Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:897-06-3
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inquiryAndrosta-1,4-diene-3,17-dione CAS No.:897-06-3 Name: Androsta-1,4-diene-3,17-dione Synonyms: Androstadienedione; 1,4-Androstadien-3,17-dione Molecular Structure Molecular Formula: C19H24O2 Molecular Weight: 284.39
Cas:897-06-3
Min.Order:1 Kilogram
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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
Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:897-06-3
Min.Order:1 Kilogram
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Type:Manufacturers
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
Cas:897-06-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur 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
Cas:897-06-3
Min.Order:1 Kilogram
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:897-06-3
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
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
Cas:897-06-3
Min.Order:10 Kilogram
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Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:897-06-3
Min.Order:0
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Type:Lab/Research institutions
inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:897-06-3
Min.Order:1 Kilogram
FOB Price: $10.0 / 20.0
Type:Trading Company
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 developmen
Cas:897-06-3
Min.Order:1 Kilogram
FOB Price: $2.0 / 6.0
Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best servic
Cas:897-06-3
Min.Order:10 Gram
Negotiable
Type:Other
inquiry1.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
Cas:897-06-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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 prese
Cas:897-06-3
Min.Order:1 Gram
FOB Price: $100.0 / 600.0
Type:Trading Company
inquiryAndrosta-1,4-diene-3,17-dione CAS:897-06-3 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 organ
Cas:897-06-3
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryHello, 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
Cas:897-06-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHenan 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
Cas:897-06-3
Min.Order:0
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Type:Lab/Research institutions
inquiryWe have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful
Cas:897-06-3
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Type:Trading Company
inquiryAppearance:white crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Se
Cas:897-06-3
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:897-06-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:897-06-3
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryJ&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
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
Cas:897-06-3
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquirylow price high quality high purity good sevice stock Appearance:white Storage:Preserve In Well-Closed, Light-Resistant and Tight Containers. Store In Cool & Dry Place Package:1g,5g,10g...1kg,5kg...more Application:Pharmaceutical intermediat
Cas:897-06-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:897-06-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:Used as Pharmaceutical Intermediates Transporta
Product name: 1,4-Androstadiene-3,17-Dione CAS No.: 897-06-3 Molecule Formula:C19H24O2 Molecule Weight:284.39 Purity: 98.0% Package: 25kg/drum Description:White or almost white crystalline powder Manufacture Standards:Enterprise Stand
