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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

2,3,4,6-Tetra-O-Pivaloyl-α-D-Glucopyranosyl Bromide CAS 81058-27-7 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/F

2,3,4,6-Tetra-O-Pivaloyl-α-D-Glucopyranosyl Bromide CAS 81058-27-7

Cas:81058-27-7

Min.Order:10 Gram

FOB Price: $10.0

Type:Trading Company

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Hangzhou Think Chemical Co. Ltd

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide CAS NO.:81058-27-7 HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences

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

2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE

Cas:81058-27-7

Min.Order:1 Pound

Negotiable

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

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

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 according to the contract research and development services for the fine c

Tetra-o-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

Tetrakis-(2,2-dimethylpropanoate)-α-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1061.html Product Name 2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide C

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:1 Gram

FOB Price: $45.0

Type:Lab/Research institutions

inquiry

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

2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE

Cas:81058-27-7

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE 81058-27-7

Cas:81058-27-7

Min.Order:1 Metric Ton

FOB Price: $500.0

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

Pharmaceutical Grade CAS 81058-27-7 with competitive price

Cas:81058-27-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide 81058-27-7

Cas:81058-27-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide/ LIDE PHARMA- Factory supply / Best price

Cas:81058-27-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE CAS: 81058-27-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, speci

2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE CAS: 81058-27-7

Cas:81058-27-7

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

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

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

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE Synonyms: 2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE;TETRAKIS(2,2-DIMETHYLPROPANOATE)-A-D-GLUCOPYRANOSYL BROMIDE;TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE;2

.2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE supplier best quality

Cas:81058-27-7

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:100 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

Canagliflozin Intermediate 81058-27-7

Cas:81058-27-7

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

2,3,4,6-Tetra-O-Pivaloyl-α-D-Glucopyranosyl Bromide

Cas:81058-27-7

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Hope Chem Co., Ltd

1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product

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

2,3,4,6-TETRA-O-PIVALOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE/High quality/Best price

Cas:81058-27-7

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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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

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:10 Gram

FOB Price: $100.0

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-Pivaloyl-α-D-Glucopyranosyl Bromide

Cas:81058-27-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Top Purity 2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:0

Negotiable

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

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

2,3,4,6-Tetra-O-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

Min.Order:1 Kilogram

FOB Price: $2.0

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-pivaloyl-alpha-D-glucopyranosyl bromide

Cas:81058-27-7

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

81058-27-7 CAS NO.81058-27-7

Cas:81058-27-7

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Synthetic route

1,2,3,4,6-penta-O-trimethylacetyl-β-D-glucopyranose
81058-26-6

1,2,3,4,6-penta-O-trimethylacetyl-β-D-glucopyranose

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Conditions
ConditionsYield
With bismuth(III) bromide; trimethylsilyl bromide In dichloromethane at 20℃; for 24h;97%
With hydrogen bromide In dichloromethane; acetic acid for 12h;64%
With hydrogen bromide; acetic acid In dichloromethane at 5℃; for 12h;63%
1,2,3,4,6-penta-O-pivaloyl-D-glucopyranoside
1213234-53-7

1,2,3,4,6-penta-O-pivaloyl-D-glucopyranoside

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Conditions
ConditionsYield
With trimethylsilyl bromide; zinc dibromide In dichloromethane at 10 - 25℃; Temperature; Inert atmosphere;83%
Stage #1: 1,2,3,4,6-penta-O-pivaloyl-D-glucopyranoside With zinc dibromide In dichloromethane at 20℃; for 0.166667h; Inert atmosphere;
Stage #2: With sodium hydrogencarbonate In dichloromethane; water
Stage #1: 1,2,3,4,6-penta-O-pivaloyl-D-glucopyranoside With trimethylsilyl bromide; zinc dibromide In dichloromethane at 20℃; for 24h; Inert atmosphere;
Stage #2: With sodium hydrogencarbonate In dichloromethane; water at 0℃; pH=7 - 8;
1,2,3,4,6-penta-O-pivaloyl-D-glucopyranoside
114179-84-9

