Products

Refine

Country

Business Type

Certificate

Display

Chemlyte Solutions

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

Featured products 2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As 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

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide Manufacturer/High quality/Best price/In stock

Cas:3068-32-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 1-Bromo-2,3,4,6-Tetra-O-Acetyl-Alpha-D-Galactopyranoside supplier in China

Cas:3068-32-4

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide CAS 3068-32-4 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide CAS 3068-32-4

Cas:3068-32-4

Min.Order:10 Gram

FOB Price: $10.0

Type:Trading Company

inquiry

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

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

α-Acetobromo-D-galactose

Cas:3068-32-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide Synonyms: acetobromo-ó-d-galactose;alpha-d-galactopyranosylbromide,tetraacetate;BROMO-2,3,4,6-TETRA-O-ACETYL-ALPHA-D-GALACTOPYRANOSE;BROMO 2,3,4,6-TETRA-O-ACE

3068-32-4 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:1 Gram

FOB Price: $8900.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide CAS3068-32-4

Cas:3068-32-4

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

Type:Trading Company

inquiry

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

NewCAS 3068-32-4 with high quality products

Cas:3068-32-4

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

English name: tetra-O-acetyl-α-D-galactopyranosyl bromide CAS Number: 3068-32-4 Molecular formula: C14H19BrO9 Molecular weight: 411.2 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Ap

tetra-O-acetyl-α-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla

99%min 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide CAS 3068-32-4

Cas:3068-32-4

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

a-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate

Cas:3068-32-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide CAS:3068-32-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specia

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide CAS:3068-32-4

Cas:3068-32-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

a-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate

Cas:3068-32-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

Overview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie

China Biggest Factory & Manufacturer supply Acetobromo-α-D-galactose

Cas:3068-32-4

Min.Order:1 Kilogram

FOB Price: $30.0 / 35.0

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.:3068-32-4

Cas:3068-32-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality moderate price & quick delivery Appearance: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:Used to make other chemi

a-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate

Cas:3068-32-4

Min.Order:1 Kilogram

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

a-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate

Cas:3068-32-4

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

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:1 Gram

Negotiable

Type:Other

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

cas:3068-32-4

Cas:3068-32-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product 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,

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2,3,4,6-Tetra-O-Acetyl-Alpha-D-Galactopyranosyl Bromide CAS No.:3068-32-4 Molecule Formula:C14H19BrO9 Molecule Weight:411.19 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise S

Best Quality 2,3,4,6-Tetra-O-Acetyl-Alpha-D-Galactopyranosyl Bromide

Cas:3068-32-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide Synonyms: acetobromo-ó-d-galactose;alpha-d-galactopyranosylbromide,tetraacetate;2,3,4,6-Tetra-O-acetyl-a-D-galacopyranosyl bromide;BroMo 2,3,4,6-Tetra-O-acetyl-α

2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl bromide 3068-32-4 C14H19BrO9

Cas:3068-32-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

3068-32-4 CAS NO.3068-32-4

Cas:3068-32-4

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Acetobromo-alpha-D-galactose

Cas:3068-32-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide Cas no.3068-32-4 97%

Cas:3068-32-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Jiling Chemical Co., Ltd

factory Storage:Shading, sealed and preserved. Package:Grams, Kilograms Application:An organic synthetic intermediate used Transportation:According to customer request Port:Qingdao

a-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate

Cas:3068-32-4

Min.Order:0

Negotiable

Type:Other

inquiry

Kono Chem Co.,Ltd

high 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

tetra-O-acetyl-α-D-galactopyranosyl bromide

Cas:3068-32-4

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

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%
D-galactose pentaacetate
25878-60-8

D-galactose pentaacetate

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 - 10℃;100%
With bismuth(III) bromide; trimethylsilyl bromide In dichloromethane Ambient temperature;99%
With bismuth(III) bromide; trimethylsilyl bromide In dichloromethane at 20℃;99%
D-Galactose
59-23-4

D-Galactose

acetic acid
64-19-7

acetic acid

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 Acetyl bromide at 20℃;100%
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

