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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

Methyl alpha-D-galactopyranoside Manufacturer/High quality/Best price/In stock

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 1-O-Methyl-Alpha-D-Galactopyranoside supplier in China

Cas:3396-99-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

Reason for Choosing us: 1): Superior Quality and Competitive Price: Our company is a renowned pharmaceutical manufacturer with more than 15 years experiences in China and all powders are supplying from our factory directly. 2): Fast ,Sa

Methyl--d-galactopyranoside CAS NO.3396-99-4

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Factory low price Methyl α-D-galactopyranoside Cas 3396-99-4 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermed

Factory low price Methyl α-D-galactopyranoside Cas 3396-99-4 with fast delivery

Cas:3396-99-4

Min.Order:1 Gram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Methyl alpha-D-Galactopyranoside Monohydrate

Cas:3396-99-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

Methyl-α-D-Galactopyranoside Molecular Formula: C7H16O7 Molecular weight: 212 CAS No.: 93302-26-2/3396-99-4 Molecular Structure: Item Specification Appearance White crystalline

Methyl-α-D-Galactopyranoside

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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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

High Quality 99% 3396-99-4 METHYL-ALPHA-D-GALACTOPYRANOSIDE Manufacturer

Cas:3396-99-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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GIHI CHEMICALS CO.,LIMITED

GIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod

Methyl alpha-D-galactopyranoside

Cas:3396-99-4

Min.Order:1 Gram

FOB Price: $3.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

METHYL-ALPHA-D-GALACTOPYRANOSIDE

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--3396-99-4--High purity METHYL-ALPHA-D-GALACTOPYRANOSIDE 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 establis

TIANFUCHEM--3396-99-4--High purity METHYL-ALPHA-D-GALACTOPYRANOSIDE factory price

Cas:3396-99-4

Min.Order:1 Metric Ton

FOB Price: $2000.0

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

New production CAS 3396-99-4 with best quality

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: a-D-Galactopyranoside, methyl CAS No.: 3396-99-4 Formula: C7H14O6 Molecular Weight: 194.18 Synonyms: Galactopyranoside,methyl, a-D- (8CI);1-O-Methyl-a-D-galactopyranoside;Methyl a-D-galactopyranoside;Methyl a-D-galactoside;Methy

Methyl alpha-D-galactopyranoside

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s

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

a-D-Galactopyranoside, methyl 3396-99-4

Cas:3396-99-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Methyl alpha-D-galactopyranoside, CAS: 3396-99-4, Sugars

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $84.0 / 99.0

Type:Trading Company

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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 Methyl alpha-D-Galactopyranoside

Cas:3396-99-4

Min.Order:1 Kilogram

FOB Price: $30.0 / 35.0

Type:Lab/Research institutions

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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.:3396-99-4

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

METHYLALPHA-D-GALACTOPYRANOSIDE

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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 Methyl alpha-D-galactopyranoside monohydrate

Cas:3396-99-4

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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-Galactopyranoside, methyl

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name:Methyl Alpha-D-Galactopyranoside CAS No.:3396-99-4 Molecule Formula:C7H14O6 Molecule Weight:194.18 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTI

Best Quality Methyl Alpha-D-Galactopyranoside

Cas:3396-99-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: METHYL-ALPHA-D-GALACTOPYRANOSIDE Synonyms: MEHTYL-A-D-GALACTOPYRANOSIDE;Methylalpha-D-Galactopyranosiden-Hydrate;.alpha.-D-Galactopyranoside, methyl;methyl à-d-galactopyranoside monohydrate;methyl à-d-galactoside mon

METHYL-ALPHA-D-GALACTOPYRANOSIDE

Cas:3396-99-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Suzhou Sibian Chemical Technology Co., Ltd

The process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai

METHYL-ALPHA-D-GALACTOPYRANOSIDE

Cas:3396-99-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best qualit

Methyl alpha-D-galactopyranoside

Cas:3396-99-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

Methyl alpha-D-galactopyranoside monohydrate

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

with high qualityAppearance:white powder Storage:Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Package:25kg/drum Application:to formulate preparations Transportation:by courier, air or sea Port:At any port fro

methyl alpha-D-galactopyranoside 3396-99-4 Biochemistry

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Manufacturers

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JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua 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

Methyl Alpha-D-Galactopyranoside

Cas:3396-99-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triol 100g

Cas:3396-99-4

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, is located in High-Tech Science Park,Changsha,Chia . Specializing in R&D, manufacture and marketing, we provide a wide range of products and the most professional services to meet the

