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Wuhu Nuowei Chemistry Technologies Co., Ltd.

Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma

2'-OMe Cytidine

Cas:2140-72-9

Min.Order:100 Gram

Negotiable

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2'-O-Methylcytidine supplier in China

Cas:2140-72-9

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

High quality 2'-O-Methylcytidine CAS 2140-72-9 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed

High quality 2'-O-Methylcytidine CAS 2140-72-9 with factory price

Cas:2140-72-9

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price API 99% 2'-O-Methylcytidine 2140-72-9 GMP Manufacturer

Cas:2140-72-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can

2'-O-Methylcytidine CAS:2140-72-9

Cas:2140-72-9

Min.Order:1 Metric Ton

FOB Price: $520.0 / 888.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

New production CAS 2140-72-9 with best quality

Cas:2140-72-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Cytidine, 2'-O-methyl- 2140-72-9

Cas:2140-72-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

2140-72-9 Application:2140-72-9

2140-72-9

Cas:2140-72-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

About Product Details

China Biggest Factory Manufacturer Supply 2'-O-Methylcytidine CAS 2140-72-9

Cas:2140-72-9

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

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

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:1 Kilogram

FOB Price: $80.0 / 100.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Cytidine, 2'-O-methyl-

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white powder Storage:?20°C Package:As customer request Application:Used for research and industrial manufacture.Cytidine analog. Transportation:Common products:Sea/Air/Courier Dangerous Chem:Sea/Air

2'-O-methylcytidine

Cas:2140-72-9

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:0 Metric Ton

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

2'-O-Methyl-cytidine;2'-OMe-C

Cas:2140-72-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

YUNBIO TECH CO.,LTD

Our Strength: -Flexible: We work in small teams with rapid communication channels. Respond quickly and efficiently to customer and market needs. -Innovative: We are focusing on the development of new products and keep close relationships with

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

2'-O-Methylcytidine

Cas:2140-72-9

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

2'-O-Methylcytidine

Cas:2140-72-9

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

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Manufacturers

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

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

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

2'-O-methylcytidine cas no. 2140-72-9 98%

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

2'-O-methylcytidine

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

2'-O-methylcytidine

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:It is an impo

2140-72-9 supplier in China

Cas:2140-72-9

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

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 2'-O-Methylcytidine 1g

Cas:2140-72-9

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

2'-O-Methylcytidine

Cas:2140-72-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

3',5'-di-O-acetyl-2'-O-methylcytidine
1085342-86-4

3',5'-di-O-acetyl-2'-O-methylcytidine

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With ammonia In methanol at 20℃;99%
3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disilyl)-2'-O-methylcytidine
97626-19-2

3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disilyl)-2'-O-methylcytidine

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃;96%
N4-benzoyl-3',5'-di-O-benzoyl-2'-O-methylcytidine
73793-16-5

N4-benzoyl-3',5'-di-O-benzoyl-2'-O-methylcytidine

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With ammonia In methanol at 4℃; for 48h;80%
magnesium ethylate
2414-98-4

magnesium ethylate

2,2'-anhydrocytidine hydrochloride

2,2'-anhydrocytidine hydrochloride

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
In methanol for 5h; Reflux;76%
CYTIDINE
65-46-3

CYTIDINE

A

3'-O-Methylcytidine
20594-00-7

3'-O-Methylcytidine

B

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With tin(ll) chloride In methanol; 1,2-dimethoxyethane for 0.333333h; Ambient temperature;A 14%
B 69%
dibutyldimethoxytin In methanol Mechanism;
dibutyldimethoxytin In methanol
trimethylsulphonium hydroxide
17287-03-5

