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Dayang Chem (Hangzhou) Co.,Ltd.

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

beta-D-Galactose pentaacetate Manufacturer/High quality/Best price/In stock

Cas:4163-60-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White or almost white powder White powder Identification Po

High purity Beta-D-Galactose pentaacetate with high quality and best price cas:4163-60-4

Cas:4163-60-4

Min.Order:1 Kilogram

FOB Price: $60.0 / 120.0

Type:Manufacturers

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Simagchem Corporation

Welcome 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

High quality Β-D-Galactose Pentaacetate supplier in China

Cas:4163-60-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

High purity Beta-D-Galactose pentaacetate CAS 4163-60-4 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food

High purity Beta-D-Galactose pentaacetate CAS 4163-60-4 with factory price

Cas:4163-60-4

Min.Order:1 Gram

FOB Price: $10.0

Type:Trading Company

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EAST CHEMSOURCES LIMITED

β-D-Galactose Pentaacetate Molecular Formular: C16H22O11 Molecular weight: 390.34 CAS No.: 4163-60-4 EC No.: 224-008-0 Item Specification Appearance White

β-D-Galactose Pentaacetate

Cas:4163-60-4

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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Ality Chemical Corporation

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

Factory Supply Β-D-Galactose Pentaacetate

Cas:4163-60-4

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

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

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

β-D-Galactose Pentaacetate

Cas:4163-60-4

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our 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

β-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our 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

4163-60-4 beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Competitve Price in stockCAS 4163-60-4 with fast shipping

Cas:4163-60-4

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

English name: beta-D-Galactose pentaacetate CAS: 4163-60-4 Molecular formula: C16H22O11 Molecular weight: 390.34 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:API Transport

beta-D-Galactose pentaacetate CAS:4163-60-4

Cas:4163-60-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

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

b-D-Galactopyranose,1,2,3,4,6-pentaacetate 4163-60-4

Cas:4163-60-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We 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

Baoji Guokang Healthchem co.,ltd

Our 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

Pharmaceutical Intermediate, beta-D-Galactose pentaacetate CAS:4163-60-4

Cas:4163-60-4

Min.Order:1 Kilogram

FOB Price: $79.5 / 84.6

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

beta-D-Galactose pentaacetate CAS:4163-60-4 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 orga

beta-D-Galactose pentaacetate CAS:4163-60-4

Cas:4163-60-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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 NO.:4163-60-4

Cas:4163-60-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Manufacturer factory sales BETA-D-GALACTOSE PENTAACETATE CAS 4163-60-4

Cas:4163-60-4

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best 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

1,2,3,4,6-Penta-O-Acetyl-B-D-Galacto-Pyranose

Cas:4163-60-4

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Beta-D-galactose pentaacetate

Cas:4163-60-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality moderate price & quick delivery Appearance:white fine crystalline powder 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:Us

b-D-Galactopyranose,1,2,3,4,6-pentaacetate

Cas:4163-60-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

NewCan Biotech Limited

NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

1,2,3,4,6-penta-O-acetyl-b-D-galactopyranose

Cas:4163-60-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

BETA-D-GALACTOSE PENTAACETATE

Cas:4163-60-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why 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

beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:1 Gram

Negotiable

Type:Other

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

High purity Beta-D-Galactose pentaacetate

Cas:4163-60-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Synthetic route

D-Galactose
59-23-4

D-Galactose

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With pyridine; dmap at 20℃; Inert atmosphere;100%
With iodine for 2h; cooling;98.6%
With sodium thiocyanide
β-D-galactopyranoside
7296-64-2

β-D-galactopyranoside

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With sodium acetate at 120℃; for 1h;96%
Stage #1: acetic anhydride With sodium acetate at 100℃; for 0.5h;
Stage #2: β-D-galactopyranoside at 100℃; for 1h;
96%
With pyridine at 20℃; for 24h;95%
D-Galactose
10257-28-0

D-Galactose

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
sulfuric acid at 20℃; for 0.0833333h; sonication;94%
With sodium acetate at 120℃;94%
With sodium acetate for 0.00555556h; microwave irradiation;92%
3,4,6-tri-O-acetyl-1,2-O-(1-ethoxyethylidene)-α-D-galactopyranose
3254-15-7