1,2,3,4,6-penta-O-pivaloyl-D-glucopyranoside

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Conditions
ConditionsYield
With hydrogen bromide; acetic acid In dichloromethane at 0 - 20℃; for 3h;70%
With hydrogen bromide; acetic acid In dichloromethane Molecular sieve;
pivaloyl chloride
3282-30-2

pivaloyl chloride

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73 percent / Et3N; DMAP / CH2Cl2 / 24 h / 20 °C
2: 97 percent / BiBr3; Me3SiBr / CH2Cl2 / 24 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 74 percent / pyridine / CHCl3 / 120 h / Ambient temperature
2: 64 percent / 40percent HBr / CH2Cl2; acetic acid / 12 h
View Scheme
Multi-step reaction with 2 steps
1: triethylamine / dmap / dichloromethane / 0.75 h / 20 °C / Inert atmosphere
2: zinc dibromide / dichloromethane / 0.17 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1.1: triethylamine / dmap / dichloromethane / 20.5 h / 0 - 20 °C / Inert atmosphere
2.1: trimethylsilyl bromide / zinc dibromide / dichloromethane / 24 h / 20 °C / Inert atmosphere
2.2: 0 °C / pH 7 - 8
View Scheme
Multi-step reaction with 2 steps
1: pyridine; dmap; thionyl chloride / dichloromethane / 2 h / 48 - 50 °C / Reflux; Large scale
2: zinc dibromide; trimethylsilyl bromide / dichloromethane / 10 - 25 °C / Inert atmosphere
View Scheme
alpha-D-glucopyranose
492-62-6

alpha-D-glucopyranose

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: triethylamine / dmap / dichloromethane / 20.5 h / 0 - 20 °C / Inert atmosphere
2.1: trimethylsilyl bromide / zinc dibromide / dichloromethane / 24 h / 20 °C / Inert atmosphere
2.2: 0 °C / pH 7 - 8
View Scheme
Multi-step reaction with 2 steps
1: pyridine; dmap; thionyl chloride / dichloromethane / 2 h / 48 - 50 °C / Reflux; Large scale
2: zinc dibromide; trimethylsilyl bromide / dichloromethane / 10 - 25 °C / Inert atmosphere
View Scheme
pivaloyl chloride
3282-30-2

pivaloyl chloride

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Conditions
ConditionsYield
In dichloromethane
D-glucose
50-99-7

D-glucose

trimethylsilyl bromide
2857-97-8

trimethylsilyl bromide

A

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

B

pivaloyl chloride
3282-30-2

pivaloyl chloride

Conditions
ConditionsYield
In dichloromethane
In dichloromethane
In dichloromethane
methyl-alpha-D-glucopyranoside
97-30-3

methyl-alpha-D-glucopyranoside

A

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

B

pivaloyl chloride
3282-30-2

pivaloyl chloride

Conditions
ConditionsYield
With sodium bromide In dichloromethane
D-glucose
50-99-7

D-glucose

A

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

B

pivaloyl chloride
3282-30-2

pivaloyl chloride

Conditions
ConditionsYield
With sodium bromide In dichloromethane
1-Tetradecanol
112-72-1

1-Tetradecanol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

tetradecyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside
225641-98-5

tetradecyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside

Conditions
ConditionsYield
With silver carbonate In diethyl ether97%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

3,4,6-tri-O-pivaloyl-D-glucal
149198-97-0, 104445-19-4

3,4,6-tri-O-pivaloyl-D-glucal

Conditions
ConditionsYield
With acetic acid; zinc In tetrahydrofuran; water at 0 - 25℃; for 19.5h;97%
With (2-) In water; N,N-dimethyl-formamide for 24h; pH 5.0;90%
6-(2',4'-di(benzyloxy)phenyl)hexanol

6-(2',4'-di(benzyloxy)phenyl)hexanol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-4-(2,4-dibenzyloxyphenyl)hexane

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-4-(2,4-dibenzyloxyphenyl)hexane

Conditions
ConditionsYield
With silver carbonate In diethyl ether Koenigs-Knorr Glycosidation; Molecular sieve;97%
With silver carbonate In diethyl ether Molecular sieve;97%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(1R)-4-[(3R)-3-(2,2-dimethyl-1-oxopropyloxy)]-3,5,5-trimethylcyclohex-3-enol
649723-26-2

(1R)-4-[(3R)-3-(2,2-dimethyl-1-oxopropyloxy)]-3,5,5-trimethylcyclohex-3-enol

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-3,5-bis-(2,2-dimethyl-propionyloxy)-2-{(R)-4-[(R)-3-(2,2-dimethyl-propionyloxy)-butyl]-3,5,5-trimethyl-cyclohex-3-enyloxy}-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester
649723-21-7

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-3,5-bis-(2,2-dimethyl-propionyloxy)-2-{(R)-4-[(R)-3-(2,2-dimethyl-propionyloxy)-butyl]-3,5,5-trimethyl-cyclohex-3-enyloxy}-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester

Conditions
ConditionsYield
With 4 A molecular sieve; silver trifluoromethanesulfonate; tetramethylurea In dichloromethane at 0 - 20℃; for 2.5h;96%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