Cas:897-06-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:897-06-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryCharacteristics: White or almost white crystalline powder Purity: ≥98% Melting Point: 137-140℃ Loss on drying: ≤0.5% Package: 25kg drum Use: Steroid hormone intermediate Appearance: White or almost white crystalline powder Storage:keep i
Cas:897-06-3
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:897-06-3
Min.Order:0
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Type:Trading Company
inquiryAndrosta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With dihydrogen peroxide In dichloromethane for 4h; | 90% |
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With dihydrogen peroxide In dichloromethane | 90% |
androstanedione
A
Androsta-1,4-diene-3,17-dione
B
5α-androst-1-ene-3,17-dione
Conditions | Yield |
---|---|
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In fluorobenzene; dimethyl sulfoxide at 70℃; for 24h; | A 4% B 84% |
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In fluorobenzene; dimethyl sulfoxide at 70℃; for 24h; Dehydrogenation; | A 4% B 84% |
Conditions | Yield |
---|---|
With iodoxybenzene; benzeneseleninic anhydride In benzene for 12h; Heating; | 72% |
With diphenyl diselenide; iodosylbenzene In benzene for 12h; Heating; | 72% |
With periodic acid |
3-thioxo-androst-1,4-dien-17-on
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane for 8h; Ambient temperature; | 72% |
Conditions | Yield |
---|---|
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In fluorobenzene; dimethyl sulfoxide at 85℃; for 48h; | 72% |
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In fluorobenzene; dimethyl sulfoxide at 85℃; for 48h; Dehydrogenation; | 72% |
Multi-step reaction with 2 steps 1: HBr; acetic acid; bromine / anschliessend Erwaermen auf 50grad View Scheme | |
Multi-step reaction with 2 steps 1: 3-ketosteroid Δ4-(5α)-dehydrogenase / Enzymatic reaction 2: 3-ketosteroid Δ1-dehydrogenase / Enzymatic reaction View Scheme |
cholesterol
A
Androstenedione
B
Androsta-1,4-diene-3,17-dione
C
(20S)-20-hydroxymethylpregn-4-en-3-one
D
24-norchol-4-ene-3,22-dione
E
24-norchola-1,4-diene-3,22-dione
F
(20S)-20-(hydroxymethyl)pregna-1,4-dien-3-one
Conditions | Yield |
---|---|
Product distribution; degradation by the Mycobacterium mutant CCM 3528; | A n/a B 0.20 g C n/a D 0.36 g E 1.21 g F 71% |
Conditions | Yield |
---|---|
for 336h; Rhodotorula mucilaginosa; | 54% |
Progesterone
A
testosterone
B
Androstenedione
C
Androsta-1,4-diene-3,17-dione
D
testololactone
Conditions | Yield |
---|---|
With Fusarium dimerum In water at 30℃; for 36h; pH=7; Product distribution; Further Variations:; Reagents; pH-values; var. times; | A 17.4% B 52.6% C 12.4% D 6.2% |
cholesterol
A
testosterone
B
Androstenedione
C
Androsta-1,4-diene-3,17-dione
D
1-dehydrotestosterone
E
2-[(8S,9S,10R,13S,14S)-10,13-Dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-cyclopenta[a]phenanthren-(17Z)-ylidene]-propionic acid methyl ester
F
22-hydroxy-23,24-bisnor-1,4-choladien-3-one
Conditions | Yield |
---|---|
With Mycobacterium sp. CCM 3529 Product distribution; | A 0.01 g B 0.03 g C 51% D 0.06 g E n/a F 0.38 g |
β-sitosterol
A
Androsta-1,4-diene-3,17-dione
B
23,24-Bisnorchola-1,4-dien-3-one-22-carboxylic acid
Conditions | Yield |
---|---|
With 8-quinolinol In water; N,N-dimethyl-formamide for 96h; Myc. lacticola 114; | A 5% B 47% |
β-sitosterol
A
Androstenedione
B
Androsta-1,4-diene-3,17-dione
C
23,24-Bisnorchola-1,4-dien-3-one-22-carboxylic acid
D
stigmast-4-en-3-one
Conditions | Yield |
---|---|