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 Acetyl bromide; zinc dibromide In dichloromethane at 22℃; for 24h;98%
D-Galactose
10257-28-0

D-Galactose

acetic anhydride
108-24-7

acetic anhydride

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
Stage #1: D-Galactose With Acetyl bromide In methanol
Stage #2: acetic anhydride With acetic acid
95%
With Acetyl bromide In methanol; acetic acid at 20℃; Darkness;90%
With phosphorus; perchloric acid; bromine81.2%
1,2,3,4,6-penta-O-acetyl-D-galactopyranose
197158-78-4

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

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 In dichloromethane; acetic acid at 0 - 20℃;95%
C20H28O9S

C20H28O9S

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 iodine(I) bromide In dichloromethane; toluene at 20℃; for 1h; Molecular sieve; Inert atmosphere;95%
α-D-galactopyranose
3646-73-9

α-D-galactopyranose

acetic anhydride
108-24-7

acetic anhydride

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
Stage #1: α-D-galactopyranose; acetic anhydride With perchloric acid at 5 - 45℃; Inert atmosphere;
Stage #2: With phosphorus; bromine at 20 - 30℃; Inert atmosphere;
94%
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 pyridine; (PhO)3P*Br2 In dichloromethane for 0.166667h;90%
With tris(2,2'-bipyridyl)ruthenium dichloride; carbon tetrabromide; tetrabutylammomium bromide In N,N-dimethyl-formamide Schlenk technique; Sealed tube; Inert atmosphere; Irradiation;86%
With hydrogen bromide; acetic anhydride In dichloromethane at 20℃; for 4h;85%
4-methoxyphenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-glucopyranoside
160227-12-3

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
4753-07-5

2,3,6,2',3',4',6'-hepta-O-acetyl-lactosyl bromide

B

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
572-09-8

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
3068-32-4

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

Conditions
ConditionsYield
With Acetyl bromide; zinc dibromide In dichloromethane at 22℃; Yields of byproduct given;A 82%
B n/a
C n/a
methyl 2,3,4,6-tetra-O-acetyl-α-D-galactopyranoside
5019-22-7

methyl 2,3,4,6-tetra-O-acetyl-α-D-galactopyranoside

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 acyl bromide; zinc dibromide In dichloromethane for 12h; Heating;74%
With trimethylsilyl bromide; zinc dibromide In dichloromethane for 24h; Ambient temperature;41%
acetic anhydride
108-24-7

acetic anhydride

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 20℃; for 3.16667h; Inert atmosphere;71%
D-Galactose
59-23-4

D-Galactose

acetic anhydride
108-24-7

acetic anhydride

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 perchloric acid anschl. mit Phosphor, Brom und Wasser;
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 iodine(I) bromide In dichloromethane at 0℃; for 0.166667h; Yield given;
isopropyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopiranoside
55692-87-0

isopropyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopiranoside

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 iodine(I) bromide In dichloromethane at 0℃; for 0.166667h; Yield given;
methyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside
55722-48-0

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

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 iodine(I) bromide In dichloromethane at 0℃; for 0.166667h; Yield given;
With iodine(I) bromide In dichloromethane at 0℃; for 0.166667h; Bromination;
D-Galactose
10257-28-0

D-Galactose

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
Multi-step reaction with 2 steps
1: pyridine
2: HBr / acetic acid
View Scheme
Multi-step reaction with 2 steps
1: sodium acetate / 2.25 h / 100 °C / air
2: hydrogen bromide; acetic acid / 3.17 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: pyridine / 20 °C
2: acetic anhydride; hydrogen bromide; acetic acid / dichloromethane / 20 °C
View Scheme
2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-1-C-sulfonamide
1138026-31-9

2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-1-C-sulfonamide

A

C14H20BrNO11S
1138439-62-9

C14H20BrNO11S

B

C14H20BrNO11S
1138439-63-0

C14H20BrNO11S

C

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 bromine; potassium carbonate In chloroform for 4h; Reflux; Heat lamp;
α-D-galactopyranose
3646-73-9

