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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

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribose

Cas:4613-71-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

D-erythro-Pentofuranose,3-deoxy-, 1,2-diacetate 5-benzoate

Cas:4613-71-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose CAS:4613-71-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose CAS:4613-71-2

Cas:4613-71-2

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

D-erythro-Pentofuranose,3-deoxy-, 1,2-diacetate 5-benzoate

Cas:4613-71-2

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

D-erythro-Pentofuranose,3-deoxy-, 1,2-diacetate 5-benzoate

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

NewCan Biotech Limited

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

D-?erythro-?Pentofuranose,3-?deoxy-?,1,?2-?diacetate5-?benzoate

Cas:4613-71-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

D-erythro-Pentofuranose,3-deoxy-, 1,2-diacetate 5-benzoate

Cas:4613-71-2

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,

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

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

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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/5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

D-erythro-Pentofuranose,3-deoxy-, 1,2-diacetate 5-benzoate

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our advantage:Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientif

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

D-erythro-Pentofuranose,3-deoxy-, 1,2-diacetate 5-benzoate

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose Application:TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

best seller Application:API

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystals powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as

5-o-Benzoyl-1,2-di-o-acetyl-3-deoxy-D-riboFuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranoseAppearance:white powder Storage:room temperature Package:200KG Application:Industrial Grade Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airpor

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

4613-71-2

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Saiwante (shanghai) New Material Technology Co., Ltd.

Stable supply of goods and provision of high-quality services Application:As raw materials in the field of medicine and biology

TIANFU-CHEM 5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5-O-Benzoyl-1,2-di-O-acetyl-3-deoxy-D-ribofuranose

Cas:4613-71-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

[(3aR,5S,6aR)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl]methyl benzoate
4105-29-7

[(3aR,5S,6aR)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl]methyl benzoate

acetic anhydride
108-24-7

acetic anhydride

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

Conditions
ConditionsYield
Stage #1: [(3aR,5S,6aR)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl]methyl benzoate With acetic acid for 2h; Heating;
Stage #2: acetic anhydride With pyridine; dmap at 20℃; Further stages.;
80%
With sulfuric acid In acetic acid52%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

2,4-bis(trimethylsiloxy)-5-methylpyrimidine
7288-28-0

2,4-bis(trimethylsiloxy)-5-methylpyrimidine

2'-O-acetyl-5'-O-benzoyl-3'-deoxy-5-methyluridine
143653-60-5

2'-O-acetyl-5'-O-benzoyl-3'-deoxy-5-methyluridine

Conditions
ConditionsYield
With tin(IV) chloride In acetonitrile93%
4-N-Acetylcytosine
14631-20-0

4-N-Acetylcytosine

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

3'-deoxycytidine
7057-33-2

3'-deoxycytidine

Conditions
ConditionsYield
Stage #1: 4-N-Acetylcytosine; 5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose With benzenesulfonamide In acetonitrile for 1h; Heating;
Stage #2: With trimethylsilyl trifluoromethanesulfonate at 20℃; for 5h;
Stage #3: With ammonium hydroxide In tetrahydrofuran; methanol at 50℃; for 6h; Further stages.;
90%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

2-O-acetyl-5-O-benzoyl-3-deoxy-β-D-erythro-pentofuranosyl azide

2-O-acetyl-5-O-benzoyl-3-deoxy-β-D-erythro-pentofuranosyl azide

Conditions
ConditionsYield
With trimethylsilylazide; tin(IV) chloride In dichloromethane at 23℃; for 12h; azidation;74%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

N6-isobutyrylaminocytosine
97626-98-7

N6-isobutyrylaminocytosine

2'-O-Acetyl-5'-O-benzoyl-4-N-isobutyryl-3'-deoxycytidine
159217-63-7

2'-O-Acetyl-5'-O-benzoyl-4-N-isobutyryl-3'-deoxycytidine

Conditions
ConditionsYield
With tin(IV) chloride In 1,2-dichloro-ethane at 27℃; for 20h;62%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

C6H2ClN5
1343405-24-2

C6H2ClN5

C20H16ClN5O5
1343405-28-6

C20H16ClN5O5

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In acetonitrile for 1h; Reflux;61%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

5-methyltetrazole
4076-36-2

5-methyltetrazole

Benzoic acid (2S,4R,5R)-4-acetoxy-5-(5-methyl-tetrazol-2-yl)-tetrahydro-furan-2-ylmethyl ester

Benzoic acid (2S,4R,5R)-4-acetoxy-5-(5-methyl-tetrazol-2-yl)-tetrahydro-furan-2-ylmethyl ester

Conditions
ConditionsYield
In ethylenediamine for 48h;54%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