3,4,6-tri-O-acetyl-1,2-O-(1-ethoxyethylidene)-α-D-galactopyranose

acetic acid
64-19-7

acetic acid

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
for 1h;92.6%
alpha-D-glucopyranose
492-62-6

alpha-D-glucopyranose

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With sodium acetate at 100 - 130℃; under 760.051 Torr; for 4h; Large scale;92.5%
D-Galactose
10257-28-0

D-Galactose

sodium acetate
127-09-3

sodium acetate

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
for 4h; Reflux;92%
for 1h; Heating;81%
for 1h;81%
at 60℃; for 6h;67%
at 100℃; for 0.333333h;38%
[bis(acetoxy)iodo]benzene
3240-34-4

[bis(acetoxy)iodo]benzene

triacetyl-D-galactal
4098-06-0

triacetyl-D-galactal

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -45 - -25℃; for 1h;89%
3,4,6-tri-O-acetyl-1,2-O-(1-methoxyethylidene)-α-D-galactopyranose
50801-29-1

3,4,6-tri-O-acetyl-1,2-O-(1-methoxyethylidene)-α-D-galactopyranose

trimethylsilyl acetate
2754-27-0

trimethylsilyl acetate

A

1,3,4,6-tetra-O-acetyl-2-O-trimethylsilyl-β-D-galactopyranose
130583-14-1

1,3,4,6-tetra-O-acetyl-2-O-trimethylsilyl-β-D-galactopyranose

B

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
at 107℃;A 14%
B 83%
β-D-galactopyranoside
7296-64-2

β-D-galactopyranoside

sodium acetate
127-09-3

sodium acetate

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
at 50 - 90℃; for 2.5h;83%
at 130℃;82%
for 3h; Reflux;53%
D-Glucose
2280-44-6

D-Glucose

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With iodine Reagent/catalyst;70%
Conditions
ConditionsYield
Stage #1: D-Galactose; acetic anhydride With sodium acetate at 100℃; Inert atmosphere;
Stage #2: With dmap at 100℃;
A 60%
B n/a
C n/a
D n/a
With H-Beta zeolite for 8h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With sulfuric acid In acetic acid at 50℃; for 3h; Acetylation; Title compound not separated from byproducts.;
β-D-galactopyranoside
7296-64-2

β-D-galactopyranoside

sodium acetate
127-09-3

sodium acetate

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
In methanol; acetic anhydride at 140℃;52.3%
D-Galactose
10257-28-0

D-Galactose

sodium acetate
127-09-3

sodium acetate

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
In acetic anhydride Reflux;47%
In acetic anhydride at 120℃; for 1.3h;
acetyl chloride
75-36-5

acetyl chloride

2-(trimethylsilyl)ethyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

2-(trimethylsilyl)ethyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

A

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

B

2,3,4,6-tetra-O-acetyl-1S-acetyl-1-thio-β-D-galactopyranose
6806-56-0

2,3,4,6-tetra-O-acetyl-1S-acetyl-1-thio-β-D-galactopyranose

Conditions
ConditionsYield
With silver tetrafluoroborate In dichloromethaneA n/a
B 35%
acetic anhydride
108-24-7

acetic anhydride

2-(β-D-galactopyranosyl)hydrazinecarbothioamide

2-(β-D-galactopyranosyl)hydrazinecarbothioamide

A

N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide
13053-83-3

N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

(-)-5-acetamido-3-N-acetyl-2-(1,2,3,4,5-penta-O-acetyl-D-galacto-pentitol-1-yl)-1,3,4-thiadiazoline
71952-23-3, 72002-46-1, 115510-62-8

(-)-5-acetamido-3-N-acetyl-2-(1,2,3,4,5-penta-O-acetyl-D-galacto-pentitol-1-yl)-1,3,4-thiadiazoline

C

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
for 4h; Product distribution; Cyclization; acetylation; Heating;A n/a
B 26%
C n/a
for 4h; Cyclization; acetylation; Heating;A n/a
B 26%
C n/a
D-Galactose
59-23-4