With 8-quinolinol In water; N,N-dimethyl-formamide at 27℃; for 72h; Product distribution; Myc. mucosum 3-AP, pH = 7.2 - 7.7; other strains of bacteria, other pH, other temperatures, other inhibitors, other time, different age of bacteria culture, different concentration of substrate; | A 0% B 12% C 44.1% D 22% |
β-sitosterol
A
Androsta-1,4-diene-3,17-dione
B
23,24-Bisnorchola-1,4-dien-3-one-22-carboxylic acid
C
stigmast-4-en-3-one
Conditions | Yield |
---|---|
With 8-quinolinol In water; N,N-dimethyl-formamide for 72h; Myc. mucosum 3-AP; | A 12% B 44.1% C 22% |
dehydroepiandrosterone
A
androst-4,6-diene-3,17-dione
B
5-androstenedione
C
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With 2,2'-bipyridylchromium peroxide In benzene for 3h; Product distribution; Heating; effect of various chromium(VI) based oxidants; | A 40% B 10% C 8% |
With 2,2'-bipyridylchromium peroxide In benzene for 3h; Heating; | A 40% B 10% C 8% |
Conditions | Yield |
---|---|
With [2,2]bipyridinyl In water; N,N-dimethyl-formamide for 72h; Myc. flavum var. methanicum B5; | A 4% B 35% |
Epiandrosterone
A
testosterone
B
3β,11α-dihydroxy-5α-androstan-17-one
C
3beta-7alpha-Dihydroxy-5alpha-androstane-17-one
D
3beta-7beta-Dihydroxy-5alpha-androstane-17-one
E
1α,3β-dihydroxy-5α-androstan-17-one
F
Androsta-1,4-diene-3,17-dione
G
1-dehydrotestosterone
H
6β-hydroxytestosterone
I
5α-androst-1-ene-3,17-dione
J
6β-hydroxy-4-androstene-3,17-dione
Conditions | Yield |
---|---|
With malt extract; disodium hydrogenphosphate; calcium(II) chloride dihydrate; magnesium(II) chloride hexahydrate; strontium (III) chloride hexahydrate; potassium chloride; boric acid; sodium hydrogencarbonate; sodium sulfate; sodium chloride; potassium bromide; potassium hydroxide In water; N,N-dimethyl-formamide at 32℃; for 168h; pH=8; Enzymatic reaction; | A 2% B 2% C 2% D 3% E 5% F 5% G 3% H 2% I 2% J 32% |
A
Androsta-1,4-diene-3,17-dione
B
1-{(1S,3aS,4R,7aS)-4-[2-(5-Hydroxy-2-methyl-phenyl)-ethyl]-7a-methyl-2,3,3a,4,7,7a-hexahydro-1H-inden-1-yl}-ethanone
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene for 40h; Heating; | A 25% B 25% |
cholesterol
A
Androstenedione
B
Cholest-4-en-3-one
C
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; Moraxella sp at 28℃; for 72h; | A 23% B n/a C 7% |
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; Moraxella sp at 28℃; for 72h; | A 23% B 7% |
3-thioxo-androst-1,4-dien-17-on
A
Androsta-1,4-diene-3,17-dione
B
1-Mercapto-4-methylestra-1,3,5(10)-trien-17-on
Conditions | Yield |
---|---|
With hydrogen bromide for 240h; Ambient temperature; | A 5% B 10% |
pyridine
5α-androstan-2α,4α-dibromo-3,17-dione
Androsta-1,4-diene-3,17-dione
2,4,6-trimethyl-pyridine
5α-androstan-2α,4α-dibromo-3,17-dione
Androsta-1,4-diene-3,17-dione
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With fusarium solani |
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With corynebacterium simplex |
1α,3β-dihydroxy-androst-5-en-17-one
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With cyclohexanone; aluminum isopropoxide; toluene |
Conditions | Yield |
---|---|
With aluminum isopropoxide; toluene |
androstane-3,17-dione
A
Androstenedione
B
Androsta-1,4-diene-3,17-dione
C
5β-Androst-1-ene-3,17-dione
Conditions | Yield |
---|---|
With Phenylselenyl chloride; dihydrogen peroxide Yield given. Multistep reaction. Yields of byproduct given; |
androstanedione
A
Androstenedione
B
Androsta-1,4-diene-3,17-dione
C
5α-androst-1-ene-3,17-dione
Conditions | Yield |
---|---|
With Phenylselenyl chloride; dihydrogen peroxide Yield given. Multistep reaction. Yields of byproduct given; |
A
Androsta-1,4-diene-3,17-dione
B
23,24-Bisnorchola-1,4-dien-3-on-22-oic acid
Conditions | Yield |
---|---|
