulfuric acid In 1,4-dioxane; water at 50℃; for 3h; Solvent; | 97.74% |
3β-hydroxycholest-5-en-23-one
cholesterol
Conditions | Yield |
---|---|
Wolff-Kishner reduction; | 97% |
cholester-3β-yl thiobenzoate
A
cholesterol
B
benzyl 3-cholesteryl ether
C
cholest-5-ene
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); triphenylstannane In toluene at 110℃; for 0.333333h; Yields of byproduct given; | A n/a B 97% C n/a |
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene at 110℃; for 0.333333h; Product distribution; Mechanism; var. of reagent, its amount; | A 38% B 49% C n/a |
Carbonic acid 2-benzenesulfonyl-ethyl ester (3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester
cholesterol
Conditions | Yield |
---|---|
With triethylamine In pyridine at 20℃; for 70h; Product distribution; | 96.5% |
Carbonic acid (3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 2-trimethylsilanyl-ethyl ester
A
ethene
B
trimethylsilyl fluoride
C
cholesterol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In dichloromethane at 20℃; for 0.166667h; deprotection of TMSEC derivat; | A n/a B n/a C 94% |
{2-[(3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxymethoxy]-ethyl}-trimethyl-silane
cholesterol
Conditions | Yield |
---|---|
With 4 A molecular sieve; tetrabutyl ammonium fluoride 1.) THF; 2.) DMPU, 45 deg C, 9 h; | 94% |
With 4 A molecular sieve; tetrabutyl ammonium fluoride Product distribution; 1.)THF; 2.) DMPU, 45 deg C, 9 h; deprotection of various ethers investigated; | 94% |
cholesterol
Conditions | Yield |
---|---|
In benzene for 1h; Irradiation; | 94% |
cholesterol
Conditions | Yield |
---|---|
With ammonium acetate; 10% Cd/Pd In tetrahydrofuran; water for 0.75h; | 94% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In 1,4-dioxane at 20℃; Hydrolysis; | 93% |
Cholesteryl-4-methoxybenzolsulfonat
cholesterol
Conditions | Yield |
---|---|
With tetraethylammonium bromide In ethanol electrolysis at -2.1 to -2.3 V; | 92.7% |
cholesteryl p-toluenesulfonate
cholesterol
Conditions | Yield |
---|---|
With tetraethylammonium bromide In ethanol electrolysis at -2.1 to -2.3 V; | 92% |
With sodium tetrahydroborate In diethyl ether; water; N,N-dimethyl-formamide for 6h; Ambient temperature; | 86% |
3β-hydroxylcholest-5,22-dien
cholesterol
Conditions | Yield |
---|---|
With 1% Pd on activated carbon; ammonium acetate; hydrogen In ethanol at 50℃; under 2280.15 Torr; for 12h; Temperature; | 91.9% |
With 5%-palladium/activated carbon; hydrogen In methanol at 15 - 20℃; for 24h; | 85% |
Conditions | Yield |
---|---|
With trimethylsilyl bromide; 4 A molecular sieve In dichloromethane -30 deg C, 1 h, 0 deg C, 12 h; | 91% |
methanol
cholesteryl oleate
A
octadec-9-enoic acid methyl ester
B
cholesterol
Conditions | Yield |
---|---|
With potassium hydrogensulfate; silica gel at 65℃; for 10h; | A 71% B 91% |
2-[(3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-[1,4]dioxane
cholesterol
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol for 2h; Heating; | 90% |
3β-(2-methoxyethoxymethoxy)-5-cholestene
bis-i-propylthioboron bromide
A
cholesterol
B
i-propylthiomethyl ether of cholesterol
Conditions | Yield |
---|---|
With dmap In dichloromethane 1.) -95 deg C, 5 min, 2.) 4-dimethylaminopyridine, -95 deg C, 15 min and -50 deg C, 10 min; | A 9% B 89% |
With dmap In dichloromethane Product distribution; Mechanism; 1.) -95 deg C, 5 min, 2.) 4-dimethylaminopyridine, -95 deg C, 15 min and-50 deg C, 10 min; | A 9% B 89% |
Conditions | Yield |
---|---|
erbium(III) triflate In acetonitrile at 20℃; for 4h; | 100% |
3,4-dihydro-2H-pyran
cholesterol
3-O-(tetrahydro-2H-pyran-2-yl)cholesterol
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane for 6h; Ambient temperature; | 100% |
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 1.5h; | 99% |
bis(trimethylsilyl)sulphate In dichloromethane; 1,2-dichloro-ethane at 0℃; for 0.333333h; | 98% |
Conditions | Yield |
---|---|