α-D-galactopyranose

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
Multi-step reaction with 2 steps
1: pyridine / 20 h / 20 °C / Inert atmosphere
2: tert-butyl alcohol; hydrogen bromide / acetic acid / 0 - 20 °C
View Scheme
β-D-galactopyranoside
7296-64-2

β-D-galactopyranoside

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
Multi-step reaction with 2 steps
1: pyridine / 24 h / 20 °C
2: acetic anhydride; hydrogen bromide; acetic acid / dichloromethane / 24 h / 0 - 20 °C
View Scheme
Multi-step reaction with 2 steps
1: pyridine
2: hydrogen bromide; acetic acid / dichloromethane / 3 h / 20 °C
View Scheme
Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 20 °C
2: acetic anhydride; hydrogen bromide; acetic acid / dichloromethane / 20 °C
View Scheme
2,3,4,6-tetra-O-acetyl-β-D-galactopyranose
70191-05-8

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

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 In dichloromethane at 20℃; for 3h;
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

(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 sodium azide; tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate In dichloromethane100%
With sodium azide; tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate In dichloromethane; water at 20℃;100%
With tetramethylguanidinum azide In nitromethane at 25℃; for 4h;99%
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

3,4,6-tri-O-acetyl-1,2-O-vinylidene-α-D-galactopyranose

3,4,6-tri-O-acetyl-1,2-O-vinylidene-α-D-galactopyranose

Conditions
ConditionsYield
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;
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

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
724733-04-4

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

Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-undecanoyl)-methyl-amino]-phenylsulfanyl}-tetrahydro-pyran-3-yl ester

Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-undecanoyl)-methyl-amino]-phenylsulfanyl}-tetrahydro-pyran-3-yl ester

Conditions
ConditionsYield
With sodium carbonate In water; ethyl acetate at 20℃; for 2h;100%
(E)-5-[2-4-(hydroxyphenyl)ethenyl]-1,3-benzenediol
501-36-0

(E)-5-[2-4-(hydroxyphenyl)ethenyl]-1,3-benzenediol

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

resveratrol galactoside conjugate peracetate

resveratrol galactoside conjugate peracetate

Conditions
ConditionsYield
With 2,4,6-trimethyl-pyridine; silver carbonate; molecular sieve, 3 A In dichloromethane; acetonitrile at 25℃; for 72h; Under anhydrous N2;100%
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

2,3,4,6-tetra-O-acetyl-1,5-anhydro-D-galactitol
13121-62-5

2,3,4,6-tetra-O-acetyl-1,5-anhydro-D-galactitol

Conditions
ConditionsYield
With Cp2Ti(BH4) In tetrahydrofuran for 0.75h; Ambient temperature;99%
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene for 4h; Reflux;97%
With hydrogen; triethylamine; palladium on activated charcoal In ethyl acetate at 20℃; under 760.051 Torr; for 3h;96%
2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

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

3,4,6-tri-O-acetyl-α-D-galactopyranose 1,2-(i-butyl orthoacetate)

3,4,6-tri-O-acetyl-α-D-galactopyranose 1,2-(i-butyl orthoacetate)

Conditions
ConditionsYield
With 2,4,6-trimethyl-pyridine; 4 A molecular sieve; mercury dibromide In nitromethane; chloroform; benzene for 22h; Ambient temperature;99%
3-trifluoromethyl-4-nitrophenol
88-30-2

3-trifluoromethyl-4-nitrophenol

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

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

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

Conditions
ConditionsYield
With tetrabutylammomium bromide In dichloromethane; water at 50℃; for 1h; pH=8 - 9;99%
2-nitro-4-trifluoromethylphenol
400-99-7

2-nitro-4-trifluoromethylphenol

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

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

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

Conditions
ConditionsYield
With tetrabutylammomium bromide In dichloromethane; water at 50℃; for 1h; pH=8 - 9;99%
2-fluoro-4-nitrophenol
403-19-0

