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
Cas:644-76-8
Min.Order:1 Kilogram
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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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
Cas:644-76-8
Min.Order:1 Gram
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inquiryTIANFUCHEM--644-76-8--High purity 1,6-ANHYDRO-BETA-D-GALACTOPYRANOSE factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had establi
Cas:644-76-8
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
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
Cas:644-76-8
Min.Order:1 Kilogram
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inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:644-76-8
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inquiryName 1,6-Anhydro-beta-D-Galactopyranose Synonyms 1,6-anhydro-β-D-galactopyranose; 1,6-Anhydro-D-Galactose; 6,8-Dioxa-bicyclo[3.2.1]octane-2,3,4-triol;.beta-D-Galactopyranose, 1,6-anhydro-;1,6-Anhydro-b-D-galactose;D-GALAC
1.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:644-76-8
Min.Order:1 Kilogram
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inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:644-76-8
Min.Order:100 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiry1,6-ANHYDRO-BETA-D-GALACTOPYRANOSE CAS:644-76-8 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
Cas:644-76-8
Min.Order:1 Gram
Negotiable
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:644-76-8
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:644-76-8
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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
Cas:644-76-8
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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:644-76-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry1,6-anhydro-B-D-galactopyranoseAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:644-76-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:644-76-8
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:644-76-8
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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
Cas:644-76-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
1,6-Anhydro-beta-D-galactose cas 644-76-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:644-76-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:644-76-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryD-Galactose
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With 2-chloro-1,3-dimethylimidazolinium chloride; triethylamine In water at 0℃; for 0.25h; | 99% |
phenyl-2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With sodium hydroxide for 120h; Heating; | 95% |
With sodium hydroxide In water for 120h; Heating; | 95% |
Pentachlorophenyl 2,3,4,6-tetra-O-acetyl-β-D-galactose
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With potassium hydroxide for 1h; Heating; | 75% |
1,6-anhydro-2,3,4-tri-O-benzyl-β-D-galactopyranose
A
1,6-anhydro-3-O-benzoyl-2-O-benzyl-β-D-galactopyranose
B
1,6-anhydro-3-O-benzoyl-β-D-galactopyranose
C
1,6-anhydro-3,4-di-O-benzyl-β-D-galactopyranose
D
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
palladium on activated charcoal In isopropyl alcohol for 5h; Heating; further O-benzyl protecting 1,6-anhydrohexoses, various reaction time; | A n/a B 70% C 40% D n/a |
1,6-anhydro-2,3,4-tri-O-benzyl-β-D-galactopyranose
A
1,6-anhydro-3-O-benzoyl-β-D-galactopyranose
B
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
palladium on activated charcoal In isopropyl alcohol for 5h; Heating; | A 70% B n/a |
With isopropyl alcohol; palladium on activated charcoal for 5h; Heating; | A 70% B n/a |
1,6-anhydro-2,3,4-tri-O-acetyl-β-D-galactopyranose
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With ammonium hydroxide In methanol for 15h; Ambient temperature; | 59% |
With sodium methylate |
3-(β-D-galactopyranosyloxy)-2-furanyl methyl ketone
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With pyrrolidine; triethylamine In ethanol at 79 - 80℃; for 24h; | 41% |
Conditions | Yield |
---|---|
at 360℃; under 0.1 Torr; |
D-Galactose
A
1,6-anhydro-β-D-galactopyranose
B
1,6-Anhydro-α-D-galactofuranose
Conditions | Yield |
---|---|
under 15 Torr; | |
With sulfuric acid | |
at 265 - 375℃; under 2 Torr; α-D-Galactopyranose; |
Conditions | Yield |
---|---|
at 360℃; under 0.1 Torr; β-D-Galactopyranose; |
trimethyl-(tetra-O-acetyl-β-D-galactopyranosyl)-ammonium; bromide
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With barium dihydroxide; water |
