Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
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inquiryAs 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 to light yellow powder Conforms Identification H-NMR
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inquiryUnique advantages of 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide Cas 572-09-8 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:Cool dry place Pa
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inquiry1. 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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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
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inquiryName:2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide CAS NO:572-09-8 Grade:Medical scientific research and export Molecular formula:C8H13BrO7 Molecular weight:301.0886 Product Quality 12 years of chemical raw materials Mature operatio
Cas:572-09-8
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inquiryProduct Name: 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide Synonyms: acetobromo-a-d-glucose;alpha-d-glucopyranosylbromide,tetraacetate;α-D-Glucopyranosylbromide,tetraacetate;TETRA-O-ACETYL-A-D-GLUCOPYRANOSYL BROMIDE;TETR
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inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent
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inquiryEnglish name: 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide CAS Number: 572-09-8 Molecular formula: C14H19BrO9 Molecular weight: 411.2 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum A
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Cas:572-09-8
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inquiry2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide Basic information Product Name: 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide Synonyms: BROMO-2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GLUCOPYRANOSE;BROMO 2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GLUCOP
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inquiry2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide CAS:572-09-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializi
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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
Cas:572-09-8
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inquiryAbout Product Details 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide Basic information
Cas:572-09-8
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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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Cas:572-09-8
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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
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inquiryWhy 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
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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:572-09-8
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inquirySuperior quality Appearance:White Fluffy Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation
Cas:572-09-8
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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:572-09-8
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inquiryProduct name: 2,3,4,6-Tetra-O-Acetyl-Alpha-D-Glucopyranosyl Bromide CAS No.:572-09-8 Molecule Formula:C14H19BrO9 Molecule Weight:411.19 Purity: 99% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard
Cas:572-09-8
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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
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inquiryConditions | Yield |
---|---|
With hydrogen bromide In dichloromethane Ambient temperature; | 100% |
With hydrogen bromide; acetic acid at 20℃; for 4h; | 100% |
With hydrogen bromide at 20℃; for 1.16667h; | 100% |
D-glucose pentaacetate
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 20℃; Product distribution / selectivity; | 100% |
With hydrogen bromide; acetic acid at 20℃; for 2h; | 100% |
With hydrogen bromide; acetic acid In dichloromethane at 20℃; for 3h; | 100% |
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid | 100% |
Stage #1: α-D-glucopyranose peracetylate With hydrogen bromide; acetic acid Stage #2: at 0 - 20℃; for 2h; | 98% |
With acetic anhydride; phosphorus tribromide In water at 0℃; for 1h; | 95% |
alpha-D-glucopyranose
Acetyl bromide
acetic anhydride
acetic acid
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With perchloric acid In methanol at 20℃; for 2h; | 99% |
p-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With Acetyl bromide; zinc dibromide In dichloromethane at 22℃; for 24h; | 97% |
2,3,4,5-tetra-O-acetyl-D-glucopyranose
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid In dichloromethane at 0℃; for 8h; | 96% |
With pyridine; (PhO)3P*Br2 In dichloromethane for 0.0833333h; | 89% |
