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inquiryProduct Name:24-Epibrassinolide CAS No.: 78821-43-9 Chemical formula: C28H48O6 Molecular weight:480.68 Item Specification Appearance off-white crystalline powder Water
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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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inquiryName:Epibrassinolide The alias:22R,23R,24R-2ALPHA,3ALPHA,22,28-TETRAHYDROXY-B-HOMO-7-OXA-5ALPHA-ERGOSTA-6-ONE; CAS NO:78821-43-9 Molecular formula:C28H48O6 Molecular weight:480.68 Product Quality 12 years of chemical raw materials Mature o
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inquiryProduct name: Brassinolide CAS No.: 78821-43-9 Content: 90% Chemical name: (3As,5s,6r,7ar,7bs,9as,10r,12as,12bs)-10-[(2s,3r,4r,5s)-3,4-dihydroxy-5,6-dimethy
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inquiryEpibrassinolide CAS:78821-43-9 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 intermedi
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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
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inquiryProduct Detail Minimum Order Qty. 10 Gram
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inquiryPRODUCT DETAILS Epibrassinolide Basic inf
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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
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Lorcaserin(856681-05-5)is an orally administered agent and a selective 5-HT2C receptor agonist for the treatment of obesity. It had been approved for marketing in US by FDA on 27 June in 2012. In clinical studies, lorcaserin h
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Nanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Epibrassinolide(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 committ
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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
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inquiryProduct Name: Epibrassinolide Synonyms: 22R,23R,24R-2ALPHA,3ALPHA,22,28-TETRAHYDROXY-B-HOMO-7-OXA-5ALPHA-ERGOSTA-6-ONE;(22R,23R,24R)-2-ALPHA,3-ALPHA,22,23-TETRAHYDROXY-24-METHYL-B-HOMO-7-OXA-5-ALPHA-CHOLESTAN-6-ONE;22R,23R,24R-2A,3A,22,23-TE
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inquiryProduct name: Epibrassinolide CAS No.:78821-43-9 Molecule Formula:C28H48O6 Molecule Weight:480.67 Purity: 99% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS SPE
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inquiry24-epicastasterone
24-epibrassinolide
Conditions | Yield |
---|---|
With trifluoroacetyl peroxide In dichloromethane; water at 0℃; for 3h; | 83% |
With trifluoroacetyl peroxide In chloroform for 2h; Ambient temperature; | 80% |
With dihydrogen peroxide; trifluoroacetic anhydride In chloroform at 0 - 20℃; for 2h; | 80% |
(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-B-homo-7-oxa-5α-ergostan-6-one tetraacetate
24-epibrassinolide
Conditions | Yield |
---|---|
With potassium hydroxide for 1h; Heating; | 73% |
(22E,24R)-B-Homo-7-oxa-5α-ergost-2,22-dien-6-one
A
(22S,23S)-24-epibrassinolide
B
24-epibrassinolide
Conditions | Yield |
---|---|
With 4-methylmorpholine N-oxide; osmium(VIII) oxide In tetrahydrofuran; water; tert-butyl alcohol for 48h; Ambient temperature; Yield given. Yields of byproduct given; |
(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one 22,23-methylboronate
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: trimethylamine-N-oxide / diethylene glycol dimethyl ether / 0.75 h / Reflux 2: Dowex-50W×8, 200–400 mesh, NH4+ form resin View Scheme |
(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one 22,23-boronate
24-epibrassinolide
Conditions | Yield |
---|---|
With Dowex-50W×8, 200-400 mesh, NH4+ form resin |
Ergosterol
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: methanesulfonyl chloride; pyridine / 20 °C 2.1: ammonia; lithium / tetrahydrofuran / 0.08 h / -78 - 65 °C / Inert atmosphere 2.2: 0.17 h / -78 - 60 °C / Inert atmosphere 2.3: Inert atmosphere 3.1: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 6 h / 165 °C / Inert atmosphere 4.1: potassium carbonate; osmium(VIII) oxide; potassium hexacyanoferrate(III); 10,11-dihydroquinidine p-chlorobenzoate; methanesulfonamide / water; tert-butyl alcohol 5.1: trifluoroacetyl peroxide View Scheme | |
Multi-step reaction with 7 steps 1: sodium carbonate / toluene / 2 h / 10 °C 2: potassium hydrogencarbonate / water; acetone / 3 h / Reflux 3: manganese(IV) oxide / water; methanol / 10 h / 40 °C 4: N,N,N,N,N,N-hexamethylphosphoric triamide; calcium / -5 - 0 °C 5: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 3 h / 160 °C / Inert atmosphere 6: potassium hexacyanoferrate(III); potassium carbonate; methanesulfonamide; osmium(VIII) oxide; AD-mix-β / water; tert-butyl alcohol / 144 h / 20 °C 7: trifluoroacetic anhydride; dihydrogen peroxide / chloroform / 2 h / 0 - 20 °C View Scheme |