2-fluoro-4-nitrophenol

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

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

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

Conditions
ConditionsYield
With tetrabutylammomium bromide In dichloromethane; water at 50℃; for 1h; pH=8 - 9;99%
With sodium hydroxide; tetrabutylammomium bromide In dichloromethane at 35℃; for 4h;77%
With tetrabutylammomium bromide; sodium hydroxide
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

tetracycline galactoside conjugate

tetracycline galactoside conjugate

Conditions
ConditionsYield
With sodium methylate In methanol for 18h;99%
methyl 7-(benzyloxy)-4-[7-(benzyloxy)-3,5-dihydroxy-4-oxo-4H-chromen-2-yl]-2-nonylbenzofuran-3-carboxylate

methyl 7-(benzyloxy)-4-[7-(benzyloxy)-3,5-dihydroxy-4-oxo-4H-chromen-2-yl]-2-nonylbenzofuran-3-carboxylate

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

(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-{[7-(benzyloxy)-2-(7-(benzyloxy)-3-(methoxycarbonyl)-2-nonylbenzofuran-4-yl)-5-hydroxy-4-oxo-4H-chromen-3-yl]oxy}tetrahydro-2H-pyran-3,4,5-triyl triacetate

(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-{[7-(benzyloxy)-2-(7-(benzyloxy)-3-(methoxycarbonyl)-2-nonylbenzofuran-4-yl)-5-hydroxy-4-oxo-4H-chromen-3-yl]oxy}tetrahydro-2H-pyran-3,4,5-triyl triacetate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 18℃; for 12h; Inert atmosphere; regioselective reaction;99%
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 12h; Inert atmosphere;
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 12h; Inert atmosphere;
methanol
67-56-1

methanol

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

methyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
5019-23-8

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

Conditions
ConditionsYield
With triethylamine; 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 42℃; for 1h; Kinetics; Reagent/catalyst; Temperature;98%
With 4 A molecular sieve; iodine for 1h; Ambient temperature;95%
With silver carbonate
With phenylmercuric acetate
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

triacetyl-D-galactal
4098-06-0

triacetyl-D-galactal

Conditions
ConditionsYield
With edetate disodium; chromium(II) acetate In water; ethyl acetate for 18h; Ambient temperature;98%
With tetrakis(acetato)dichromium(II) dihydrate; edetate disodium In water; ethyl acetate for 18h; pH=5.0;97%
With β‐cyclodextrin; zinc In water at 20℃; for 0.5h; Sonication;93%
2-benzyloxy-3-hexadecyloxy-1-propanol
18678-94-9

2-benzyloxy-3-hexadecyloxy-1-propanol

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

Acetic acid (2R,3S,4S,5R,6R)-3,5-diacetoxy-2-acetoxymethyl-6-(2-benzyloxy-3-hexadecyloxy-propoxy)-tetrahydro-pyran-4-yl ester
82002-26-4

Acetic acid (2R,3S,4S,5R,6R)-3,5-diacetoxy-2-acetoxymethyl-6-(2-benzyloxy-3-hexadecyloxy-propoxy)-tetrahydro-pyran-4-yl ester

Conditions
ConditionsYield
With silver(l) oxide98%
thiophenol
108-98-5

thiophenol

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 sodium hydroxide; tetrabutylammomium bromide In benzene for 0.5h; Ambient temperature;98%
With potassium carbonate for 0.5h; Neat (no solvent); Ball milling;95%
With triethylamine In acetonitrile for 1h; Ambient temperature;82%
With tetra(n-butyl)ammonium hydrogensulfate; sodium carbonate In ethyl acetate75%
With tetrabutylammomium bromide; sodium carbonate In dichloromethane; water at 20℃; for 4h; stereoselective reaction;
allyl 2-acetamido-2-deoxy-4,6-O-benzylidene-α-D-galactopyranoside
92841-84-4

allyl 2-acetamido-2-deoxy-4,6-O-benzylidene-α-D-galactopyranoside

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

(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-(1-3)-2-acetamido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside
155739-81-4

(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-(1-3)-2-acetamido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Conditions
ConditionsYield
With mercury(II) cyanide In nitromethane; benzene at 20℃; for 18h;98%
In nitromethane; benzene at 25℃;78%
With mercury(II) cyanide In nitromethane; benzene at 50℃;65%
5-Nitrosalicylaldehyde
97-51-8