trimethylsulphonium hydroxide

CYTIDINE
65-46-3

CYTIDINE

A

3'-O-Methylcytidine
20594-00-7

3'-O-Methylcytidine

B

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

C

N3-methylcytidine
2140-64-9

N3-methylcytidine

Conditions
ConditionsYield
With copper acetylacetonate In N,N-dimethyl-formamide at 70℃; for 1h;A 22%
B 60%
C 3%
In N,N-dimethyl-formamide at 70℃; for 1h;A 7%
B 28%
C 13%
With copper acetylacetonate In N,N-dimethyl-formamide at 70℃; for 1h; Product distribution; without metallo-organic compound;
In methanol; N,N-dimethyl-formamide at 70℃; for 1h; Title compound not separated from byproducts;A 7 % Spectr.
B 28 % Spectr.
C 13 % Spectr.
In methanol; N,N-dimethyl-formamide at 70℃; Title compound not separated from byproducts;A n/a
B 28 % Spectr.
C 13 % Spectr.
trimethylsulphonium hydroxide
17287-03-5

trimethylsulphonium hydroxide

CYTIDINE
65-46-3

CYTIDINE

A

3'-O-Methylcytidine
20594-00-7

3'-O-Methylcytidine

B

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With magnesium(II) acetylacetonate In methanol; N,N-dimethyl-formamide at 70℃; for 1h; Product distribution; absence of metal ion;A 2%
B 43%
With magnesium(II) acetylacetonate In methanol; N,N-dimethyl-formamide at 70℃; for 1h;A 2%
B 43%
trimethylphenylammonium hydroxide
1899-02-1

trimethylphenylammonium hydroxide

CYTIDINE
65-46-3

CYTIDINE

A

3-methyluridine
2140-69-4

3-methyluridine

B

3'-O-Methylcytidine
20594-00-7

3'-O-Methylcytidine

C

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃;A n/a
B 3 % Spectr.
C 24%
In N,N-dimethyl-formamide at 100℃;A 22 % Spectr.
B 4 % Spectr.
C 21%
1-methyl-1-nitrosourea
684-93-5

1-methyl-1-nitrosourea

CYTIDINE
65-46-3

CYTIDINE

A

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

B

N3-methylcytidine
2140-64-9

N3-methylcytidine

Conditions
ConditionsYield
With borax In water; formamide at 50℃; for 18h;A 5%
B n/a
CYTIDINE
65-46-3

CYTIDINE

methyl iodide
74-88-4

methyl iodide

A

3'-O-Methylcytidine
20594-00-7

3'-O-Methylcytidine

B

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With sodium hydride 1) DMF, 0 deg C, 45 min, 2a) 0 deg C, 2.5 h, 2b) r.t., 1 h; Multistep reaction. Yields of byproduct given;
With sodium hydride 1) DMF, 0 deg C, 45 min, 2a) 0 deg C, 2.5 h, 2b) r.t., 1 h; Yield given. Multistep reaction;
N-{1-[(2R,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-4-yl}-3-methyl-butyramide

N-{1-[(2R,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-4-yl}-3-methyl-butyramide

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With dichloro-acetic acid; ammonium hydroxide
Trimethyl borate
121-43-7

Trimethyl borate

2,2'-anhydro-1-(β-D-arabinofuranosyl)cytosine acetate
10212-28-9

2,2'-anhydro-1-(β-D-arabinofuranosyl)cytosine acetate

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
With methanol; boron trifluoride for 48h; Ring cleavage; Heating;
1-(3',5'-O-1,1,3,3-tetraisopropyl-1,3-disilyl)-β-D-ribofuranosyl-4-(2-nitrophenyl)-2-pyrimidinone
108782-90-7

1-(3',5'-O-1,1,3,3-tetraisopropyl-1,3-disilyl)-β-D-ribofuranosyl-4-(2-nitrophenyl)-2-pyrimidinone

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 81 percent / silver oxide / acetone / 72 h / 20 °C
2: 75 percent / ammonia / tetrahydrofuran
3: 96 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
View Scheme
1-(3',5'-O-1,1,3,3-tetraisopropyl-1,3-disilyl)-β-D-ribofuranosyl-2'-O-methyl-4-(2-nitrophenyl)-2-pyrimidinone
110567-19-6

1-(3',5'-O-1,1,3,3-tetraisopropyl-1,3-disilyl)-β-D-ribofuranosyl-2'-O-methyl-4-(2-nitrophenyl)-2-pyrimidinone

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / ammonia / tetrahydrofuran
2: 96 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
View Scheme
4-(2-Nitro-phenoxy)-1-((2R,3R,3aR,9aR)-5,5,7,7-tetraisopropyl-3-trimethylsilanyloxy-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-1H-pyrimidin-2-one