Acetic acid (R)-4-((S)-3-hydroxy-but-1-ynyl)-3,5,5-trimethyl-cyclohex-3-enyl ester
322474-89-5

Acetic acid (R)-4-((S)-3-hydroxy-but-1-ynyl)-3,5,5-trimethyl-cyclohex-3-enyl ester

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-2-[(S)-3-((R)-4-acetoxy-2,6,6-trimethyl-cyclohex-1-enyl)-1-methyl-prop-2-ynyloxy]-3,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester
521291-38-3

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-2-[(S)-3-((R)-4-acetoxy-2,6,6-trimethyl-cyclohex-1-enyl)-1-methyl-prop-2-ynyloxy]-3,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester

Conditions
ConditionsYield
With 4 A molecular sieve; silver trifluoromethanesulfonate; tetramethylurea In dichloromethane at 0 - 20℃; for 2.5h;95%
With silver trifluoromethanesulfonate; tetramethylurea72%
14-(2,4-di(benzyloxy)phenyl)tetradecanol

14-(2,4-di(benzyloxy)phenyl)tetradecanol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-4-(2,4-dibenzyloxyphenyl)tetradecane

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-4-(2,4-dibenzyloxyphenyl)tetradecane

Conditions
ConditionsYield
With silver carbonate In diethyl ether Koenigs-Knorr Glycosidation; Molecular sieve;95%
With silver carbonate In diethyl ether Molecular sieve;95%
10-(2,4-di(benzyloxy)phenyl)decanol

10-(2,4-di(benzyloxy)phenyl)decanol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

C56H80O12

C56H80O12

Conditions
ConditionsYield
With silver carbonate In diethyl ether Koenigs-Knorr Glycosidation;94%
With silver carbonate In diethyl ether Molecular sieve;94%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

phenol
108-95-2

phenol

Phenyl-2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosid
100083-89-4

Phenyl-2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosid

Conditions
ConditionsYield
With silver(l) oxide In quinoline for 0.25h; Ambient temperature;93%
C24H26O3

C24H26O3

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

C49H66O12

C49H66O12

Conditions
ConditionsYield
With silver carbonate In diethyl ether at 20℃; Koenigs-Knorr Glycosidation;93%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

3-(2',4'-di(benzyloxy)phenyl)propanol
491610-75-4

3-(2',4'-di(benzyloxy)phenyl)propanol

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-3-(2,4-dibenzyloxyphenyl)propane

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-3-(2,4-dibenzyloxyphenyl)propane

Conditions
ConditionsYield
With silver carbonate In diethyl ether Koenigs-Knorr Glycosidation; Molecular sieve;93%
With silver carbonate In diethyl ether for 4h; Molecular sieve;93%
21-acetoxypregnenolone
566-78-9

21-acetoxypregnenolone

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(21-Acetoxy-20-oxo-5-pregnen-3β-yl)-2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosid
100083-82-7

(21-Acetoxy-20-oxo-5-pregnen-3β-yl)-2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosid

Conditions
ConditionsYield
With molecular sieve; silver carbonate In diethyl ether for 20h; Ambient temperature;92%
1-acetyl-1,2-dihydro-4-[(4-isopropoxyphenyl)methyl]-5-methyl-3H-pyrazol-3-one

1-acetyl-1,2-dihydro-4-[(4-isopropoxyphenyl)methyl]-5-methyl-3H-pyrazol-3-one

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

1-acetyl-4-[(4-isopropoxyphenyl)methyl]-5-methyl-3-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyloxy)-1H-pyrazole

1-acetyl-4-[(4-isopropoxyphenyl)methyl]-5-methyl-3-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyloxy)-1H-pyrazole

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 60℃; for 16h; Solvent; Reagent/catalyst;92%
4-(2',4'-di(benzyloloxy)phenyl)butan-1-ol

4-(2',4'-di(benzyloloxy)phenyl)butan-1-ol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-4-(2,4-dibenzyloxyphenyl)butane

1-(2″,3″,4″,6″-tetra-O-pivaloyl-beta-D-glucopyranosyl)-4-(2,4-dibenzyloxyphenyl)butane

Conditions
ConditionsYield
With silver carbonate In diethyl ether Koenigs-Knorr Glycosidation; Molecular sieve;92%
With silver carbonate In diethyl ether Molecular sieve;92%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

2,2-Dimethyl-propionic acid (2S,3S,4R,5R,6R)-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-[methoxycarbonyl-(2,2,2-trifluoro-acetylamino)-methyl]-tetrahydro-pyran-3-yl ester
129990-31-4, 129990-52-9