D-Galactose

acetic anhydride
108-24-7

acetic anhydride

A

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With pyridine
acetic anhydride
108-24-7

acetic anhydride

O-(2,3,4-Tri-O-acetyl-β-D-galactopyranosiduronamid)-(1-4)-2-acetamido-1,3-di-O-acetyl-2,6-didesoxy-α-D-glucopyranose

O-(2,3,4-Tri-O-acetyl-β-D-galactopyranosiduronamid)-(1-4)-2-acetamido-1,3-di-O-acetyl-2,6-didesoxy-α-D-glucopyranose

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
Multistep reaction;
D-Galactose
10257-28-0

D-Galactose

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In toluene for 2h; Ambient temperature; Yield given. Yields of byproduct given;
With boron trifluoride diethyl etherate In toluene at 22℃; for 2h; Yield given. Yields of byproduct given;
With boron trifluoride diethyl etherate In toluene at 22℃; for 2h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
Conditions
ConditionsYield
With iron(III) chloride at 60℃; for 3h; Title compound not separated from byproducts;A 13.6 % Chromat.
B n/a
C n/a
D 58.8 % Chromat.
2,3,4,6-tetra-O-acetyl-β-D-galactopyranose
70191-05-8

2,3,4,6-tetra-O-acetyl-β-D-galactopyranose

acetic anhydride
108-24-7

acetic anhydride

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
Yield given;
agarose acetate

agarose acetate

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
Yield given. Multistep reaction;
acetic anhydride
108-24-7

acetic anhydride

D-galacetose

D-galacetose

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With sodium acetate
Conditions
ConditionsYield
Stage #1: D-Galactose With boric acid In acetic acid at 50℃; for 1h; Cyclization;
Stage #2: acetic anhydride With sulfuric acid In acetic acid at 50℃; for 3h; Acetylation; Further stages. Further byproducts. Title compound not separated from byproducts.;
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
3068-32-4

1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 78 percent / NaH / dimethylformamide
2: AgBF4 / CH2Cl2
View Scheme
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
3068-32-4

1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

Conditions
ConditionsYield
With hydrogen bromide; acetic acid at 0 - 20℃;100%
With hydrogen bromide In dichloromethane100%
With bismuth(III) bromide; triethyl-bromo-silane In dichloromethane at 20℃; for 3h;100%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-azidotetrahydro-2H-pyran-3,4,5-triyl triacetate
13992-26-2

(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-azidotetrahydro-2H-pyran-3,4,5-triyl triacetate

Conditions
ConditionsYield
With trimethylsilylazide; silver perchlorate; tin(IV) chloride In dichloromethane; toluene for 3h; Ambient temperature;100%
With trimethylsilylazide; tin(IV) chloride In dichloromethane at 20℃; for 1h;100%
Stage #1: β-D-galactose peracetate With trimethylsilylazide In dichloromethane at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: With tin(IV) chloride In dichloromethane at 20℃; Inert atmosphere;
98%
Conditions
ConditionsYield
With hydrazinium monoacetate In N,N-dimethyl-formamide at 55℃; for 0.25h; Deacetylation;100%
With hydrazinium monoacetate In N,N-dimethyl-formamide at 50℃; for 2h; chemoselective reaction;96%
With hydrazinium monoacetate In N,N-dimethyl-formamide at 20℃;96%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

tetra-O-acetyl-α-iodogalactopyranose
75801-94-4

tetra-O-acetyl-α-iodogalactopyranose

Conditions
ConditionsYield
With trimethylsilyl iodide In dichloromethane Inert atmosphere;100%
With triethylsilane; iodine In dichloromethane at 0℃; for 2h; Heating;91%
With trimethylsilyl iodide In toluene at 80℃; for 0.5h;77%
thiophenol
108-98-5

thiophenol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 0℃;100%
With boron trifluoride diethyl etherate In dichloromethane at 0℃; for 2h; Inert atmosphere;99%
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 12h;98%
propargyl alcohol
107-19-7

propargyl alcohol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2-propynyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
211688-84-5