Conditions | Yield |
---|---|
With barium dihydroxide; water |
1,6-anhydro-3,4-O-isopropylidene-β-D-galactopyranose
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With potassium hydroxide |
Conditions | Yield |
---|---|
under 15 Torr; Erhitzen; |
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With potassium phenolate; phenol Erwaermen des Reaktionsprodukts mit wss. Kalilauge; | |
Multi-step reaction with 2 steps 1: 85 percent / acetone / 2 h / Heating 2: 75 percent / aq. KOH / 1 h / Heating View Scheme |
2-O-(benzoyl)-1,6-anhydro-3,4-dideoxy-β-D-erythro-hex-3-enopyranose
A
1,6-anhydro-β-D-galactopyranose
B
1,6-anhydro-β-D-glucopyranoside
Conditions | Yield |
---|---|
With ammonium hydroxide; osmium(VIII) oxide; 4-methylmorpholine N-oxide 1.) acetone, H2O, RT, 20 h, 2.) CH3OH, RT, overnight; var. 2-O-acyl protected 1,6-anhydro-3,4-dideoxy-β-D-erythro-hex-3-enopyranoses; |
1,6-anhydro-β-D-galactopyranose
A
1,6-anhydro-3-O-butanoyl-β-D-galactopyranose
B
1,6-anhydro-4-O-butanoyl-β-D-galactopyranose
C
1,6-anhydro-3,4-di-O-butanoyl-β-D-galactopyranose
D
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With enzymes from C. cylindracea; Pancreas Product distribution; different times; |
1,6-anhydro-3,4-O-<5-(hydroxymethyl)-2-furfurylidene>-β-D-galactopyranose
(2,4-dinitro-phenyl)-hydrazine
A
1,6-anhydro-β-D-galactopyranose
B
5-(hydroxymetyl)-2-furaldehyde 2,4-dinitrophenylhydrazone
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 0.5h; Ambient temperature; |
(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-phenoxytetrahydro-2H-pyran-3,4,5-triyl triacetate
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; |
sodium methylate
A
1,6-anhydro-β-D-galactopyranose
B
methyl beta-D-galactopyranoside
C
methyl α-D-galactopyranoside
Conditions | Yield |
---|---|
In pyridine; methanol at 80℃; for 2.5h; |
A
1,6-anhydro-β-D-galactopyranose
B
methyl beta-D-galactopyranoside
C
methyl α-D-galactopyranoside
Conditions | Yield |
---|---|
With sodium methylate In pyridine; methanol at 80℃; for 2.5h; |
D-Galactose
sulfuric acid
A
1,6-anhydro-β-D-galactopyranose
B
1,6-Anhydro-α-D-galactofuranose
water
trimethyl-(tetra-O-acetyl-β-D-galactopyranosyl)-ammonium; bromide
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: p-TsOH / 1.5 h / 90 °C / 15 Torr 2: 95 percent / NaOH / H2O / 120 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 77 percent / p-toluenesulfonic acid / 1.5 h / 95 °C / 15 Torr 2: 95 percent / aq. NaOH / 120 h / Heating View Scheme |
2,3,4,6-tetra-O-acetyl-α/β-D-galactopyranose
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine 2: MeONa / methanol; pyridine / 2.5 h / 80 °C View Scheme |
penta-O-acetyl-α-D-galactopyranose
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent 2: aqueous sodium hydroxide / 100 °C View Scheme |
2,3,4,6-tetra-O-acetyl-β-galactopyranosyl fluoride
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium methylate; methanol 2: barium hydroxide; water View Scheme |
Conditions | Yield |
---|---|
With phenyltrimethylammonium tribromide; potassium carbonate In tetrahydrofuran; methanol at 20℃; for 4h; Solvent; regioselective reaction; | 99% |
With p-benzoquinone In [D3]acetonitrile at 50℃; for 1h; Solvent; chemoselective reaction; | 80 %Spectr. |
Conditions | Yield |
---|---|
With (2R,4S)-3-((R)-cyclopentyl(1-methyl-1H-imidazol-2-yl)methyl)-4-isopropyl-2-methoxyoxazolidine; N,N-diisopropylethylamine hydrochloride; N-ethyl-N,N-diisopropylamine for 4h; regioselective reaction; | 98% |
1,6-anhydro-β-D-galactopyranose
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
1,6-anhydro-4-O-(2’,3’,4’,6’-tetra-O-acetyl-β-D-glucopyranosyl)-β-D-galactopyranoside
Conditions | Yield |
---|---|
Stage #1: 1,6-anhydro-β-D-galactopyranose 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; Koenigs-Knorr Glycosidation; stereoselective reaction; | 96% |
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 60℃; for 16h; Koenigs-Knorr synthesis; Inert atmosphere; regioselective reaction; | 73% |
1,6-anhydro-β-D-galactopyranose
orthoformic acid triethyl ester
1,6-anhydro-β-D-galactopyranose 3,4-ethoxyacetal
Conditions | Yield |
---|---|
With sulfonic acid In N,N-dimethyl-formamide for 12h; Ambient temperature; | 95% |
1,6-anhydro-β-D-galactopyranose
2,2-dimethoxy-propane
1,6-anhydro-3,4-O-isopropylidene-β-D-galactopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide for 1h; Ambient temperature; | 95% |
With toluene-4-sulfonic acid In acetone for 16h; Ambient temperature; | 79% |
With toluene-4-sulfonic acid In acetone ketalization; |
acetic anhydride
1,6-anhydro-β-D-galactopyranose