5-Nitrosalicylaldehyde

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

1-O-(2-formyl-4-nitrophenyl)-2,3,4,6-tetra-O-acetyl-β-D-galactopyranose

1-O-(2-formyl-4-nitrophenyl)-2,3,4,6-tetra-O-acetyl-β-D-galactopyranose

Conditions
ConditionsYield
With silver(l) oxide In acetonitrile for 4h; Darkness;98%
With silver(l) oxide In acetonitrile for 4h; Darkness;98%
With silver(l) oxide In acetonitrile at 20℃; for 22.5h; Inert atmosphere;87%
methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

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

methyl 3-O-(2’,3’,4’,6’-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-galactopyranoside
187458-88-4

methyl 3-O-(2’,3’,4’,6’-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-galactopyranoside

Conditions
ConditionsYield
Stage #1: methyl beta-D-galactopyranoside With diphenyltin(IV) dichloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: 1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside With 5,5'-dimethyl-2,2'-bipyridine; silver(l) oxide In tetrahydrofuran at 20 - 45℃; for 24h; Koenigs-Knorr Glycosidation; stereoselective reaction;
98%
monobenzyldithiocarbamate sodium
5115-14-0

monobenzyldithiocarbamate sodium

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

S-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-N-benzyl dithiocarbamate
1590413-29-8

S-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-N-benzyl dithiocarbamate

Conditions
ConditionsYield
In acetone at 20℃; for 2h;98%
cyclohexanol
108-93-0

cyclohexanol

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

(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(cyclohexyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate
54656-59-6

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

Conditions
ConditionsYield
With silver carbonate In dichloromethane97%
2-sulfanylpyrimidine
131242-36-9

2-sulfanylpyrimidine

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

A

Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(pyrimidin-2-ylsulfanyl)-tetrahydro-pyran-3-yl ester
171973-23-2

Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(pyrimidin-2-ylsulfanyl)-tetrahydro-pyran-3-yl ester

B

2,2'-(methylenebis(thio))bis(pyrimidine)
15054-61-2

2,2'-(methylenebis(thio))bis(pyrimidine)

C

chloro(pyrimidin-2-ylthio)methane
19834-93-6

chloro(pyrimidin-2-ylthio)methane

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate; sodium carbonate In dichloromethane for 1h; Ambient temperature;A 97%
B n/a
C n/a
para-thiocresol
106-45-6

para-thiocresol

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

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 potassium carbonate for 0.5h; Neat (no solvent); Ball milling;97%
With bismuth subcarbonate In neat (no solvent) for 2h; Molecular sieve; Milling;88%
With tetrabutylammomium bromide; sodium carbonate In dichloromethane; water at 20℃; for 4h; stereoselective reaction;
thiourea
17356-08-0

thiourea

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

2,3,4,6-tetra-O-acetylgalactopyranosyl-1-β-pseudothiourea hydrobromide
84062-53-3

2,3,4,6-tetra-O-acetylgalactopyranosyl-1-β-pseudothiourea hydrobromide

Conditions
ConditionsYield
In acetone at 70℃; for 16h;96%
With isopropyl alcohol
methyl L-fucopyranoside
14687-15-1

methyl L-fucopyranoside

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

methyl 3-O-(2’,3’,4’,6’-tetra-O-acetyl-β-D-galactopyranosyl)-α-L-fucopyranoside

methyl 3-O-(2’,3’,4’,6’-tetra-O-acetyl-β-D-galactopyranosyl)-α-L-fucopyranoside

Conditions
ConditionsYield
With arylboronic promoter; tetraethylammonium iodide; silver carbonate; 4 A molecular sieve In tetrahydrofuran at 0 - 50℃;96%
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;93%
2-chloro-5-(trifluoromethyl)phenol
40889-91-6

2-chloro-5-(trifluoromethyl)phenol

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

2-chloro-5-trifluoromethylphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

2-chloro-5-trifluoromethylphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Conditions
ConditionsYield
With tetrabutylammomium bromide In dichloromethane; water at 50℃; for 1h; pH=8 - 9;96%

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View