3-Methyl-4-nitro-1h-pyrazole-5-carboxylic acid

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

1-O-Methyl-Alpha-D-Galactopyranoside

Cas:3396-99-4

Min.Order:0

Negotiable

Type:Manufacturers

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Synthetic route

methanol
67-56-1

methanol

D-Galactose
10257-28-0

D-Galactose

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With acetyl chloride for 0.583333h; Heating; microwave irradiation;100%
Amberlite IR-120 (H+) resin for 24h; Heating;55%
With hydrogenchloride
With Amberlite IR 120 (H+ form) for 0.333333h; Reflux; Microwave irradiation;
With acetyl chloride for 12h; Inert atmosphere; Reflux;
methyl 2,3,4,6-tetra-O-benzoyl-α-D-galactopyranoside
14315-82-3

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

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen In methanol; ethyl acetate for 3h; Molecular sieve;100%
methyl 2,3,6-tri-O-benzoyl-α-D-galactopyranoside
3601-36-3

methyl 2,3,6-tri-O-benzoyl-α-D-galactopyranoside

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With polymer-supported potassium thiophenolate In tetrahydrofuran; methanol at 80℃; for 2.5h;98%
With Amberlyst A-26(OH) In methanol for 6h; Ambient temperature;94%
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

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With tris(2,4,6-trimethoxyphenyl)phosphine In methanol at 20℃; for 30h;93%
In methanol; water; triethylamine at 20℃; for 24h;
With methanol; sodium methylate at 20℃; Reagent/catalyst;100 %Spectr.
With ammonium hydroxide In tetrahydrofuran; methanol
methyl 4,6-O-benzylidene-α-D-galactopyranoside
4288-93-1

methyl 4,6-O-benzylidene-α-D-galactopyranoside

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
tetrafluoroboric acid In acetonitrile at 20℃; for 0.2h;87.2%
methyl α-galactopyranoside 6-sulfate
117858-45-4

methyl α-galactopyranoside 6-sulfate

A

methyl 2,3-dideoxy-α-D-threo-hexopyranoside
23339-18-6, 34339-61-2, 34340-42-6, 61278-06-6, 132074-93-2

methyl 2,3-dideoxy-α-D-threo-hexopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With sodium hydroxide at 100℃;A 86%
B n/a
With sodium hydroxide at 100℃; Title compound not separated from byproducts;A 86%
B n/a
methanol
67-56-1

methanol

D-Galactose
10257-28-0

D-Galactose

A

Methyl α,β-D-galactofuranoside
153831-23-3

Methyl α,β-D-galactofuranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With iron(III) chloride Heating;A 65%
B 24%
methanol
67-56-1

methanol

D-Galactose
59-23-4

D-Galactose

A

methyl α-D-galactofuranoside
3795-67-3

methyl α-D-galactofuranoside

B

methyl-β-D-galactofuranoside
1824-93-7

methyl-β-D-galactofuranoside

C

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

D

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With amberlite IR-120H In methanol at 35℃; for 48h;A 17 % Spectr.
B 60%
C 6 % Spectr.
D 9 % Spectr.
D-Galactose
59-23-4

D-Galactose

A

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride; methanol
D-Galactose
59-23-4

D-Galactose

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride; methanol; dimethylsulfite
D-Galactose-dibenzyldithioacetal
40733-07-1

D-Galactose-dibenzyldithioacetal

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With methanol; mercury dichloride
methanol
67-56-1

methanol

D-Galactose
10257-28-0

D-Galactose

A

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride for 16h; Heating;
methanol
67-56-1

methanol

C50H83NO21
95753-50-7

C50H83NO21

B

methyl-α-D-xylopyranoside
91-09-8

methyl-α-D-xylopyranoside

C

methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

D

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride for 2h; Heating; characterization by hydrolysis products;
methanol
67-56-1

methanol

C50H81NO21
95753-49-4

C50H81NO21

B

methyl-α-D-xylopyranoside
91-09-8

methyl-α-D-xylopyranoside

C

methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

D

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride for 2h; Heating; characterization by hydrolysis products;
methanol
67-56-1

methanol

3-O-β-D-glucopyranosyl-(1->2)-<β-D-glucopyranosyl-(1->3)>-β-D-glucopyranosyl-(1->4)-β-D-galactopyranosyl-(25 R,S)-spirost-5-en-3β,14α-diol