With TiO(acac)2 In xylene for 36h; Heating; | 100% |
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 24h; Reflux; | 99% |
With iron(III)-acetylacetonate In 5,5-dimethyl-1,3-cyclohexadiene for 20h; Inert atmosphere; Reflux; | 96% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 2.33333h; | 100% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; | 88% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane | 70% |
cholesterol
(2S,3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-chloro-6-methyltetrahydro-2H-pyran
Conditions | Yield |
---|---|
With 2-methyl-but-2-ene; zinc(II) p-tert-butylbenzoate In dichloromethane for 1h; Ambient temperature; | 100% |
Conditions | Yield |
---|---|
With C40H36Cl2FeN2P2Ru; potassium tert-butylate In toluene; tert-butyl alcohol at 145℃; for 3h; Inert atmosphere; | 100% |
With 1,4-butanediol dimethylacrylate crosslinked polyacenaphthylene supported t-butyl chromate In chloroform at 30℃; for 29h; | 92% |
With water; Dess-Martin periodane In dichloromethane for 0.5h; | 91% |
Conditions | Yield |
---|---|
With hydrogen; palladium 10% on activated carbon In ethyl acetate | 100% |
With hydrogen; palladium dichloride In dichloromethane at 20℃; under 760 Torr; | 99% |
With hydrogen; palladium diacetate; pyrographite In tetrahydrofuran; methanol at 25℃; under 760.051 Torr; for 12h; | 99% |
Conditions | Yield |
---|---|
With iodine for 0.166667h; Ambient temperature; | 100% |
With toluene-4-sulfonic acid for 0.0111667h; microwave irradiation; | 100% |
[(nBu2Sn)12(μ3-O)14(μ2-OH)6](2+)*2C6H5SO3(1-) at 20℃; for 0.416667h; | 100% |
Conditions | Yield |
---|---|
With pyridine at 37℃; Inert atmosphere; | 100% |
With pyridine; chromium trioxide-3,5-dimethylpyrazole | |
Stage #1: cholesterol; acetic anhydride With dmap; triethylamine In dichloromethane at 20℃; Inert atmosphere; Stage #2: With potassium dichromate; 1-hydroxy-pyrrolidine-2,5-dione; acetic acid In acetone at 50℃; for 48h; | 2.03 g |
cholesterol
p-toluenesulfonyl chloride
cholesteryl p-toluenesulfonate
Conditions | Yield |
---|---|
With pyridine In chloroform at 20℃; for 12h; | 100% |
With pyridine at 0 - 20℃; | 98% |
With aluminum dodecatungstophosphate at 20℃; for 0.1h; | 96% |
cholesterol
phenylcarbonochloridothioate
cholest-5-en-3-ol (3β)-(O-phenyl carbonothioate)
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 0.833333h; Inert atmosphere; | 100% |
With pyridine In dichloromethane for 2h; | 96% |
With pyridine In chloroform-d1 at 25℃; half-life time of acylation of cholesterol with other chlorothionoformates; | 84% |
With pyridine In chloroform-d1 at 25℃; | 84% |
With sodium hydride |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Acylation; | 100% |
cholesterol
2,3,4,6-tetra-O-benzoyl-1-O-trichloroacetimidoyl-α-D-galactopyranose
1-O-cholesteryl-β-D-galactopyranoside
Conditions | Yield |
---|---|
Stage #1: cholesterol; 2,3,4,6-tetra-O-benzoyl-1-O-trichloroacetimidoyl-α-D-galactopyranose With trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve In dichloromethane at 20℃; for 0.25h; Glycosylation; Stage #2: With sodium methylate Substitution; | 100% |
Conditions | Yield |
---|---|
Stage #1: cholesterol; C41H40Cl3NO16 With trimethylsilyl trifluoromethanesulfonate; 4 A molecular sieve In dichloromethane at 20℃; for 0.25h; Glycosylation; Stage #2: With sodium methylate Substitution; | 100% |
cholesterol
acrylonitrile
(3S,8S,9S,10R,13R,14S,17R)-3-(2-isocyanoethoxy)-10,13-dimethyl-17((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium hydroxide In dichloromethane; water at 20℃; | 100% |
With water; potassium hydroxide In 1,4-dioxane at 20℃; for 120h; | 100% |
With N-benzyl-trimethylammonium hydroxide at 20℃; Michael Addition; | 92% |
With n-butyllithium; copper(I) 2-hydroxy-3-methylbenzoate; benzylamine; 1,2-bis-(diphenylphosphino)ethane In tetrahydrofuran at 4℃; for 1h; Inert atmosphere; chemoselective reaction; | 54% |
With 18-crown-6 ether; potassium hydroxide In dichloromethane at 20℃; for 12h; Time; |