(22E)-3α,5-cyclo-5α-ergosta-7,22-dien-6β-one
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: ammonia; lithium / tetrahydrofuran / 0.08 h / -78 - 65 °C / Inert atmosphere 1.2: 0.17 h / -78 - 60 °C / Inert atmosphere 1.3: Inert atmosphere 2.1: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 6 h / 165 °C / Inert atmosphere 3.1: potassium carbonate; osmium(VIII) oxide; potassium hexacyanoferrate(III); 10,11-dihydroquinidine p-chlorobenzoate; methanesulfonamide / water; tert-butyl alcohol 4.1: trifluoroacetyl peroxide View Scheme |
(22E)-3α,5-cyclo-5α-ergosta-22-en-6-one
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 6 h / 165 °C / Inert atmosphere 2: potassium carbonate; osmium(VIII) oxide; potassium hexacyanoferrate(III); 10,11-dihydroquinidine p-chlorobenzoate; methanesulfonamide / water; tert-butyl alcohol 3: trifluoroacetyl peroxide View Scheme |
24R-methyl-5α-cholesta-2,22-dien-6-one
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate; osmium(VIII) oxide; potassium hexacyanoferrate(III); 10,11-dihydroquinidine p-chlorobenzoate; methanesulfonamide / water; tert-butyl alcohol 2: trifluoroacetyl peroxide View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 3 h / 160 °C / Inert atmosphere 2: potassium hexacyanoferrate(III); potassium carbonate; methanesulfonamide; osmium(VIII) oxide; AD-mix-β / water; tert-butyl alcohol / 144 h / 20 °C 3: trifluoroacetic anhydride; dihydrogen peroxide / chloroform / 2 h / 0 - 20 °C View Scheme |
(22E,24R)-5α-ergosta-5,7,22-triene-3-p-toluenesulfonate
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: potassium hydrogencarbonate / water; acetone / 3 h / Reflux 2: manganese(IV) oxide / water; methanol / 10 h / 40 °C 3: N,N,N,N,N,N-hexamethylphosphoric triamide; calcium / -5 - 0 °C 4: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 3 h / 160 °C / Inert atmosphere 5: potassium hexacyanoferrate(III); potassium carbonate; methanesulfonamide; osmium(VIII) oxide; AD-mix-β / water; tert-butyl alcohol / 144 h / 20 °C 6: trifluoroacetic anhydride; dihydrogen peroxide / chloroform / 2 h / 0 - 20 °C View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: manganese(IV) oxide / water; methanol / 10 h / 40 °C 2: N,N,N,N,N,N-hexamethylphosphoric triamide; calcium / -5 - 0 °C 3: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 3 h / 160 °C / Inert atmosphere 4: potassium hexacyanoferrate(III); potassium carbonate; methanesulfonamide; osmium(VIII) oxide; AD-mix-β / water; tert-butyl alcohol / 144 h / 20 °C 5: trifluoroacetic anhydride; dihydrogen peroxide / chloroform / 2 h / 0 - 20 °C View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: N,N,N,N,N,N-hexamethylphosphoric triamide; calcium / -5 - 0 °C 2: pyridine hydrochloride; lithium bromide / N,N-dimethyl acetamide / 3 h / 160 °C / Inert atmosphere 3: potassium hexacyanoferrate(III); potassium carbonate; methanesulfonamide; osmium(VIII) oxide; AD-mix-β / water; tert-butyl alcohol / 144 h / 20 °C 4: trifluoroacetic anhydride; dihydrogen peroxide / chloroform / 2 h / 0 - 20 °C View Scheme |
24-epibrassinolide
2,2-dimethoxy-propane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane for 1.5h; | 90% |
bis(trichloromethyl) carbonate
24-epibrassinolide
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -80 - 20℃; for 12h; | 89% |
dihydroxy-methyl-borane
24-epibrassinolide
(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one 22,23-methylboronate
Conditions | Yield |
---|---|
With pyridine at 20℃; for 3h; | 86% |
dihydroxy-methyl-borane
indolyl-3-acetic acid anhydride
24-epibrassinolide
(22R,23R,24R)-3α-hydroxy-2α-(3'-indolylacetoxy)-24-methyl-B-homo-7-oxa-5α-cholestan-6-one 22,23-methylborate
Conditions | Yield |
---|---|
Stage #1: dihydroxy-methyl-borane; 24-epibrassinolide With pyridine at 20℃; for 6h; Stage #2: indolyl-3-acetic acid anhydride In 1,4-dioxane at 40℃; for 24h; | 76% |
indole-3-acetic acid
24-epibrassinolide
(22R,23R,24R)-3α-,23-dihydroxy-2α-,22-di(indol-3-ylacetoxy)-24-methyl-B-homo-7-oxa-5α-cholestan-6-one
Conditions | Yield |
---|---|
Stage #1: indole-3-acetic acid With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃; for 0.5h; Stage #2: 24-epibrassinolide With dmap In 1,4-dioxane at 40℃; for 5h; | 73% |
Stage #1: indole-3-acetic acid With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃; for 0.5h; Stage #2: 24-epibrassinolide With dmap In 1,4-dioxane at 40℃; for 5h; | 73% |
Conditions | Yield |