With 8-quinolinol; Myc. mucosum 3-AP In N,N-dimethyl-formamide for 72h; Product distribution; other mycobacteria, various media for cultivation of mycobacteria; |
bis-(3α,17β-dihydroxyandrost-5-en-1α-yl) disulphide
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With C16H16F6FeN4O6S2; dihydrogen peroxide; acetic acid In acetonitrile at 20℃; for 0.166667h; stereoselective reaction; | 100% |
Conditions | Yield |
---|---|
With sodium carbonate In water at 20 - 50℃; Temperature; Solvent; Reagent/catalyst; | 98.6% |
With sodium carbonate In water at 20 - 45℃; Solvent; Reagent/catalyst; | 98.6% |
Androsta-1,4-diene-3,17-dione
(E)-(8R,9S,10R,13S,14S,8'R,9'S,10'R,13'S,14'S)-10,13,10',13'-Tetramethyl-7,8,9,10,11,12,13,14,15,16,7',8',9',10',11',12',13',14',15',16'-icosahydro-6H,6'H-[3,3']bi[cyclopenta[a]phenanthrenylidene]-17,17'-dione
Conditions | Yield |
---|---|
With zinc In tetrahydrofuran for 10h; Heating; other substrates; | 97% |
With zinc In tetrahydrofuran for 10h; Heating; | 97% |
With titanium; chloro-trimethyl-silane In 1,2-dimethoxyethane for 1h; Heating; | 84% |
Androsta-1,4-diene-3,17-dione
3-thioxo-androst-1,4-dien-17-on
Conditions | Yield |
---|---|
With Lawessons reagent In tetrahydrofuran for 1h; Ambient temperature; | 96% |
With Lawessons reagent In tetrahydrofuran for 1h; Ambient temperature; various steroides; | 96% |
With tetraphosphorus decasulfide |
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With sodium acetate; hydrazinium sulfate In ethanol for 72h; Ambient temperature; | 95% |
Conditions | Yield |
---|---|
Stage #1: methyl bromide With magnesium In tetrahydrofuran at 40 - 45℃; Stage #2: Androsta-1,4-diene-3,17-dione In toluene at 50 - 55℃; | 94.6% |
Stage #1: methyl bromide With magnesium In tetrahydrofuran at 40 - 45℃; Stage #2: Androsta-1,4-diene-3,17-dione In toluene at 50 - 55℃; | 94.6% |
Stage #1: methyl bromide With magnesium In tetrahydrofuran at 40 - 45℃; Stage #2: Androsta-1,4-diene-3,17-dione In toluene at 50 - 55℃; Stage #3: With hydrogenchloride In water at 50 - 55℃; pH=2 - 3; | 93.8% |
Androsta-1,4-diene-3,17-dione
trimethylaluminum
A
5β-methylandrost-1-ene-3,17-dione
B
1α-methyl-androst-4-ene-3,17-dione
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; copper(I) bromide In tetrahydrofuran; toluene for 2h; Ambient temperature; | A 2.6% B 93% |
Conditions | Yield |
---|---|
Stage #1: methylene chloride With magnesium In tetrahydrofuran at 30 - 35℃; Stage #2: Androsta-1,4-diene-3,17-dione In tetrahydrofuran at 50 - 55℃; | 92.5% |
Stage #1: methylene chloride With magnesium In tetrahydrofuran at 30 - 35℃; Stage #2: Androsta-1,4-diene-3,17-dione In tetrahydrofuran at 50 - 55℃; | 92.5% |
Stage #1: methylene chloride With magnesium In tetrahydrofuran at 30 - 35℃; Stage #2: Androsta-1,4-diene-3,17-dione In tetrahydrofuran at 50 - 55℃; Stage #3: With hydrogenchloride In water at 50 - 55℃; pH=2 - 3; | 92.5% |
Conditions | Yield |
---|---|
With γ-cyclodextrin; sodium hydride In water; acetone at 20℃; for 6h; | 92% |
Conditions | Yield |
---|---|
Stage #1: methyl iodide With magnesium In diethyl ether at 30 - 35℃; Stage #2: Androsta-1,4-diene-3,17-dione In benzene at 50 - 55℃; | 90.8% |
Stage #1: methyl iodide With magnesium In diethyl ether at 30 - 35℃; Stage #2: Androsta-1,4-diene-3,17-dione In benzene at 50 - 55℃; | 90.8% |
Stage #1: methyl iodide With magnesium In diethyl ether at 30 - 35℃; Stage #2: Androsta-1,4-diene-3,17-dione In benzene at 50 - 55℃; Stage #3: With hydrogenchloride In water at 50 - 55℃; pH=2 - 3; | 90.8% |
Androsta-1,4-diene-3,17-dione
[1α,2α-2H2]androst-4-ene-3,17-dione
Conditions | Yield |
---|---|
With water-d2; Wilkinson's catalyst In benzene-d6 at 20℃; for 1h; | 90.2% |