2,2-Dimethyl-propionic acid (2S,3S,4R,5R,6R)-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-[methoxycarbonyl-(2,2,2-trifluoro-acetylamino)-methyl]-tetrahydro-pyran-3-yl ester

Conditions
ConditionsYield
With zinc dibromide In 1,2-dichloro-ethane for 9h; Heating;91%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(-)-(8R/S,15R)-8-Benzyloxy-15-hydroxyhexadecansaeure-benzylester
133447-63-9, 133447-68-4

(-)-(8R/S,15R)-8-Benzyloxy-15-hydroxyhexadecansaeure-benzylester

(-)-(8R/S,15R)-8-Benzyloxy-15-<2,3,4,6-tetrakis-O-(2,2-dimethylpropanoyl)-β-D-glucopyranosyloxy>hexadecansaeure-benzylester
133470-51-6, 133574-67-1

(-)-(8R/S,15R)-8-Benzyloxy-15-<2,3,4,6-tetrakis-O-(2,2-dimethylpropanoyl)-β-D-glucopyranosyloxy>hexadecansaeure-benzylester

Conditions
ConditionsYield
With 3 A molecular sieve; silver carbonate In diethyl ether for 4h; Ambient temperature;89%
1-Decanol
112-30-1

1-Decanol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

decyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside
225641-96-3

decyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside

Conditions
ConditionsYield
With silver carbonate In diethyl ether89%
tigogenin
77-60-1

tigogenin

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

<(25R)-5α-Spirostan-3β-yl>-2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosid
100102-42-9

<(25R)-5α-Spirostan-3β-yl>-2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosid

Conditions
ConditionsYield
With molecular sieve; silver carbonate In diethyl ether for 24h; Ambient temperature;88%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(R)-1-O-p-methoxybenzyloctadec-17-ene-1,3-diol
628316-30-3

(R)-1-O-p-methoxybenzyloctadec-17-ene-1,3-diol

(3R)-1-O-(p-methoxybenzyl)-3-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyl)octadec-17-ene-1,3-diol
628316-31-4

(3R)-1-O-(p-methoxybenzyl)-3-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyl)octadec-17-ene-1,3-diol

Conditions
ConditionsYield
With 2,6-di-tert-butyl-pyridine; silver trifluoromethanesulfonate In dichloromethane at -40 - -20℃; for 1.5h;88%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(+/-)-4-(4-benzyloxyphenyl)-2-butanol

(+/-)-4-(4-benzyloxyphenyl)-2-butanol

C43H62O11

C43H62O11

Conditions
ConditionsYield
With silver carbonate In diethyl ether at 20℃; Koenigs-Knorr Glycosidation;88%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(1R)-4-[(3R)-3-hydroxybutyl]-3,5,5-trimethylcyclohex-3-enyl
649723-25-1

(1R)-4-[(3R)-3-hydroxybutyl]-3,5,5-trimethylcyclohex-3-enyl

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-2-[(R)-3-((R)-4-acetoxy-2,6,6-trimethyl-cyclohex-1-enyl)-1-methyl-propoxy]-3,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester
649723-23-9

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-2-[(R)-3-((R)-4-acetoxy-2,6,6-trimethyl-cyclohex-1-enyl)-1-methyl-propoxy]-3,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester

Conditions
ConditionsYield
With 4 A molecular sieve; silver trifluoromethanesulfonate; tetramethylurea In dichloromethane at 0 - 20℃; for 2.5h;87%
(2-(4-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]thiophene)
898566-17-1

(2-(4-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]thiophene)

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(2S,3S,4R,5R,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(pivaloyloxymethyl)tetrahydro-2H-pyran-3,4,5-thiyl tris(2,2-dimethylpropanoate)
1283129-18-9

(2S,3S,4R,5R,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(pivaloyloxymethyl)tetrahydro-2H-pyran-3,4,5-thiyl tris(2,2-dimethylpropanoate)

Conditions
ConditionsYield
Stage #1: (2-(4-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]thiophene) With n-butyllithium; zinc dibromide In n-heptane; dibutyl ether; toluene at -10 - 25℃; for 2.5h; Inert atmosphere;
Stage #2: 2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide In n-heptane; dibutyl ether; toluene at 95℃; for 6.5h; Product distribution / selectivity;
86.6%
Stage #1: (2-(4-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]thiophene) With TurboGrignard In tetrahydrofuran at 0 - 10℃; for 1h; Large scale;
Stage #2: 2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide In tetrahydrofuran at 0 - 10℃; for 3h; Large scale;
85%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

(8RS,15R)-8-acetoxy-1-benzyloxy-15-hexadecanol

(8RS,15R)-8-acetoxy-1-benzyloxy-15-hexadecanol

(8RS,15R)-8-acetoxy-1-benzyloxy-15-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyloxy)hexadecane