---|---|
In acetonitrile Heating; | 60% |
benzyl bromide
24-epibrassinolide
Conditions | Yield |
---|---|
Stage #1: 24-epibrassinolide With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.166667h; Inert atmosphere; Stage #2: benzyl bromide In tetrahydrofuran; mineral oil at 20℃; for 17h; Inert atmosphere; | A 60% B 30% |
24-epibrassinolide
Conditions | Yield |
---|---|
Stage #1: 2-O-benzylsalicylic acid anhydride With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃; for 1h; Stage #2: 24-epibrassinolide With dmap In 1,4-dioxane at 20℃; for 24h; | 59% |
Conditions | Yield |
---|---|
With pyridine at 65℃; for 3.5h; | 56% |
24-epibrassinolide
Conditions | Yield |
---|---|
for 120h; Cunninghamella echinulata IMET 43918; | 13 mg |
24-epibrassinolide
A
25-hydroxy-24-epibrassinolide
Conditions | Yield |
---|---|
With cytochrome P450-dependent monooxygenase Product distribution; title comp. exogenously applied to cell suspension cultures of lycopersicon esculentum; various periods of time (8-72 h); |
24-epibrassinolide
Conditions | Yield |
---|---|
With methanol at 20℃; |
Conditions | Yield |
---|---|
With methanol at 20℃; |
24-epibrassinolide
Conditions | Yield |
---|---|
With methanol at 20℃; |
indolyl-3-acetic acid anhydride
24-epibrassinolide
(22R,23R,24R)-3α,22,23-trihydroxy-2α-(3'-indolylacetoxy)-24-methyl-B-homo-7-oxa-5α-cholestan-6-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: pyridine / 6 h / 20 °C 1.2: 24 h / 40 °C 2.1: dihydrogen peroxide; potassium carbonate / methanol / 2 h View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
With diisobutylaluminium hydride In tetrahydrofuran; toluene at -78℃; for 0.666667h; Inert atmosphere; | 2.43 g |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3: toluene-4-sulfonic acid / water / 3 h View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3: toluene-4-sulfonic acid / water / 3 h 4: triethylamine; sodium periodate / water View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3: toluene-4-sulfonic acid / water / 3 h 4: triethylamine; sodium periodate / water 5: sodium periodate / 30 h / 20 °C View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3.1: toluene-4-sulfonic acid / water / 3 h 4.1: triethylamine; sodium periodate / water 5.1: sodium periodate / 30 h / 20 °C 6.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C / Inert atmosphere 6.2: 1 h / 20 °C View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3.1: toluene-4-sulfonic acid / water / 3 h 4.1: triethylamine; sodium periodate / water 5.1: sodium periodate / 30 h / 20 °C 6.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C / Inert atmosphere 6.2: 1 h / 20 °C View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3.1: toluene-4-sulfonic acid / water / 3 h 4.1: triethylamine; sodium periodate / water 5.1: sodium periodate / 30 h / 20 °C 6.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C / Inert atmosphere 6.2: 1 h / 20 °C 7.1: pyridine / 5 h 8.1: triethylamine; dmap / dichloromethane / 3 h / 20 °C / Inert atmosphere View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3.1: toluene-4-sulfonic acid / water / 3 h 4.1: triethylamine; sodium periodate / water 5.1: sodium periodate / 30 h / 20 °C 6.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C / Inert atmosphere 6.2: 1 h / 20 °C 7.1: lithium; ammonia / tetrahydrofuran / 0.5 h / -70 - -50 °C / Inert atmosphere 8.1: triethylamine; dmap / dichloromethane / 3 h / 20 °C / Inert atmosphere View Scheme |
24-epibrassinolide
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3.1: toluene-4-sulfonic acid / water / 3 h 4.1: triethylamine; sodium periodate / water 5.1: sodium periodate / 30 h / 20 °C 6.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C / Inert atmosphere 6.2: 1 h / 20 °C 7.1: pyridine / 5 h 8.1: triethylamine; dmap / dichloromethane / 3 h / 20 °C / Inert atmosphere 9.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 9.2: 36 h / -78 - 20 °C 9.3: 2 h View Scheme | |
Multi-step reaction with 9 steps 1.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 0.67 h / -78 °C / Inert atmosphere 2.1: tetrahydrofuran / 1 h / 20 °C / Inert atmosphere 3.1: toluene-4-sulfonic acid / water / 3 h 4.1: triethylamine; sodium periodate / water 5.1: sodium periodate / 30 h / 20 °C 6.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -78 °C / Inert atmosphere 6.2: 1 h / 20 °C 7.1: lithium; ammonia / tetrahydrofuran / 0.5 h / -70 - -50 °C / Inert atmosphere 8.1: triethylamine; dmap / dichloromethane / 3 h / 20 °C / Inert atmosphere 9.1: lithium diisopropyl amide / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere 9.2: 36 h / -78 - 20 °C 9.3: 2 h View Scheme |
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