With hydrogen bromide; acetic anhydride In dichloromethane at 20℃; for 4h; | 85% |
D-Glucose
acetic anhydride
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
Stage #1: D-Glucose With Acetyl bromide In methanol Stage #2: acetic anhydride With acetic acid | 95% |
Stage #1: D-Glucose; acetic anhydride With perchloric acid; acetic acid at 20℃; for 0.5h; Stage #2: With Acetyl bromide In methanol for 2h; | 90% |
Stage #1: D-Glucose; acetic anhydride With sodium acetate at 100℃; for 5h; Stage #2: With hydrogen bromide; acetic acid In dichloromethane at 20℃; for 6h; | 90% |
alpha-D-glucopyranose
acetic anhydride
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
Stage #1: alpha-D-glucopyranose; acetic anhydride With perchloric acid at 30 - 40℃; for 1h; Stage #2: With phosphorus; bromine at 20℃; Cooling with ice; Stage #3: With water at 20℃; for 3.16667h; | 90% |
With hydrogen bromide; acetic acid at 20℃; for 11h; | 89% |
With hydrogen bromide; acetic acid at 20℃; for 11h; | 85.88% |
Penta-O-acetyl-aldehydo-D-glucose
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide In dichloromethane; acetic acid at 20℃; for 6h; | 86% |
With hydrogen bromide In acetic acid |
4-methoxyphenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-glucopyranoside
A
2,3,6,2',3',4',6'-hepta-O-acetyl-lactosyl bromide
B
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
C
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
Conditions | Yield |
---|---|
With Acetyl bromide; zinc dibromide In dichloromethane at 22℃; Yields of byproduct given; | A 82% B n/a C n/a |
ethyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl disulfide
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With 4 A molecular sieve; iodine(I) bromide In dichloromethane at 20℃; | 82% |
With iodine(I) bromide In dichloromethane at 20℃; for 0.5h; | 82% |
1-deoxy-1-[(R/S)-(phenyl)sulfinyl]-2,3,4,6-tetra-O-acetyl-β-D-glucopyranose
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With N-Bromosuccinimide In tetrachloromethane Irradiation; | 78% |
With N-Bromosuccinimide In tetrachloromethane Product distribution; Irradiation; other glucopyranoside, other reagent, other solvent; |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With copper(ll) bromide In dichloromethane at 20℃; Molecular sieve; Inert atmosphere; | 78% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With iodine(I) bromide In dichloromethane; toluene at 20℃; for 1h; Molecular sieve; Inert atmosphere; | 78% |
2,3,4,5-tetra-O-acetyl-D-glucopyranose
1-bromo-N,N,2-trimethyl-1-propen-1-amine
A
N,N,2-trimethylpropionamide
B
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
In chloroform for 6h; Product distribution; Ambient temperature; | A n/a B 77% |
Acetic acid (2R,3R,4S,5R,6S)-3,5-diacetoxy-2-acetoxymethyl-6-methoxy-tetrahydro-pyran-4-yl ester
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With acyl bromide; zinc dibromide In dichloromethane for 12h; Heating; | 75% |
With trimethylsilyl bromide; zinc dibromide In dichloromethane for 24h; Ambient temperature; | 47% |
methyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With acyl bromide; zinc dibromide In dichloromethane for 12h; Heating; | 71% |
1-deoxy-1-[(R/S)-(phenyl)sulfinyl]-2,3,4,6-tetra-O-acetyl-β-D-glucopyranose
A
2,3,4,5-tetra-O-acetyl-D-glucopyranose
B
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With Bromotrichloromethane In tetrachloromethane Irradiation; | A 30% B 65% |
D-Glucose
Acetyl bromide
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
Stage #1: D-Glucose With perchloric acid; acetic anhydride at 30 - 40℃; for 0.5h; Stage #2: Acetyl bromide With water at 20℃; for 2h; | 57.5% |
With aluminum oxide In acetonitrile at 20℃; for 4h; | 20% |
In acetic acid for 2h; Ambient temperature; | |
With sulfuric acid |
n-hexyl caproate
β-D-glucose pentaacetate
A
hexanoic acid
B
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With bromine at 20℃; Irradiation; Green chemistry; | A n/a B 57% |
n-decyl acetate
β-D-glucose pentaacetate
A
1-bromo dodecane
B
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With bromine at 20℃; Irradiation; Green chemistry; | A n/a B 57% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 20℃; for 2h; | 53% |
β-D-glucose pentaacetate
A
1,3,4,6-tetra-O-acetyl 2-bromo-2-deoxy-α-D-glucopyranose
B
2,3,4,5-tetra-O-acetyl-D-glucopyranose
C
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With bromine In 2,2,4-trimethylpentane; dichloromethane at 20℃; for 7h; Irradiation; Green chemistry; | A 7% B 15% C 22% |
2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-1-C-sulfonamide
C
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With bromine; potassium carbonate In α,α,α-trifluorotoluene for 4h; Reflux; Heat lamp; | A 12% B 12% C 19% |
β-D-glucose pentaacetate
A
1,2,3,4,6-Penta-O-acetyl-5-bromo-β-D-glucopyranose
B
2,3,4,6-tetra-O-acetyl-1-bromo-D-glucopyranosyl bromide
C
2,3,4,6-tetra-O-acetyl-5-bromo-β-D-glucopyranosyl bromide
D
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With bromine In tetrachloromethane for 3h; Heating; Irradiation; | A n/a B n/a C 13% D 0.06 g |