2H-tetrazole
288-94-8

2H-tetrazole

Benzoic acid (2S,4R,5R)-4-acetoxy-5-tetrazol-2-yl-tetrahydro-furan-2-ylmethyl ester

Benzoic acid (2S,4R,5R)-4-acetoxy-5-tetrazol-2-yl-tetrahydro-furan-2-ylmethyl ester

Conditions
ConditionsYield
In ethylenediamine for 48h;51%
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

N-(6,8-dioxo-7-(4-(trifluoromethyl)benzyl)-6,7,8,9-tetrahydro-1H-purin-2-yl)acetamide

N-(6,8-dioxo-7-(4-(trifluoromethyl)benzyl)-6,7,8,9-tetrahydro-1H-purin-2-yl)acetamide

((2S,4R,5R)-5-(2-acetamido-6,8-dioxo-7-(4-(trifluoromethyl)benzyl)-1,6,7,8-tetrahydro-9H purin-9-yl)-4-acetoxytetrahydrofuran-2-yl)methyl benzoate

((2S,4R,5R)-5-(2-acetamido-6,8-dioxo-7-(4-(trifluoromethyl)benzyl)-1,6,7,8-tetrahydro-9H purin-9-yl)-4-acetoxytetrahydrofuran-2-yl)methyl benzoate

Conditions
ConditionsYield
Stage #1: 5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose; N-(6,8-dioxo-7-(4-(trifluoromethyl)benzyl)-6,7,8,9-tetrahydro-1H-purin-2-yl)acetamide With N,O-bis-(trimethylsilyl)-acetamide In 1,2-dichloro-ethane at 80℃; for 0.5h; Inert atmosphere;
Stage #2: With trimethylsilyl trifluoromethanesulfonate In 1,2-dichloro-ethane at 80℃; for 3h;
11%
(Ac)G(TMS)2
42890-94-8

(Ac)G(TMS)2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

A

N2-acetyl-2'-O-acetyl-5'-O-benzoyl-3'-deoxyguanosine

N2-acetyl-2'-O-acetyl-5'-O-benzoyl-3'-deoxyguanosine

B

Benzoic acid (2S,4R,5R)-4-acetoxy-5-(2-acetylamino-6-oxo-1,6-dihydro-purin-7-yl)-tetrahydro-furan-2-ylmethyl ester

Benzoic acid (2S,4R,5R)-4-acetoxy-5-(2-acetylamino-6-oxo-1,6-dihydro-purin-7-yl)-tetrahydro-furan-2-ylmethyl ester

Conditions
ConditionsYield
Yield given. Yields of byproduct given;
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

5-phenyl-2H-1,2,3,4-tetrazole
18039-42-4

5-phenyl-2H-1,2,3,4-tetrazole

Benzoic acid (2S,4R,5R)-4-acetoxy-5-(5-phenyl-tetrazol-2-yl)-tetrahydro-furan-2-ylmethyl ester

Benzoic acid (2S,4R,5R)-4-acetoxy-5-(5-phenyl-tetrazol-2-yl)-tetrahydro-furan-2-ylmethyl ester

Conditions
ConditionsYield
With tin(IV) chloride 1.) acetonitrile, 0 deg C, 1 h, 2.) 50 deg C, 2 h; Yield given. Multistep reaction;
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

4-amino-8H-pyrido[2,3-d]pyrimidin-5-one
306960-30-5

4-amino-8H-pyrido[2,3-d]pyrimidin-5-one

A

benzoic acid 4-acetoxy-5-(4-amino-5-oxo-5H-pyrido[2,3-d]pyrimidin-8-yl)-tetrahydro-furan-2-ylmethyl ester
1053253-53-4

benzoic acid 4-acetoxy-5-(4-amino-5-oxo-5H-pyrido[2,3-d]pyrimidin-8-yl)-tetrahydro-furan-2-ylmethyl ester

B

benzoic acid 4-acetoxy-5-(4-amino-5-oxo-5H-pyrido[2,3-d]pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

benzoic acid 4-acetoxy-5-(4-amino-5-oxo-5H-pyrido[2,3-d]pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

Conditions
ConditionsYield
Stage #1: 4-aminopyrido[2,3-d]pyrimidin-5(8H)-one With N,O-bis-(trimethylsilyl)-acetamide In 1,2-dichloro-ethane at 75℃; for 2h;
Stage #2: 5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose With trimethylsilyl trifluoromethanesulfonate In 1,2-dichloro-ethane for 72h; Vorbrueggen reaction; Heating; Further stages.;
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