3-O-β-D-glucopyranosyl-(1->2)-<β-D-glucopyranosyl-(1->3)>-β-D-glucopyranosyl-(1->4)-β-D-galactopyranosyl-(25 R,S)-spirost-5-en-3β,14α-diol

A

methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride; potassium hydroxide for 1h; Heating; Title compound not separated from byproducts;
With hydrogenchloride; potassium hydroxide for 1h; Product distribution; Heating;
1-O-methyl-4-keto-α-D-glucopyranoside
55908-11-7

1-O-methyl-4-keto-α-D-glucopyranoside

A

methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol
With sodium tetrahydroborate In methanol for 1h; Product distribution; Ambient temperature;
methyl α-D-lyxo-hexopyranosid-4-ulose
102823-45-0

methyl α-D-lyxo-hexopyranosid-4-ulose

A

(+)-Methyl-α-D-talopyranosid
51224-40-9

(+)-Methyl-α-D-talopyranosid

B

methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

C

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol Title compound not separated from byproducts;
C28H25O8(1+)
92516-72-8

C28H25O8(1+)

A

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With sodium methylate In methanol Yield given. Yields of byproduct given. Title compound not separated from byproducts;
methanol
67-56-1

methanol

1,2:3,4-di-O-isopropylidene-α-D-galactopyranose
4064-06-6

1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

A

methyl-β-D-galactofuranoside
1824-93-7

methyl-β-D-galactofuranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With iodine for 4h; Heating; Yield given. Yields of byproduct given;
sodium methylate
124-41-4

sodium methylate

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

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

A

1,6-anhydro-β-D-galactopyranose
644-76-8

1,6-anhydro-β-D-galactopyranose

B

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

C

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
In pyridine; methanol at 80℃; for 2.5h;
1-O-tosyl-2,3,4,6-tetra-O-acetyl-D-galactopyranose

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

A

1,6-anhydro-β-D-galactopyranose
644-76-8

1,6-anhydro-β-D-galactopyranose

B

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

C

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With sodium methylate In pyridine; methanol at 80℃; for 2.5h;
methanol
67-56-1

methanol

lecythophorin

lecythophorin

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride Product distribution;
methanol
67-56-1

methanol

methyl 1-thio-β-D-galactopyranoside
155-30-6

methyl 1-thio-β-D-galactopyranoside

A

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With iodine at 18 - 20℃; for 2h; Yield given. Yields of byproduct given;
methanol
67-56-1

methanol

4-nitrophenyl α-D-galactoside
7493-95-0

4-nitrophenyl α-D-galactoside

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With α-D-galactosidase from Trichoderma reesei In water at 37℃; Rate constant; NaOAc buffer, pH 5.6;
1,4-dioxane
123-91-1

1,4-dioxane

methyl α-galactopyranoside 6-sulfate
117858-45-4

methyl α-galactopyranoside 6-sulfate

lithium alanate

lithium alanate

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
Erhizten des Barium-Salzes;
water-soluble polysaccharide from red seaweed Chondrus canaliculatus (Gigartinaceae), (Chile)

water-soluble polysaccharide from red seaweed Chondrus canaliculatus (Gigartinaceae), (Chile)

A

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

B

3,6-Anhydro-D-galactose-dimethylacetal
42859-44-9

3,6-Anhydro-D-galactose-dimethylacetal

C

Carrabiose-dimethylacetal
19141-13-0

Carrabiose-dimethylacetal

Conditions
ConditionsYield
methanolysis;A 0.47 g
B 0.16 g
C 0.77 g
hydrogenchloride
7647-01-0

hydrogenchloride

methanol
67-56-1

methanol

dimethylsulfite
616-42-2

dimethylsulfite

D-Galactose
59-23-4

D-Galactose

A

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

(2R,3R,4S,5R,6S)-2-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-6-methoxy-tetrahydro-pyran-3,4,5-triol
290359-93-2

(2R,3R,4S,5R,6S)-2-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-6-methoxy-tetrahydro-pyran-3,4,5-triol

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With pyridine; ammonium cerium(IV) nitrate In acetone at 68℃; for 4h; pH=4.4;94 % Chromat.
Ectyoceramide
571194-37-1