4-(2-Nitro-phenoxy)-1-((2R,3R,3aR,9aR)-5,5,7,7-tetraisopropyl-3-trimethylsilanyloxy-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-1H-pyrimidin-2-one

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1.12 g / p-toluenesulfonic acid / CH2Cl2 / 0.03 h / 20 °C
2: 81 percent / silver oxide / acetone / 72 h / 20 °C
3: 75 percent / ammonia / tetrahydrofuran
4: 96 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
View Scheme
3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanediyl)-2'-O-(trimethylsilyl)uridine
415903-48-9

3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanediyl)-2'-O-(trimethylsilyl)uridine

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 1.) triethylamine, 2-mesitylenesulfonyl chloride, N,N-dimethylaminopyridine, 2.) 1,4-diazabicyclo<2.2.2>octane / 1.) dichloromethane, 30 min, 2.) dichloromethane, 60 min
2: 1.12 g / p-toluenesulfonic acid / CH2Cl2 / 0.03 h / 20 °C
3: 81 percent / silver oxide / acetone / 72 h / 20 °C
4: 75 percent / ammonia / tetrahydrofuran
5: 96 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
View Scheme
uridine
58-96-8

uridine

aqueous H3PO4

aqueous H3PO4

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: pyridine / 20 °C
2: triethylamine / CH2Cl2 / 0.25 h / 20 °C
3: 1.) triethylamine, 2-mesitylenesulfonyl chloride, N,N-dimethylaminopyridine, 2.) 1,4-diazabicyclo<2.2.2>octane / 1.) dichloromethane, 30 min, 2.) dichloromethane, 60 min
4: 1.12 g / p-toluenesulfonic acid / CH2Cl2 / 0.03 h / 20 °C
5: 81 percent / silver oxide / acetone / 72 h / 20 °C
6: 75 percent / ammonia / tetrahydrofuran
7: 96 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
View Scheme
3',5'-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)uridine
69304-38-7

3',5'-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)uridine

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: triethylamine / CH2Cl2 / 0.25 h / 20 °C
2: 1.) triethylamine, 2-mesitylenesulfonyl chloride, N,N-dimethylaminopyridine, 2.) 1,4-diazabicyclo<2.2.2>octane / 1.) dichloromethane, 30 min, 2.) dichloromethane, 60 min
3: 1.12 g / p-toluenesulfonic acid / CH2Cl2 / 0.03 h / 20 °C
4: 81 percent / silver oxide / acetone / 72 h / 20 °C
5: 75 percent / ammonia / tetrahydrofuran
6: 96 percent / tetrabutylammonium fluoride / tetrahydrofuran / 20 °C
View Scheme
1,3,5-tri-O-benzoyl-2-O-methyl-α-D-ribofuranose
68045-07-8

1,3,5-tri-O-benzoyl-2-O-methyl-α-D-ribofuranose

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) HMDS, (NH4)2SO4, 2.) SnCl4 / 1.) reflux, overnight, 2.) dichloroethane, reflux, 60 min
2: 80 percent / NH3 / methanol / 48 h / 4 °C
View Scheme
1,3,5-tri-O-benzoyl-α-D-ribofuranoside
22224-41-5

1,3,5-tri-O-benzoyl-α-D-ribofuranoside

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 74 percent / BF3*(C2H5)2O / CH2Cl2 / 0 °C
2: 1.) HMDS, (NH4)2SO4, 2.) SnCl4 / 1.) reflux, overnight, 2.) dichloroethane, reflux, 60 min
3: 80 percent / NH3 / methanol / 48 h / 4 °C
View Scheme
methanol-dichloromethane

methanol-dichloromethane

CYTIDINE
65-46-3

CYTIDINE

methyl iodide
74-88-4

methyl iodide

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

Conditions
ConditionsYield
In N-methyl-acetamide; methanol; ethanol; dichloromethane
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

5'-O-(tert-butyldimethylsilyl)-2'-O-methylcytidine
1171006-87-3

5'-O-(tert-butyldimethylsilyl)-2'-O-methylcytidine

Conditions
ConditionsYield
With pyridine at 20℃;100%
With pyridine at 20℃;100%
With pyridine at 20℃;
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
69304-37-6