(8RS,15R)-8-acetoxy-1-benzyloxy-15-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyloxy)hexadecane

Conditions
ConditionsYield
With 4 A molecular sieve; silver carbonate In diethyl ether for 24h; Ambient temperature;86%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

benzyl alcohol
100-51-6

benzyl alcohol

A

benzyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside
81058-28-8

benzyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside

B

1,2-O-(1-Benzyloxyneopentyliden)-3,4,6-tri-O-pivaloyl-α-D-glucopyranose
81058-29-9

1,2-O-(1-Benzyloxyneopentyliden)-3,4,6-tri-O-pivaloyl-α-D-glucopyranose

Conditions
ConditionsYield
With silver(II) oxide In diethyl ether for 5h; Ambient temperature;A 86%
B 1.3%
1-dodecyl alcohol
112-53-8

1-dodecyl alcohol

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

dodecyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside
225641-97-4

dodecyl 2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranoside

Conditions
ConditionsYield
With silver carbonate In diethyl ether85%
4,5-dihydroblumenol A
863032-33-1

4,5-dihydroblumenol A

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-[(E)-(S)-3-((R)-1-hydroxy-2,6,6-trimethyl-4-oxo-cyclohex-2-enyl)-1-methyl-allyloxy]-tetrahydro-pyran-3-yl ester
863032-49-9

2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-[(E)-(S)-3-((R)-1-hydroxy-2,6,6-trimethyl-4-oxo-cyclohex-2-enyl)-1-methyl-allyloxy]-tetrahydro-pyran-3-yl ester

Conditions
ConditionsYield
With silver trifluoromethanesulfonate; tetramethylurea In dichloromethane at 0 - 20℃; for 1.83333h;85%
5-methyl-1-(propan-2-yl)-4-[4-(propan-2-yloxy)benzyl]-1,2-dihydro-3H-pyrazol-3-one
1028026-83-6

5-methyl-1-(propan-2-yl)-4-[4-(propan-2-yloxy)benzyl]-1,2-dihydro-3H-pyrazol-3-one

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

4-[(4-isopropoxyphenyl)methyl]-1-isopropyl-5-methyl-3-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyloxy)-1H-pyrazole

4-[(4-isopropoxyphenyl)methyl]-1-isopropyl-5-methyl-3-(2,3,4,6-tetra-O-pivaloyl-β-D-glucopyranosyloxy)-1H-pyrazole

Conditions
ConditionsYield
With caesium carbonate In isopropyl alcohol; acetonitrile at 50℃; for 3h; Reagent/catalyst; Solvent;85%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

di-4-methoxyphenylzinc
97302-05-1

di-4-methoxyphenylzinc

2,3,4,6-tetra-O-pivaloyl 1-(2-anisyl)-1-deoxy-β-D-glucopyranose
1283129-20-3

2,3,4,6-tetra-O-pivaloyl 1-(2-anisyl)-1-deoxy-β-D-glucopyranose

Conditions
ConditionsYield
In dibutyl ether; toluene at 90℃;85%
With bis(pentafluorophenyl)zinc In (2)H8-toluene at 25℃; for 2h; Schlenk technique; Inert atmosphere; diastereoselective reaction;99 %Spectr.
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

methyl L-fucopyranoside
14687-15-1

methyl L-fucopyranoside

methyl 3-O-(2’,3’,4’,6’-tetra-O-pivaloyl-β-D-glucopyranosyl)-α-L-fucopyranoside
1330004-29-9

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

Conditions
ConditionsYield
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;84%
With diphenylborate ethanolamine ester; silver(l) oxide In acetonitrile at 23℃; for 16h; Koenigs-Knorr synthesis; Inert atmosphere; regioselective reaction;81%
Stage #1: methyl L-fucopyranoside With diphenyltin(IV) dichloride In acetonitrile at 20℃; for 0.166667h;
Stage #2: 2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide With 5,5'-dimethyl-2,2'-bipyridine; silver(l) oxide In acetonitrile at 20 - 60℃; for 24h; Koenigs-Knorr Glycosidation; stereoselective reaction;
65%
2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide
81058-27-7

2,3,4,6-tetra-O-pivaloyl-α-D-glucopyranosyl bromide

2,3,4,6-tetra-O-pivaloyl-1,5-anhydro-D-arabino-hex-enitol
141514-11-6

2,3,4,6-tetra-O-pivaloyl-1,5-anhydro-D-arabino-hex-enitol

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane for 4h; Ambient temperature;83%
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