4-amino-5-oxo-8-(3-deoxy-β-D-ribofuranosyl)pyrido[2,3-d]pyrimidine

4-amino-5-oxo-8-(3-deoxy-β-D-ribofuranosyl)pyrido[2,3-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N,O-bis(trimethylsilyl)acetamide / 1,2-dichloro-ethane / 2 h / 75 °C
1.2: trimethylsilyl triflate / 1,2-dichloro-ethane / 72 h / Heating
2.1: NH3 / methanol / 20 h / 20 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

Benzoic acid (2S,4R,5S)-4-acetoxy-5-azido-tetrahydro-furan-2-ylmethyl ester

Benzoic acid (2S,4R,5S)-4-acetoxy-5-azido-tetrahydro-furan-2-ylmethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 74 percent / Me3SiN3 / SnCl4 / CH2Cl2 / 12 h / 23 °C
2: SnCl4 / Me3SiOAc / CH2Cl2 / 192 h / 23 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

3'-deoxycytidine
7057-33-2

3'-deoxycytidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 62 percent / SnCl4 / 1,2-dichloro-ethane / 20 h / 27 °C
2: 98 percent / NH3 / methanol / 12 h / 25 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

4-(N-Isobutyryl)-3'-deoxycytidine
159217-64-8

4-(N-Isobutyryl)-3'-deoxycytidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 62 percent / SnCl4 / 1,2-dichloro-ethane / 20 h / 27 °C
2: 98 percent / NH3 / methanol / 12 h / 25 °C
3: 77 percent / dimethylformamide / 18 h / 25 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

4-(N-Isobutyryl)-5'-O-(4,4'-dimethoxytrityl)-3'-deoxycytidine
159217-65-9

4-(N-Isobutyryl)-5'-O-(4,4'-dimethoxytrityl)-3'-deoxycytidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 62 percent / SnCl4 / 1,2-dichloro-ethane / 20 h / 27 °C
2: 98 percent / NH3 / methanol / 12 h / 25 °C
3: 77 percent / dimethylformamide / 18 h / 25 °C
4: 84 percent / pyridine / 24 h / 25 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

4-(N-Isobutyryl)-5'-O-(4,4'-dimethoxytrityl)-3'-deoxycytidine 2'-O-(2-cyanoethyl N,N-diisopropylphosphoramidite)

4-(N-Isobutyryl)-5'-O-(4,4'-dimethoxytrityl)-3'-deoxycytidine 2'-O-(2-cyanoethyl N,N-diisopropylphosphoramidite)

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 62 percent / SnCl4 / 1,2-dichloro-ethane / 20 h / 27 °C
2: 98 percent / NH3 / methanol / 12 h / 25 °C
3: 77 percent / dimethylformamide / 18 h / 25 °C
4: 84 percent / pyridine / 24 h / 25 °C
5: 86 percent / diisopropylammonium tetrazolide / CH2Cl2 / 7 h / 25 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

3'-deoxy-5'-O-dimethoxytrityl-5-methyluridine
143653-61-6

3'-deoxy-5'-O-dimethoxytrityl-5-methyluridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 93 percent / SnCl4 / acetonitrile
2: 94 percent / K2CO3, MeOH / Heating
3: 81 percent / pyridine
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

Diisopropyl-phosphoramidous acid (2R,3R,5S)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester
142103-12-6

Diisopropyl-phosphoramidous acid (2R,3R,5S)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 93 percent / SnCl4 / acetonitrile
2: 94 percent / K2CO3, MeOH / Heating
3: 81 percent / pyridine
4: 66 percent / iPr2NEt / tetrahydrofuran
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

3'-deoxy-5-methyluridine
7084-29-9

3'-deoxy-5-methyluridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 93 percent / SnCl4 / acetonitrile
2: 94 percent / K2CO3, MeOH / Heating
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

C8H13N3O2Si

C8H13N3O2Si

{(2S,4R,5R)-4-(acetyloxy)-5-[3-(aminocarbonyl)-2-oxo-1(2H)-pyrazinyl]tetrahydro-2-furanyl}methyl benzoate
499785-77-2

{(2S,4R,5R)-4-(acetyloxy)-5-[3-(aminocarbonyl)-2-oxo-1(2H)-pyrazinyl]tetrahydro-2-furanyl}methyl benzoate

Conditions
ConditionsYield
With tin(IV) chloride In acetonitrile at 20℃; for 0.5h;
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

5-aminothaizolo<4,5-d>pyrimidine-2,7(3H,6H)-dione
30161-97-8

5-aminothaizolo<4,5-d>pyrimidine-2,7(3H,6H)-dione

[(2S,4R,5R)-4-acetoxy-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)tetrahydrofuran-2-yl]methyl benzoate

[(2S,4R,5R)-4-acetoxy-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)tetrahydrofuran-2-yl]methyl benzoate