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disilyl)-2'-O-methylcytidine
97626-19-2

3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disilyl)-2'-O-methylcytidine

Conditions
ConditionsYield
With pyridine for 1h; Ambient temperature;98%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

3',5'-O-bis(tert-butyldimethylsilyl)-2'-O-methylcytidine
367511-42-0

3',5'-O-bis(tert-butyldimethylsilyl)-2'-O-methylcytidine

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 18h;97.5%
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

5-bromo-2'-O-methylcytidine
494210-77-4

5-bromo-2'-O-methylcytidine

Conditions
ConditionsYield
With sodium azide; bromoisocyanuric acid monosodium salt In water; acetonitrile at 20℃; for 1.5h;78%
trimethylsulphonium iodide
2181-42-2

trimethylsulphonium iodide

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

1-((2R,3R,4R,5R)-4-Hydroxy-5-hydroxymethyl-3-methoxy-tetrahydro-furan-2-yl)-4-imino-3-methyl-3,4-dihydro-1H-pyrimidin-2-one
120057-51-4

1-((2R,3R,4R,5R)-4-Hydroxy-5-hydroxymethyl-3-methoxy-tetrahydro-furan-2-yl)-4-imino-3-methyl-3,4-dihydro-1H-pyrimidin-2-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 85℃; for 3.5h; Rate constant; Product distribution; Mechanism; other nucleosides and trimethylsulphonium hydroxide;67%
In N,N-dimethyl-formamide at 85℃; for 3.5h;67%
(S)-2-[(S)-(2,3,4,5,6-pentafluoro-phenoxy)-phenoxy-phosphorylamino]propionic acid isopropyl ester
1337529-56-2

(S)-2-[(S)-(2,3,4,5,6-pentafluoro-phenoxy)-phenoxy-phosphorylamino]propionic acid isopropyl ester

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

C22H31N4O9P

C22H31N4O9P

Conditions
ConditionsYield
Stage #1: 2'-O-methylcytidine With isopropylmagnesium chloride In tetrahydrofuran at 0 - 20℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: (S)-2-[(S)-(2,3,4,5,6-pentafluoro-phenoxy)-phenoxy-phosphorylamino]propionic acid isopropyl ester In tetrahydrofuran at 0 - 20℃; Schlenk technique; Inert atmosphere;
16.3%
benzoic acid anhydride
93-97-0

benzoic acid anhydride

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

2'-O-methyl-N4-benzoylcytidine
52571-45-6

2'-O-methyl-N4-benzoylcytidine

Conditions
ConditionsYield
In ethanol for 1h; Heating;0.38 g
(fluorenylmethoxy)carbonyl chloride
28920-43-6

(fluorenylmethoxy)carbonyl chloride

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

2'-O-methyl-4-N-(9-fluorenylmethoxycarbonyl)cytidine
135944-10-4

2'-O-methyl-4-N-(9-fluorenylmethoxycarbonyl)cytidine

Conditions
ConditionsYield
Yield given. Multistep reaction;
trimethylsulphonium hydroxide
17287-03-5

trimethylsulphonium hydroxide

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

A

1-((2R,3R,4R,5R)-4-Hydroxy-5-hydroxymethyl-3-methoxy-tetrahydro-furan-2-yl)-4-imino-3-methyl-3,4-dihydro-1H-pyrimidin-2-one
120057-51-4

1-((2R,3R,4R,5R)-4-Hydroxy-5-hydroxymethyl-3-methoxy-tetrahydro-furan-2-yl)-4-imino-3-methyl-3,4-dihydro-1H-pyrimidin-2-one

B

N4,O2'-dimethylcytidine
13048-95-8

N4,O2'-dimethylcytidine

C

O2',O3'-dimethyl-cytidine
34218-86-5

O2',O3'-dimethyl-cytidine

Conditions
ConditionsYield
In methanol; N,N-dimethyl-formamide at 70℃; for 1h; Title compound not separated from byproducts;A 34 % Spectr.
B 21 % Spectr.
C 8 % Spectr.
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