With bromine In tetrachloromethane for 3h; Heating; Irradiation; Yield given; | A n/a B n/a C 13% D 0.06 g |
With bromine In tetrachloromethane for 3h; Heating; Irradiation; Yields of byproduct given; | A n/a B n/a C 13% D 0.06 g |
β-D-glucose pentaacetate
A
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
B
α-D-glucopyranose peracetylate
Conditions | Yield |
---|---|
With bromine In ethyl acetate at 20℃; for 19h; Irradiation; Darkness; Green chemistry; | A 8% B n/a |
Conditions | Yield |
---|---|
With Acetyl bromide; acetic acid | |
Multi-step reaction with 2 steps 1.1: pyridine / 1 h / 0 - 20 °C / Inert atmosphere 1.2: 6 h / 20 °C / Inert atmosphere 2.1: hydrogen bromide; acetic acid / dichloromethane / 1 h / Cooling with ice View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / 6 h / 0 °C 2: acetic acid; hydrogen bromide / dichloromethane / 2 h View Scheme |
D-glucose
acetic anhydride
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With perchloric acid anschl. mit Phosphor, Brom und H2O; | |
With pyridine; hydrogen bromide; acetic acid Yield given; Multistep reaction; | |
Stage #1: D-glucose; acetic anhydride With iodine at 20℃; for 1h; Stage #2: With hydrogen bromide; acetic acid | |
Stage #1: D-glucose; acetic anhydride With perchloric acid In water at 40℃; for 1h; Stage #2: With phosphorus; bromine In water at 0 - 20℃; for 4h; |
sodium chloride * 2 d-glucose * H2O
acetic anhydride
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With sulfuric acid anschl. Behandeln des von der gebildeten Essigsaeure befreiten Rktprod. mit HBr; |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
1-azido-1-deoxy-β-D-glucopyranoside tetraacetate
Conditions | Yield |
---|---|
With tetramethylguanidinum azide In nitromethane at 25℃; for 2.5h; | 100% |
With sodium azide In N,N-dimethyl-formamide for 48h; Inert atmosphere; | 100% |
With N,N,N',N'-tetramethylguanidinium azide In dichloromethane for 2h; Ambient temperature; other glycosyl halides; | 99% |
lead(II) thiocyanate
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate
Conditions | Yield |
---|---|
In benzene for 6h; Heating; | 100% |
In 5,5-dimethyl-1,3-cyclohexadiene at 130 - 140℃; for 0.416667h; Microwave irradiation; | 89.66% |
In toluene for 4h; Reflux; | 89% |
thiourea
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiouronium bromide
Conditions | Yield |
---|---|
In acetone at 60℃; Inert atmosphere; Reflux; | 100% |
In acetone for 0.5h; Heating; | 95% |
In acetone for 0.05h; microwave irradiation; | 90% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
3,4,6-tri-O-acetyl-1,2-O-vinylidene-α-D-glucopyranose
Conditions | Yield |
---|---|
With silver perchlorate; N-ethyl-N,N-diisopropylamine In benzene at 20℃; for 1h; Molecular sieve; Inert atmosphere; Darkness; | 100% |
With N-ethyl-N,N-diisopropylamine; silver(l) oxide In benzene for 6h; Heating; |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-undecanoic acid (4-mercapto-phenyl)-methyl-amide
Conditions | Yield |
---|---|
With sodium carbonate In water; ethyl acetate at 20℃; for 2h; | 100% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydroxide; phase transfer catalyst In dichloromethane at 20℃; for 0.5h; | 100% |
2-Nitrobenzyl alcohol
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2-nitrobenzyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
Conditions | Yield |
---|---|
With iodine; silver carbonate In dichloromethane at 20℃; for 16h; Molecular sieve; Inert atmosphere; | 100% |
With iodine; 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile for 4h; Molecular sieve; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃; | 100% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2,3,4,5-tetra-O-acetyl-D-glucopyranose
Conditions | Yield |
---|---|
With water; silver carbonate In acetone for 0.5h; | 99% |
With N-methylacridinium iodide; sodium cyanoborohydride In N,N-dimethyl-formamide for 1h; Reagent/catalyst; Solvent; UV-irradiation; | 55.8% |
With acetone; silver carbonate |
ursolic acid
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl 3β-hydroxyurs-12-en-28-oate
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In dichloromethane; water for 8h; Heating; | 99% |
With Aliquat 336; potassium carbonate In dichloromethane; water for 48h; Ambient temperature; | 95% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 90% |
benzoic acid
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
O2,O3,O4,O6-Tetraacetyl-O1-benzoyl-β-D-glucopyranose
Conditions | Yield |
---|---|
With tetraethylammonium bromide; potassium carbonate In dichloromethane at 20℃; Reagent/catalyst; Molecular sieve; | 99% |
With N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 24h; Molecular sieve; Inert atmosphere; | 84% |
With Amberlyst A-26 hydroxide form 1.) hexane, 2.) benzene, reflux, 12 h; | 65% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide; potassium carbonate In dichloromethane at 20℃; Molecular sieve; | 99% |
With Aliquat 336; potassium carbonate In dichloromethane; water Ambient temperature; | 96% |