2-propynyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 18h; Inert atmosphere;100%
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 48h; Inert atmosphere;100%
With boron trifluoride diethyl etherate In dichloromethane for 2h; Ambient temperature;95%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2,3,4,6-tetra-O-acetyl-β-D-galactopyranose
70191-05-8

2,3,4,6-tetra-O-acetyl-β-D-galactopyranose

Conditions
ConditionsYield
With acetic acid; hydrazine In N,N-dimethyl-formamide at 60℃; for 0.5h;100%
With hydrazinium monoacetate In N,N-dimethyl-formamide at 50℃; for 0.75h;90%
With benzylamine In diethyl ether at 0℃; for 2.5h; Molecular sieve;86%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

1-(β-D-galactopyranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione
20183-21-5

1-(β-D-galactopyranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

Conditions
ConditionsYield
With triethylamine In methanol at 20℃; for 24h; Inert atmosphere;100%
Multi-step reaction with 2 steps
1: 74 percent / hexamethyldisilazane, chlorotrimethylsilane, tin(IV) chloride
2: 80 percent / NH3 / methanol / Ambient temperature
View Scheme
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2-bromoethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
16977-78-9, 85193-55-1, 86651-32-3, 86651-40-3

2-bromoethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Conditions
ConditionsYield
100%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

1-bromo-2,3,4,6-tetra-O-acetyl-D-galactopyranose
3068-32-4

1-bromo-2,3,4,6-tetra-O-acetyl-D-galactopyranose

Conditions
ConditionsYield
With hydrogen bromide; acetic acid at 0 - 20℃; for 4h; Inert atmosphere;99%
With hydrogen bromide; acetic acid In dichloromethane at 0℃; for 1h;
With hydrogen bromide In acetic anhydride; acetic acid at 20℃; for 2h;
para-thiocresol
106-45-6

para-thiocresol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

4-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside
28244-94-2, 28244-99-7, 86782-41-4, 131488-65-8

4-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 6h; Inert atmosphere;99%
With indium(III) bromide In dichloromethane at 20℃; for 2h; stereoselective reaction;96%
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 2h;95%
1-dodecylthiol
112-55-0

1-dodecylthiol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

dodecyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside
495394-47-3

dodecyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In 1,2-dichloro-ethane at 0 - 20℃;99%
With boron trifluoride diethyl etherate In 1,2-dichloro-ethane at 0 - 20℃;94.8%
With indium(III) bromide In chloroform Reflux;
Conditions
ConditionsYield
With hydrogen bromide; acetic acid at 0 - 20℃; for 4h; Inert atmosphere;99%
With hydrogen bromide; acetic acid at 0 - 20℃; for 4h; Inert atmosphere;99%
With hydrogen bromide; acetic acid for 1h; Inert atmosphere;89%
ethanethiol
75-08-1

ethanethiol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

ethyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside
55722-49-1

ethyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 3h; Substitution;98%
With boron trifluoride diethyl etherate In dichloromethane at 0℃; for 5h; Inert atmosphere;98%
With boron trifluoride diethyl etherate In dichloromethane at 0℃; for 0.25h;98%
4-methoxy-phenol
150-76-5

4-methoxy-phenol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

4-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
2872-65-3, 14581-81-8, 17042-40-9, 84380-06-3, 105260-62-6

4-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; triethylamine In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere;98%
With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 0℃; for 4h; Substitution;92%
With trimethylsilyl trifluoromethanesulfonate; triethylamine In dichloromethane92%
2-Naphthalenethiol
91-60-1

2-Naphthalenethiol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2-naphthyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside
7464-38-2

2-naphthyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 4h; Substitution;98%
With tin(IV) chloride In dichloromethane at 20℃; for 4h;78%
ethanethiol
75-08-1

ethanethiol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

ethyl 2,3,4-tri-O-acetyl-1-thio-D-galactopyranoside

ethyl 2,3,4-tri-O-acetyl-1-thio-D-galactopyranoside

Conditions
ConditionsYield
With indium(III) chloride; titanium tetrachloride In acetonitrile at 20℃; for 0.416667h;98%
5-fluoro-2,4-bis(trimethylsilyloxy)pyrimidine
17242-85-2