D-galactose pentaacetate
Conditions | Yield |
---|---|
scandium tris(trifluoromethanesulfonate) at 20℃; for 5h; | 95% |
benzoyl chloride
1,6-anhydro-β-D-galactopyranose
1,6-Anhydro-2,3,4-tri-O-benzoyl-β-D-galactopyranose
Conditions | Yield |
---|---|
With pyridine | 94% |
With pyridine |
benzyl bromide
1,6-anhydro-β-D-galactopyranose
1,6-anhydro-4-O-benzyl-β-D-galactopyranoside
Conditions | Yield |
---|---|
With 3 A molecular sieve; bis(tri-n-butyltin)oxide; 1-methyl-1H-imidazole; tetra-(n-butyl)ammonium iodide In toluene 1.) reflux, 15 h; 2.) 1.5 h; | 93% |
1,6-anhydro-β-D-galactopyranose
acetyl chloride
4-O-acetyl-1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With (2R,4S)-3-((R)-cyclopentyl(1-methyl-1H-imidazol-2-yl)methyl)-4-isopropyl-2-methoxyoxazolidine; N,N-diisopropylethylamine hydrochloride; N-ethyl-N,N-diisopropylamine for 4h; regioselective reaction; | 93% |
Conditions | Yield |
---|---|
With (2R,4S)-3-((R)-cyclopentyl(1-methyl-1H-imidazol-2-yl)methyl)-4-isopropyl-2-methoxyoxazolidine; N,N-diisopropylethylamine hydrochloride; N-ethyl-N,N-diisopropylamine for 4h; regioselective reaction; | 88% |
benzyl bromide
1,6-anhydro-β-D-galactopyranose
A
1,6-anhydro-3-O-benzyl-β-D-galactopyranoside
B
1,6-anhydro-4-O-benzyl-β-D-galactopyranoside
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; di(n-butyl)tin oxide; N-ethyl-N,N-diisopropylamine In neat (no solvent) at 70℃; for 3.5h; regioselective reaction; | A 10% B 87% |
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | A n/a B 73% |
With 3 A molecular sieve; bis(tri-n-butyltin)oxide; 1-methyl-1H-imidazole In toluene Product distribution; effect of the other catalyst (tetrabutylammonium halide) and reaction time; | |
With 3 A molecular sieve; bis(tri-n-butyltin)oxide; 1-methyl-1H-imidazole; tetrabutylammomium bromide In toluene 1.) reflux, 15 h; 2.) 7 h; | A 20 % Chromat. B 80 % Chromat. |
tert-butyldimethylsilane
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With [Ir(COD)(PPh3)2]SbF6 In N,N-dimethyl acetamide at 70℃; | A 87% B 4% C 6% |
Conditions | Yield |
---|---|
With 4-nitrophenylboronic acid In acetonitrile at 0℃; for 2h; Temperature; Inert atmosphere; | A 87% B 10% |
p-Anisaldehyde dimethyl acetal
1,6-anhydro-β-D-galactopyranose
1,6-anhydro-endo-3,4-O-(4-methoxybenzylidene)-β-D-galactopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 25℃; for 3h; | 86% |
1,6-anhydro-β-D-galactopyranose
p-toluenesulfonyl chloride
1,6-anhydro-3-O-(4-toluenesulfonyl)-β-D-galactopyranoside
Conditions | Yield |
---|---|
With 1-methyl-1H-imidazole; 2-((R)-quinolin-4-yl((1S,2R,4S,5R)-5-vinylquinuclidin-2-yl)methyl)-2,3-dihydro-1H-benzo[c][1,2]azaborol-1-ol; sodium carbonate In acetonitrile at 20℃; for 48h; regioselective reaction; | 84% |
With 2-Aminoethoxydiphenylborane; N-ethyl-N,N-diisopropylamine In acetonitrile at 23℃; for 48h; Inert atmosphere; regioselective reaction; | 83% |
1,6-anhydro-β-D-galactopyranose
4-Methoxybenzaldehyde dipent-4-enyl acetal
Conditions | Yield |
---|---|
With N-Bromosuccinimide; camphor-10-sulfonic acid In acetonitrile for 0.25h; Ambient temperature; | 82% |
1,6-anhydro-β-D-galactopyranose
4-Methoxybenzaldehyde dipent-4-enyl acetal
Conditions | Yield |
---|---|
With N-Bromosuccinimide; camphor-10-sulfonic acid In acetonitrile for 0.25h; Ambient temperature; | 82% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran | 81% |
benzaldehyde
1,6-anhydro-β-D-galactopyranose
1,6-anhydro-3,4-O-(S)-benzylidene-β-D-galactopyranose
Conditions | Yield |
---|---|
With zinc(II) chloride | 78% |
1,6-anhydro-β-D-galactopyranose
2-bromomethylnaphthyl bromide
A
1,6-anhydro-4-O-(2-naphthyl)methyl-β-D-galactopyranoside
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | A 74% B n/a |
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With (S-2-butenyl)tetramethylenesulfonium hexafluoroantimonate In various solvent(s) at 150℃; for 0.666667h; | 63.1% |
Benzyloxymethyl chloride
1,6-anhydro-β-D-galactopyranose
A
1,6-anhydro-4-O-benzyloxymethyl-β-D-galactopyranoside
Conditions | Yield |
---|---|
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 40℃; for 48h; Inert atmosphere; regioselective reaction; | A 63% B n/a |
tert-butyldimethylsilane
1,6-anhydro-β-D-galactopyranose
Conditions | Yield |
---|---|
With [Rh(COD)(PPh3)2]SbF6 In N,N-dimethyl acetamide at 70℃; | A 62% B 22% C 3% D 6% |
benzaldehyde dimethyl acetal
1,6-anhydro-β-D-galactopyranose
1,6-anhydro-endo-3,4-O-benzylidene-β-D-galactopyranose
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide | 58% |
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