Androsta-1,4-diene-3,17-dione
triethylaluminum
A
1α-ethylandrost-4-ene-3,17-dione
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; copper(I) bromide In tetrahydrofuran; toluene for 2h; Ambient temperature; | A 90% B n/a |
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With water-d2; potassium carbonate In tetrahydrofuran for 24h; Reflux; | 90% |
Androsta-1,4-diene-3,17-dione
trimethylaluminum
1α-methyl-androst-4-ene-3,17-dione
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; copper(I) bromide In tetrahydrofuran for 2h; Ambient temperature; | 89% |
copper(I) bromide In 1,4-dioxane; water; toluene | |
copper(I) bromide In 1,4-dioxane; water; toluene | |
With chloro-trimethyl-silane; copper(I) bromide In tetrahydrofuran; water; toluene |
Androsta-1,4-diene-3,17-dione
triethylaluminum
1α-ethylandrost-4-ene-3,17-dione
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; copper(I) bromide In tetrahydrofuran; water; toluene | 89% |
With chloro-trimethyl-silane; copper(I) bromide In tetrahydrofuran for 1h; Ambient temperature; | 87% |
copper(I) bromide In 1,4-dioxane; hexane; water | 85% |
copper(I) bromide In 1,4-dioxane; hexane; water | 85% |
Androsta-1,4-diene-3,17-dione
thioacetic acid
S-((1S,8S,9S,10R,13S,14S)-10,13-dmethyl-3,17-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta-[a]phenanthren-1-yl) ethanethioate
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol; water at 20℃; for 12h; Inert atmosphere; | 89% |
trifluoromethylsulfonic anhydride
Androsta-1,4-diene-3,17-dione
androsten-3,5-dienyl-17-one 3-triflate
Conditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methylpyridine In dichloromethane for 4h; Ambient temperature; | 88% |
Conditions | Yield |
---|---|
With sodium acetate In ethanol for 120h; Ambient temperature; | 85% |
Conditions | Yield |
---|---|
With sodium hydroxide; iron pentacarbonyl In methanol; water at 50 - 60℃; for 16h; | 85% |
With thallium(III) nitrate trihydrate In diethylene glycol dimethyl ether for 24h; Ambient temperature; | 29% |
With hydrogen; silica gel; copper In toluene at 60℃; under 760 Torr; for 5h; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; Baeyer-Villiger Ketone Oxidation; | 85% |
With Fusarium oxysporum SC1301 In dimethyl sulfoxide at 30℃; for 15h; | 82% |
Androsta-1,4-diene-3,17-dione
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium acetate In ethanol; water for 6h; Inert atmosphere; Reflux; | 84.4% |
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water for 1.5h; Reflux; |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In chloroform 1) RT, 2h, 2) 50 deg C, 32 h; | 84% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 48h; Inert atmosphere; | 83% |
Androsta-1,4-diene-3,17-dione
A
1β,2β-Epoxy-4-androstene-3,17-dione
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In dichloromethane; acetone at 20℃; for 28h; Title compound not separated from byproducts; | A 1.2 % Spectr. B 12 % Spectr. C 81% D 5.8 % Spectr. |
With 3,3-dimethyldioxirane In dichloromethane; acetone at 20℃; for 28h; | A 1.2 % Spectr. B 12 % Spectr. C 81% D 5.8 % Spectr. |
Androsta-1,4-diene-3,17-dione
3,3-dimethyldioxirane
Conditions | Yield |
---|---|
In acetone at 23℃; Kinetics; | 81% |
2-phenylazlactone
Androsta-1,4-diene-3,17-dione
3-<5-Oxo-2-phenyl-1,3-oxazol-4(5H)-yliden>-1,4-androstadien-17-on
Conditions | Yield |
---|---|
With pyridine; titanium tetrachloride In tetrahydrofuran; tetrachloromethane 1.) 0-5 deg C, 20 min.; 2.) 2 h, room temp.; | 80% |
Conditions | Yield |
---|---|
With sodium acetate In ethanol for 120h; Ambient temperature; | 80% |
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