Ectyoceramide

A

methyl beta-D-galactopyranoside
1824-94-8

methyl beta-D-galactopyranoside

B

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

Conditions
ConditionsYield
With hydrogenchloride In methanol at 80℃; for 12h;
benzaldehyde dimethyl acetal
1125-88-8

benzaldehyde dimethyl acetal

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 4,6-O-benzylidene-α-D-galactopyranoside
64552-06-3

methyl 4,6-O-benzylidene-α-D-galactopyranoside

Conditions
ConditionsYield
With camphor-10-sulfonic acid In chloroform at 65℃;100%
With tetrafluoroboric acid In diethyl ether; N,N-dimethyl-formamide at 20℃; for 16h;96%
With toluene-4-sulfonic acid; 1-butyl-3-methylimidazolium Tetrafluoroborate at 80℃; for 2h;92%
triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

benzoyl haloide

benzoyl haloide

C37H46O9Si

C37H46O9Si

Conditions
ConditionsYield
Stage #1: triisopropylsilyl chloride; methyl α-D-galactopyranoside With 1H-imidazole In N,N-dimethyl-formamide at 20℃;
Stage #2: benzoyl haloide
100%
9-anthracenecarboxaldehyde dimethyl acetal
98178-26-8

9-anthracenecarboxaldehyde dimethyl acetal

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

(2S,4aR,6S,7R,8R,8aR)-2-(anthracen-9-yl)-6-methoxyhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol
1041002-68-9

(2S,4aR,6S,7R,8R,8aR)-2-(anthracen-9-yl)-6-methoxyhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 20℃; for 16h;100%
benzyl bromide
100-39-0

benzyl bromide

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

2,3,4-tri-O-benzyl-D-galactopyranoside
2771-55-3

2,3,4-tri-O-benzyl-D-galactopyranoside

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 17h; Inert atmosphere;100%
vinyl acetate
108-05-4

vinyl acetate

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

((2R,3R,4S,5R,6S)-5-acetoxy-3,4-dihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl acetate
116187-86-1

((2R,3R,4S,5R,6S)-5-acetoxy-3,4-dihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)methyl acetate

Conditions
ConditionsYield
With immobilized Novozym 435 from Candida antarctica lipase B In tetrahydrofuran at 45℃; for 51h; Enzymatic reaction; regioselective reaction;100%
acetic anhydride
108-24-7

acetic anhydride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

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

Conditions
ConditionsYield
With iodine at 20℃; for 0.15h;99%
With lithium perchlorate for 30h; Heating;99%
With iodine at 20℃; for 0.0833333h; Acetylation;98%
methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl iodide
74-88-4

methyl iodide

(2S,3R,4S,5S,6R)-2,3,4,5-Tetramethoxy-6-methoxymethyl-tetrahydro-pyran
3149-64-2

(2S,3R,4S,5S,6R)-2,3,4,5-Tetramethoxy-6-methoxymethyl-tetrahydro-pyran

Conditions
ConditionsYield
Stage #1: methyl α-D-galactopyranoside With sodium hydride In N,N-dimethyl-formamide; paraffin oil at 0℃; for 1h;
Stage #2: methyl iodide In N,N-dimethyl-formamide; paraffin oil at 0 - 20℃; for 24h;
99%
Stage #1: methyl α-D-galactopyranoside With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h; Inert atmosphere;
Stage #2: methyl iodide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 4h; Inert atmosphere;
82%
With potassium fluoride on basic alumina In acetonitrile80%
3,5-bis(trifluoromethyl)benzenesulfonyl chloride
39234-86-1

3,5-bis(trifluoromethyl)benzenesulfonyl chloride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 3-O-[3,5-bis(trifluoromethyl)benzenesulfonyl]-α-D-galactopyranoside
1422662-83-6

methyl 3-O-[3,5-bis(trifluoromethyl)benzenesulfonyl]-α-D-galactopyranoside

Conditions
ConditionsYield
Stage #1: methyl α-D-galactopyranoside With dibutyltin chloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: 3,5-bis(trifluoromethyl)benzenesulfonyl chloride With 1,2,2,6,6-pentamethylpiperidine In tetrahydrofuran at 10℃; for 12h; regioselective reaction;
99%
benzoyl chloride
98-88-4

benzoyl chloride

methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

A

methyl O3-benzoyl-α-D-galactoside
88087-57-4

methyl O3-benzoyl-α-D-galactoside

B

methyl O2-benzoyl-α-D-glucoside
21056-53-1

methyl O2-benzoyl-α-D-glucoside

Conditions
ConditionsYield
Stage #1: methyl-alpha-D-glucopyranoside; methyl α-D-galactopyranoside With dibutyltin chloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: benzoyl chloride With 1,2,2,6,6-pentamethylpiperidine; tetra-(n-butyl)ammonium iodide In tetrahydrofuran at 20℃; chemoselective reaction;
A 99%
B 19%
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