5-fluoro-2,4-bis(trimethylsilyloxy)pyrimidine

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

1-(2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosyl)-5-fluorouracil

1-(2',3',4',6'-tetra-O-acetyl-β-D-galactopyranosyl)-5-fluorouracil

Conditions
ConditionsYield
With poly(4,5-diphenyl-2-vinyloxazolium perchlorate) In acetonitrile for 24h; Vorbrueggen Nucleoside Synthesis; Schlenk technique; Inert atmosphere; Reflux;98%
(2-(methylthio)phenyl)methanethiol

(2-(methylthio)phenyl)methanethiol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2-bromobenzyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

2-bromobenzyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 3h;97%
Benzeneselenol
645-96-5

Benzeneselenol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

phenyl 2,3,4,6-tetra-O-acetyl-1-seleno-β-D-galactopyranoside
154618-72-1

phenyl 2,3,4,6-tetra-O-acetyl-1-seleno-β-D-galactopyranoside

Conditions
ConditionsYield
With indium(III) bromide In dichloromethane at 20℃; for 2h; stereoselective reaction;96%
With boron trifluoride diethyl etherate
thioacetic acid
507-09-5

thioacetic acid

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2,3,4,6-tetra-O-acetyl-1S-acetyl-1-thio-β-D-galactopyranose
6806-56-0

2,3,4,6-tetra-O-acetyl-1S-acetyl-1-thio-β-D-galactopyranose

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 0 - 30℃; for 5h; Inert atmosphere; stereoselective reaction;96%
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 24.25h; Inert atmosphere;89%
With aluminium trichloride In dichloromethane at 50℃; for 2h;84%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

A

2,3,4,6-tetra-O-acetyl-β-D-galactopyranose
70191-05-8

2,3,4,6-tetra-O-acetyl-β-D-galactopyranose

Conditions
ConditionsYield
With ammonia In acetonitrile at 20℃; for 24h; Ammonolysis; Title compound not separated from byproducts;A n/a
B 96%
Stage #1: β-D-galactose peracetate With tributyltin methoxide In tetrahydrofuran for 5h; Heating / reflux;
Stage #2: With hydrogenchloride In water
With lipase from Pseudomonas stutzeri In water for 8h; Solvent; Reagent/catalyst; Temperature; Green chemistry; Enzymatic reaction; Overall yield = 90 %; regioselective reaction;
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

S-tetraacetyl-β-D-galactosylisothiourea fluorine salt

S-tetraacetyl-β-D-galactosylisothiourea fluorine salt

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; thiourea In dichloromethane at 20℃; for 12h;96%
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl chloride
14227-87-3

2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl chloride

Conditions
ConditionsYield
With titanium tetrachloride In dichloromethane at 70℃; for 0.166667h; microwave irradiation;95%
With thionyl chloride; tin(IV) chloride In dichloromethane at 20℃;91%
With thionyl chloride; zinc(II) chloride; benzene
β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

6-hydroxy-1,2,3,4-tetra-O-acetyl-β-D-galactopyranose
61474-17-7

6-hydroxy-1,2,3,4-tetra-O-acetyl-β-D-galactopyranose

Conditions
ConditionsYield
octyl-immobilized lipase from Thermomyces lanuginose In phosphate buffer; acetonitrile at 25℃; for 23h; pH=5; Enzyme kinetics;95%
With immobilized on octyl-agarose; Candida rugosa lipase In phosphate buffer; water; acetonitrile for 48h; pH=5;43%
toluene-3-thiol
108-40-7

toluene-3-thiol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

3-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

3-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Conditions
ConditionsYield
With indium(III) bromide In dichloromethane at 20℃; for 2h; stereoselective reaction;95%
With tin(IV) chloride In dichloromethane at 20℃; for 4h;53%
6-azidohexan-1-ol
146292-90-2

6-azidohexan-1-ol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

6-azidohexyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
167016-41-3

6-azidohexyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 0.75h; sonication;95%
potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl-aethylxanthat
29587-08-4

2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl-aethylxanthat

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In chloroform at -8℃; for 4h; Solvent; Temperature; Reagent/catalyst;95%

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