Conditions
ConditionsYield
Stage #1: 5-aminothiazolo<4,5-d>pyrimidine-2,7(3H,6H)-dione With N,O-bis-(trimethylsilyl)-acetamide In acetonitrile at 20 - 70℃; for 0.5h; Inert atmosphere;
Stage #2: 5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose With trimethylsilyl trifluoromethanesulfonate In acetonitrile at 70℃; for 14h; Inert atmosphere;
5.7 g
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

5-amino-3-[(2R,3R,5S)-3-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-6H-thiazolo[4,5-d]pyrimidine-2,7-dione

5-amino-3-[(2R,3R,5S)-3-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-6H-thiazolo[4,5-d]pyrimidine-2,7-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N,O-bis-(trimethylsilyl)-acetamide / acetonitrile / 0.5 h / 20 - 70 °C / Inert atmosphere
1.2: 14 h / 70 °C / Inert atmosphere
2.1: potassium carbonate / methanol / 3.5 h / 20 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

[(2S,4R,5R)-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)-4-hydroxy-tetrahydrofuran-2-yl]methyl benzoate

[(2S,4R,5R)-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)-4-hydroxy-tetrahydrofuran-2-yl]methyl benzoate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N,O-bis-(trimethylsilyl)-acetamide / acetonitrile / 0.5 h / 20 - 70 °C / Inert atmosphere
1.2: 14 h / 70 °C / Inert atmosphere
2.1: potassium carbonate / methanol / 3.5 h / 20 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

5-amino-3-[(2R,3R,5S)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-hydroxy-tetrahydrofuran-2-yl]-6H-thiazolo[4,5-d]pyrimidine-2,7-dione

5-amino-3-[(2R,3R,5S)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-hydroxy-tetrahydrofuran-2-yl]-6H-thiazolo[4,5-d]pyrimidine-2,7-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: N,O-bis-(trimethylsilyl)-acetamide / acetonitrile / 0.5 h / 20 - 70 °C / Inert atmosphere
1.2: 14 h / 70 °C / Inert atmosphere
2.1: potassium carbonate / methanol / 3.5 h / 20 °C
3.1: 1H-imidazole / Petroleum ether; N,N-dimethyl-formamide / 2 h / 20 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

5-amino-3-[(2R,5S)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-oxo-tetrahydrofuran-2-yl]-6H-thiazolo[4,5-d]pyrimidine-2,7-dione

5-amino-3-[(2R,5S)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-oxo-tetrahydrofuran-2-yl]-6H-thiazolo[4,5-d]pyrimidine-2,7-dione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: N,O-bis-(trimethylsilyl)-acetamide / acetonitrile / 0.5 h / 20 - 70 °C / Inert atmosphere
1.2: 14 h / 70 °C / Inert atmosphere
2.1: potassium carbonate / methanol / 3.5 h / 20 °C
3.1: 1H-imidazole / Petroleum ether; N,N-dimethyl-formamide / 2 h / 20 °C
4.1: Dess-Martin periodane / tetrahydrofuran / 2 h / 20 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

[(2S,4R,5R)-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)-4-phenoxycarbothioyloxy-tetrahydrofuran-2-yl]methyl benzoate

[(2S,4R,5R)-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)-4-phenoxycarbothioyloxy-tetrahydrofuran-2-yl]methyl benzoate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: N,O-bis-(trimethylsilyl)-acetamide / acetonitrile / 0.5 h / 20 - 70 °C / Inert atmosphere
1.2: 14 h / 70 °C / Inert atmosphere
2.1: potassium carbonate / methanol / 3.5 h / 20 °C
3.1: dmap / dichloromethane / 20 °C
View Scheme
5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose
4613-71-2

5-O-benzoyl-3-deoxy-1,2-di-O-acetyl-α,β-D-erythro-pentofuranose

[(2S,4R,5R)-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)-4-(2-methylallyl)tetrahydrofuran-2-yl]methyl benzoate

[(2S,4R,5R)-5-(5-amino-2,7-dioxo-6H-thiazolo[4,5-d]pyrimidin-3-yl)-4-(2-methylallyl)tetrahydrofuran-2-yl]methyl benzoate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: N,O-bis-(trimethylsilyl)-acetamide / acetonitrile / 0.5 h / 20 - 70 °C / Inert atmosphere
1.2: 14 h / 70 °C / Inert atmosphere
2.1: potassium carbonate / methanol / 3.5 h / 20 °C
3.1: dmap / dichloromethane / 20 °C
4.1: 2,2'-azobis(isobutyronitrile) / toluene / 4 h / 80 °C / Inert atmosphere
4.2: 2 h / 20 °C / Inert atmosphere
View Scheme

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