(2S,4aR,7R,8R,8aR)-6-methoxy-2-(4-methoxyphenyl)hexahydropyrano[3,2-d][1,3]dioxine-7,8-diol
185754-26-1

(2S,4aR,7R,8R,8aR)-6-methoxy-2-(4-methoxyphenyl)hexahydropyrano[3,2-d][1,3]dioxine-7,8-diol

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In N,N-dimethyl-formamide at 80℃;98%
With 3,4-bis((3,5-bis(trifluoromethyl)phenyl)amino)cyclobut-3-ene-1,2-dione In acetonitrile at 20℃; for 14h; Inert atmosphere;82%
With (1S)-10-camphorsulfonic acid In acetonitrile at 50℃; under 225.023 Torr; for 2.5h; Inert atmosphere;
3,5-difluorobenzenesulfonyl chloride
210532-25-5

3,5-difluorobenzenesulfonyl chloride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 3-O-(3,5-difluorobenzensulfonyl)-α-D-galactopyranoside
1399293-35-6

methyl 3-O-(3,5-difluorobenzensulfonyl)-α-D-galactopyranoside

Conditions
ConditionsYield
Stage #1: methyl α-D-galactopyranoside With dibutyltin chloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: 3,5-difluorobenzenesulfonyl chloride With 1,2,2,6,6-pentamethylpiperidine In tetrahydrofuran at 10℃; for 12h; regioselective reaction;
98%
benzyl bromide
100-39-0

benzyl bromide

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 2,3,4,6-tetra-O-benzyl-α-D-galactopyranoside
53008-63-2

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

Conditions
ConditionsYield
Stage #1: methyl α-D-galactopyranoside With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 0.5h;
Stage #2: benzyl bromide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃;
97%
Stage #1: methyl α-D-galactopyranoside With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere;
Stage #2: benzyl bromide In N,N-dimethyl-formamide at 0 - 20℃; for 3h; Inert atmosphere;
96%
Stage #1: methyl α-D-galactopyranoside With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h;
Stage #2: benzyl bromide In N,N-dimethyl-formamide at 20℃;
95%
acetone
67-64-1

acetone

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 3,4-O-isopropylidene-α-D-galactopyranoside
40269-01-0

methyl 3,4-O-isopropylidene-α-D-galactopyranoside

Conditions
ConditionsYield
With nano n-propylsulfonated magnetic γ-Fe2O3 for 1.5h; Reflux;97%
vanadyl triflate In acetonitrile at 20℃; for 11h;80%
With iodine at 20℃; for 4h;70%
benzyl chloride
100-44-7

benzyl chloride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 2,3,4,6-tetra-O-benzyl-α-D-galactopyranoside
53008-63-2

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

Conditions
ConditionsYield
Stage #1: methyl α-D-galactopyranoside In toluene at 90 - 95℃;
Stage #2: benzyl chloride With sodium hydride In toluene; paraffin oil at 35 - 95℃;
96.5%
With sodium hydride at 130℃;78%
With potassium hydroxide Etherification; alkylation;
benzaldehyde dimethyl acetal
1125-88-8

benzaldehyde dimethyl acetal

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 4,6-O-benzylidene-α-D-galactopyranoside
4288-93-1

methyl 4,6-O-benzylidene-α-D-galactopyranoside

Conditions
ConditionsYield
tetrafluoroboric acid In N,N-dimethyl-formamide at 20℃; for 4h;96.4%
With sulfuric acid In methanol Heating;96%
With camphor-10-sulfonic acid In acetonitrile at 20℃; for 15h; pH=3;50%
2-bromomethylnaphthyl bromide
939-26-4

2-bromomethylnaphthyl bromide

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 3-O-NAP-α-D-galactoside
260411-21-0

methyl 3-O-NAP-α-D-galactoside

Conditions
ConditionsYield
Stage #1: methyl α-D-galactopyranoside With di(n-butyl)tin oxide In benzene for 4h; Reflux;
Stage #2: 2-bromomethylnaphthyl bromide With tetra-(n-butyl)ammonium iodide In benzene at 80 - 85℃; for 18h;
96%
Stage #1: methyl α-D-galactopyranoside With di(n-butyl)tin oxide In benzene for 4h; Metallation; Heating;
Stage #2: 2-bromomethylnaphthyl bromide With tetra-(n-butyl)ammonium iodide at 80 - 85℃; for 18h; Alkylation;
93%
allyl ethyl carbonate
1469-70-1

allyl ethyl carbonate

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 2,3,4,6-tetra-O-allyl-α-D-galactopyranoside
25817-62-3