sodium N,N-diethyldithiocarbamate
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
In acetone for 1h; Reflux; | 99% |
In acetonitrile at 25℃; for 1h; | 63% |
2-thioxo-3H-1,3-benzothiazole
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosylmercapto)1,3-benzothiazole
Conditions | Yield |
---|---|
With potassium hydroxide In acetonitrile at 20℃; for 1h; | 99% |
4-(pyridin-2'-yl)thiazole-2(3H)-thione sodium salt
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
4-(pyridine-2-yl)-thiazole-2-yl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-glucopyranoside
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 8h; Inert atmosphere; | 99% |
6-O-tert-butyldimethylsilanyl-1-O-methyl-α-D-mannopyranoside
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
methyl 6-O-tert-butyldimethylsilyl-3-O-(2′,3′,4′,6′-tetra-O-acetyl-β-D-glucopyranosyl)-α-D-mannopyranoside
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 23℃; for 16h; Kinetics; Mechanism; Concentration; Reagent/catalyst; Koenigs-Knorr synthesis; Inert atmosphere; regioselective reaction; | 99% |
With [2-(1-methyl-1H-imidazol-2-yl)phenyl]boronic acid; silver(l) oxide In acetonitrile at 30℃; for 24h; Reagent/catalyst; Koenigs-Knorr Glycosidation; Inert atmosphere; regioselective reaction; | 98% |
6-O-tert-butyldimethylsilanyl-1-O-methyl-α-D-galactopyranoside
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
methyl 6-O-tert-butyldimethylsilyl-3-O-(2’,3’,4’,6’-tetra-O-acetyl-β-D-glucopyranosyl)-α-D-galactopyranoside
Conditions | Yield |
---|---|
With [2-(1-methyl-1H-imidazol-2-yl)phenyl]boronic acid; silver(l) oxide In acetonitrile at 30℃; for 24h; Koenigs-Knorr Glycosidation; Inert atmosphere; regioselective reaction; | 99% |
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 23℃; for 16h; Koenigs-Knorr synthesis; Inert atmosphere; regioselective reaction; | 74% |
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 23℃; for 16h; Reagent/catalyst; regioselective reaction; | 74% |
(2R,3S,4S,5S,6S)-2-(hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triol
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
Stage #1: (2R,3S,4S,5S,6S)-2-(hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triol With diphenyltin(IV) dichloride In acetonitrile at 20℃; for 0.166667h; Stage #2: 2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide With 5,5'-dimethyl-2,2'-bipyridine; silver(l) oxide In acetonitrile at 20 - 35℃; for 24h; Reagent/catalyst; Koenigs-Knorr Glycosidation; stereoselective reaction; | 99% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide; potassium carbonate In dichloromethane at 20℃; Molecular sieve; | 99% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide; potassium carbonate In dichloromethane at 20℃; Molecular sieve; | 99% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide; potassium carbonate In dichloromethane at 20℃; Molecular sieve; | 99% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
potassium thioacetate
O2,O3,O4,O6,S-Pentaacetyl-1-thio-β-D-glucopyranose
Conditions | Yield |
---|---|
for 2h; Neat (no solvent); Ball milling; | 98% |
In acetone at 20℃; for 8h; | 88% |
In acetone at 20℃; | 86% |
allyl alcohol
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Acetic acid (2R,3R,4S,5R,6R)-3,5-diacetoxy-2-acetoxymethyl-6-allyloxy-tetrahydro-pyran-4-yl ester
Conditions | Yield |
---|---|
With copper(II) sulfate; mercury dibromide; mercury(II) oxide In chloroform at 0 - 20℃; for 10h; | 98% |
With indium(III) chloride; 4 A molecular sieve In dichloromethane at 0 - 3℃; for 72h; | 86% |
With metal carbonates In neat (no solvent) for 2.5h; Milling; | 82% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
1-deoxy-D-glucose tetraacetate
Conditions | Yield |
---|---|
With -butyl vinyl ether | 98% |
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In benzene at 80℃; for 1h; | 97% |
With 2,2'-azobis(isobutyronitrile); phenylsilane for 1.16667h; Heating; | 90% |
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
2-(acetoxymethyl)-6-fluorotetrahydro-2H-pyran-3,4,5-triyl triacetate
Conditions | Yield |
---|---|
With silver fluoride In acetonitrile at 20℃; Inert atmosphere; Darkness; | 98% |
With triethylamine tris(hydrogen fluoride) In tetrachloromethane for 2h; Heating; | 83% |
With (trifluoromethyl)zinc chloride; 3 A molecular sieve In dichloromethane for 12h; Ambient temperature; | 83% |
With potassium hydrogen bifluoride In acetonitrile for 24h; Heating; | 70% |
With silver fluoride; acetonitrile |
1,2:3,4-di-O-isopropylidene-α-D-galactopyranose
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
3,4,6-Tri-O-acetyl-1,2-O-<1-(exo-1,2:3,4-di-O-isopropylidene-α-D-galacatopyranose-6-yl)ethylidene>-α-D-glucopyranose
Conditions | Yield |
---|---|
With silver imidazolate; mercury dichloride In dichloromethane for 24h; 3 Angstroem molecular sieves; | 98% |
With 4 A molecular sieve; tetrabutylammomium bromide; N-ethyl-N,N-diisopropylamine In dichloromethane at 40℃; under 6000480 Torr; for 20h; Yield given; |
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