5'-O-monomethoxytrityl 2'-O-methyl-N-benzoylcytidine
86872-24-4

5'-O-monomethoxytrityl 2'-O-methyl-N-benzoylcytidine

Conditions
ConditionsYield
Multistep reaction;
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

4-Amino-1-((2R,3R,4R,5R)-3-methoxy-4-trimethylsilanyloxy-5-trimethylsilanyloxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one

4-Amino-1-((2R,3R,4R,5R)-3-methoxy-4-trimethylsilanyloxy-5-trimethylsilanyloxymethyl-tetrahydro-furan-2-yl)-1H-pyrimidin-2-one

Conditions
ConditionsYield
In pyridine 0 deg C -> r.t. for 1-2 h;
With pyridine Silylation;
acetic anhydride
108-24-7

acetic anhydride

2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

N4-acetyl-2'-O-methyl cytidine
113886-71-8

N4-acetyl-2'-O-methyl cytidine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; Acetylation;0.94 g
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

5-bromo-3'-O-[(tert-butyldimethyl)silyl]-2'-O-methylcytidine
444019-26-5

5-bromo-3'-O-[(tert-butyldimethyl)silyl]-2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 97.5 percent / imidazole / dimethylformamide / 18 h / 20 °C
2: 83 percent / LiBr; ammonium ceric(IV) nitrate / acetonitrile / 3 h / 20 °C
3: 40 percent / aq. AcOH / 6 h / 50 °C
View Scheme
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

5-bromo-3',5'-O-bis[(tert-butyldimethyl)silyl]-2'-O-methylcytidine
848860-93-5

5-bromo-3',5'-O-bis[(tert-butyldimethyl)silyl]-2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 97.5 percent / imidazole / dimethylformamide / 18 h / 20 °C
2: 83 percent / LiBr; ammonium ceric(IV) nitrate / acetonitrile / 3 h / 20 °C
View Scheme
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

N4-(4,4'-dimethoxytrityl)-2'-O-methylcytidine
444019-24-3

N4-(4,4'-dimethoxytrityl)-2'-O-methylcytidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 97.5 percent / imidazole / dimethylformamide / 18 h / 20 °C
2: DMAP; pyridine / 20 °C
3: 1.8 g / triethylamine trihydrofluoride; triethylamine / tetrahydrofuran / 20 °C
View Scheme
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

2,2-dimethyl-thiopropionic acid S-(2-{[5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-2-hydroxymethyl-4-methoxy-tetrahydro-furan-3-yloxy]-[2-(2,2-dimethyl-propionylsulfanyl)-ethoxy]-phosphoryloxy}-ethyl) ester

2,2-dimethyl-thiopropionic acid S-(2-{[5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-2-hydroxymethyl-4-methoxy-tetrahydro-furan-3-yloxy]-[2-(2,2-dimethyl-propionylsulfanyl)-ethoxy]-phosphoryloxy}-ethyl) ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 97.5 percent / imidazole / dimethylformamide / 18 h / 20 °C
2.1: DMAP; pyridine / 20 °C
3.1: 1.8 g / triethylamine trihydrofluoride; triethylamine / tetrahydrofuran / 20 °C
4.1: 1H-tetrazole / acetonitrile / 20 °C
4.2: 3-chloroperbenzoic acid / CH2Cl2 / 20 °C
4.3: aq. AcOH / methanol / 55 °C
View Scheme
2'-O-methylcytidine
2140-72-9

2'-O-methylcytidine

2'-O-methylcytidine-5'-[bis-(S-pivaloyl-2-thioethyl)phosphate]

2'-O-methylcytidine-5'-[bis-(S-pivaloyl-2-thioethyl)phosphate]

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 97.5 percent / imidazole / dimethylformamide / 18 h / 20 °C
2.1: DMAP; pyridine / 20 °C
3.1: 1.8 g / triethylamine trihydrofluoride; triethylamine / tetrahydrofuran / 20 °C
4.1: 1H-tetrazole / acetonitrile / 20 °C
4.2: 3-chloroperbenzoic acid / CH2Cl2 / 20 °C
4.3: 22 percent / aq. AcOH / methanol / 55 °C
View Scheme

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