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

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium (0); 1,4-di(diphenylphosphino)-butane In tetrahydrofuran at 65℃; for 12h;95%
p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 2,3,6-tri-O-p-tolylsulfonyl-α-D-galactopyranoside
74052-05-4

methyl 2,3,6-tri-O-p-tolylsulfonyl-α-D-galactopyranoside

Conditions
ConditionsYield
With pyridine at 25℃; for 20h;95%
C16H11F13O
944721-23-7

C16H11F13O

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

C23H23F13O6
944720-95-0

C23H23F13O6

Conditions
ConditionsYield
Stage #1: C16H11F13O With toluene-4-sulfonic acid; sodium sulfate; trimethyl orthoformate In acetonitrile at 20℃;
Stage #2: methyl α-D-galactopyranoside In acetonitrile Further stages.;
95%
1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 2,3,4,6-tetra-O-trimethylsilyl-α-D-galactopyranoside
4133-45-3

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

Conditions
ConditionsYield
With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 20℃; for 0.333333h; Inert atmosphere;95%
tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 6-O-(tert-butyldiphenylsilyl)-α-D-galactopyranoside
114217-35-5

methyl 6-O-(tert-butyldiphenylsilyl)-α-D-galactopyranoside

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide for 24h;94%
With 1H-imidazole In N,N-dimethyl-formamide for 5h; Inert atmosphere;92%
With 1H-imidazole79%
With 1H-imidazole In N,N-dimethyl-formamide Ambient temperature;76%
With pyridine Ambient temperature;
methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

1-O-methyl-4-keto-α-D-glucopyranoside
55908-11-7

1-O-methyl-4-keto-α-D-glucopyranoside

Conditions
ConditionsYield
With phenyltrimethylammonium tribromide; potassium carbonate In tetrahydrofuran; methanol at 20℃; for 4h; Reagent/catalyst; regioselective reaction;94%
With 3 A molecular sieve; bromine; bis(tri-n-butyltin)oxide 1) CHCl3, reflux, 3 h, 2) CHCl3, 0 deg C, 8 min; Yield given. Multistep reaction;
1,1-dimethoxy-1-(4-methoxyphenyl)ethane
27150-99-8

1,1-dimethoxy-1-(4-methoxyphenyl)ethane

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 4,6-O-<(4-methoxyphenyl)ethylidene>-α-D-galactopyranoside
76513-59-2

methyl 4,6-O-<(4-methoxyphenyl)ethylidene>-α-D-galactopyranoside

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane for 3h; Ambient temperature;93%
(diethoxymethyl)benzene
774-48-1

(diethoxymethyl)benzene

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

methyl 4,6-O-benzylidene-α-D-galactopyranoside
4288-93-1

methyl 4,6-O-benzylidene-α-D-galactopyranoside

Conditions
ConditionsYield
With camphor-10-sulfonic acid In chloroform Heating;92%
With camphorsulfonic acid In chloroform Heating;92%
With camphor-10-sulfonic acid In chloroform for 2h; Heating;
dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

(4aR,6S,6aR,11aS,11bS)-6-Methoxy-hexahydro-1,3,5,7,9,11-hexaoxa-cyclohepta[a]naphthalene

(4aR,6S,6aR,11aS,11bS)-6-Methoxy-hexahydro-1,3,5,7,9,11-hexaoxa-cyclohepta[a]naphthalene

Conditions
ConditionsYield
With trichlorophosphate at 65℃; for 0.5h;92%
With thionyl chloride at 65℃; for 0.5h;83%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

methyl α-D-galactopyranoside
3396-99-4

methyl α-D-galactopyranoside

6-O-tert-butyldimethylsilanyl-1-O-methyl-α-D-galactopyranoside
181480-80-8

6-O-tert-butyldimethylsilanyl-1-O-methyl-α-D-galactopyranoside

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 0℃; for 19h;92%
With triethylamine; N,N-dimethyl-formamide In acetonitrile at 20℃; for 0.5h; regioselective reaction;89%
With pyridine; dmap at 0 - 20℃;81%

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