cholesterol
Conditions | Yield |
---|---|
Stage #1: cholesterol; podophyllotoxin 4-O-ortho-cyclopropylethynylbenzoate In dichloromethane at 20℃; for 0.5h; Molecular sieve; Inert atmosphere; Stage #2: With [bis(trifluoromethanesulfonyl)imidate](triphenylphosphine)gold(I) In dichloromethane at 20℃; for 4h; Molecular sieve; Inert atmosphere; | 100% |
cholesterol
(6aS,6bS,9R,9aR,11aS,11bR)-9a,11b-dimethyl-9-((R)-6-methylheptan-2-yl)hexadecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-3-ol
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0℃; for 1h; | 99.8% |
With 2,2,2-Trifluoroacetophenone; dihydrogen peroxide In acetonitrile; tert-butyl alcohol at 20℃; for 1h; Green chemistry; | 99% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 1h; Ambient temperature; | 97% |
Conditions | Yield |
---|---|
With pyridine at 20℃; for 12h; | 99.8% |
Conditions | Yield |
---|---|
With pyridine at 20 - 25℃; for 20h; Inert atmosphere; | 99.1% |
With triethylamine In dichloromethane at 4 - 22℃; Inert atmosphere; | 98% |
With triethylamine In diethyl ether at 0℃; for 1h; | 98% |
Conditions | Yield |
---|---|
With iron(III) chloride hexahydrate In 1,3,5-trimethyl-benzene for 12h; Reflux; | 99% |
With dmap; dicyclohexyl-carbodiimide |
cholesterol
1,1,1,3,3,3-hexamethyl-disilazane
cholesterol trimethylsilyl ether
Conditions | Yield |
---|---|
With polyvinylpolypyrrolidonium tribromide In acetonitrile at 20℃; for 0.416667h; | 99% |
With silica-FeCl3 at 20℃; for 0.85h; neat (no solvent); | 98% |
With trichloromelamine In dichloromethane; acetonitrile at 20℃; for 0.416667h; | 98% |
4-methyleneoxetan-2-one
cholesterol
(1R,3aS,3bS,7S,9aR,9bS,11aR)-9a,11a-dimethyl-1-[(2R)-6-methylheptan-2-yl]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl 3-oxobutanoate
Conditions | Yield |
---|---|
With dmap In tetrahydrofuran at 48℃; for 0.0833333h; | 99% |
2,3,4,6-tetra-O-benzyl-D-glucopyranose
cholesterol
cholesteryl α- and β-2,3,4,6-tetra-O-benzyl-D-glucosides
Conditions | Yield |
---|---|
With 4 A molecular sieve; 2-methoxyacetic acid; ytterbium(III) triflate In dichloromethane for 4h; Heating; | 99% |
Conditions | Yield |
---|---|
With iron(III)-acetylacetonate In n-heptane at 105℃; for 22h; Inert atmosphere; | 99% |
In hexane at 30℃; for 72h; Corynebacterium sp. S-401; | 16% |
With Candida rugosa lipase at 40℃; under 15.0012 - 30.0024 Torr; for 48h; | |
With Lipozyme IM at 80℃; under 15.0012 - 30.0024 Torr; for 48h; |
Conditions | Yield |
---|---|
With aluminum tris(iso-propoxide) In cyclohexanone; toluene for 10h; Reflux; | 99% |
With bromopentacarbonylmanganese(I); N-methyl-N,N-di(2-pyridylmethyl)amine; acetone; sodium t-butanolate In toluene at 90℃; for 24h; Inert atmosphere; Schlenk technique; Darkness; | 98% |
With Chromosorb; catalase; cholesterol oxidase In acetic acid butyl ester for 72h; | 95% |
Conditions | Yield |
---|---|
With poly-p-styryl-acetonyltriphenylphosphonium bromide In dichloromethane at 20℃; for 2h; | 99% |
With acetonyltriphenylphosphonium bromide In dichloromethane for 0.0833333h; Ambient temperature; | 97% |
With pyridinium p-toluenesulfonate In dichloromethane at 0℃; for 2h; | 77% |
With toluene-4-sulfonic acid In dichloromethane |
carbon disulfide
cholesterol
methyl iodide
O-((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl) S-methyl carbonodithioate
Conditions | Yield |
---|---|
Stage #1: cholesterol With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 2h; Stage #2: carbon disulfide In tetrahydrofuran; mineral oil at 0 - 20℃; for 15h; Stage #3: methyl iodide In tetrahydrofuran; mineral oil at 0℃; for 2h; | 99% |
With sodium hydride | 92% |
Stage #1: carbon disulfide; cholesterol In dimethyl sulfoxide at 20℃; for 0.333333h; Stage #2: With N-benzyl-trimethylammonium hydroxide In dimethyl sulfoxide at 20℃; for 1h; Stage #3: methyl iodide In dimethyl sulfoxide at 20℃; for 5h; | 70% |
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