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SJZ THLD IMP & EXP CO LTD

CAS NO 118-00-3 Formula C10H13N5O5 Molecular Weight 283.24 EINECS 204-227-8 Appearance White crystalline powder

Ribavirin

Cas:36791-04-5

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

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Siwei Development Group Ltd.

Product name: Ribavirin CAS No.:36791-04-5 Molecule Formula:C8H12N4O5 Molecule Weight:244.20 Purity: 99.9% Package: 25kg/drum Description:White crystals or crystalline powder Manufacture Standards:CP, USP,EP Testin

High purity Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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

Ribavirin Manufacturer/High quality/Best price/In stock

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

99% up GMP DMF Ribavirin 36791-04-5

Cas:36791-04-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White crystalline powder Conforms Identificat

High purity ribavirin with high quality and best price cas:36791-04-5

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $50.0 / 70.0

Type:Manufacturers

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C

Lidocaine hydrochloride injection 5ml/100mg;10ml/200mg

Cas:36791-04-5

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of Ribavirin Cas 36791-04-5 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:Cool dry place Package:25kg/drum App

99% USP Ribavirin Cas 36791-04-5 with high quality and competitive price

Cas:36791-04-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car

Factory supply Ribavirin

Cas:36791-04-5

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Xi'an Quanao Biotech Co., Ltd.

Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi

Free sample 99% Ribavirin powder CAS:36791-04-5

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $29.0 / 39.0

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available 5, R

Ribavirin Cas No. 36791-04-5

Cas:36791-04-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Located in Zhengdong New District, Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is comprehensive high-tech modern enterprises integrating professional R&D, production and sales. Strong technical force, with a long

Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

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

Factory Supply Ribavirin

Cas:36791-04-5

Min.Order:1

Negotiable

Type:Other

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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% Ribavirin 36791-04-5 ISO Producer

Cas:36791-04-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

CHemwill -- Ribavirin

Cas:36791-04-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:ribavirin CAS NO: 36791-04-5 Grade:Medical scientific research and export Molecular formula:C8H12N4O5 Molecular weight:244.2047 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data

ribavirin/cas:36791-04-5/Raw material spot

Cas:36791-04-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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LIDE PHARMACEUTICALS LIMITED

LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.

Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $0.9 / 1.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Ribavirin Basic information Antiviral drugs Pharmacological effects Chemical Properties Application Production method Product Name: Ribavirin Synonyms:

Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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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 36791-04-5 with competitive price

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hubei Vanz Pharm Co.,Ltd

cas 36791-04-5 99% purity Ribavirin powder Product Name: Ribavirin CAS: 36791-04-5 MF: C8H12N4O5 MW: 244.21 EINECS: 636-825-3 Appearance:white Storage:room Package:drum Application:Ribavirin has a stronger antiviral effect than a

cas 36791-04-5 99% purity Ribavirin powder

Cas:36791-04-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name Ribavirin CAS 36791-04-5 Molecular formula C8H12N4O5 Molecular weight 244.2047 Appearance:White powder Storage:Sto

Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

Ribavirin CAS 36791-04-5 Colourless Solid for Pharmaceutical Raw materials

Cas:36791-04-5

Min.Order:10 Gram

Negotiable

Type:Other

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HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

Pharmaceutical Intermediates with High Purity 99% Ribavirin Powder CAS 36791-04-5 with Cheap Price

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediate

High quality Ribavirin 99% low price

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white crystalline powder Storage:Store in dry,

Ribavarin High purity CAS 36791-04-5

Cas:36791-04-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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 present

Antiviral drugs Ribavirin/CAS:36791-04-5

Cas:36791-04-5

Min.Order:200 Gram

FOB Price: $42.8 / 50.2

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Ribavirin CAS:36791-04-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates,

Ribavirin CAS:36791-04-5

Cas:36791-04-5

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

Ribavirin

Cas:36791-04-5

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

CAS NO.:36791-04-5

Cas:36791-04-5

Min.Order:0

Negotiable

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

Ribavirin

Cas:36791-04-5

Min.Order:1 Kilogram

FOB Price: $100.0 / 120.0

Type:Lab/Research institutions

inquiry

Synthetic route

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester
57198-04-6, 39925-10-5

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With ammonia at 20℃; under 5250.53 Torr; for 20h; Temperature; Pressure; Autoclave; Green chemistry;99.71%
With ammonia In methanol at 0℃; for 2.5h; Temperature; Solvent;97%
With methanol; ammonia at 10 - 20℃; for 18h; Autoclave;92.6%
methyl 1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylate
38934-69-9

methyl 1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With sodium methylate; diethylamine In methanol at 80℃; for 6h; Solvent;95%
With ammonia In methanol at 20℃; for 4h;
With ammonia In methanol for 5h; Autoclave;107.52 g
With ammonia In methanol at 20℃; for 4h;
3-cyano-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1,2,4-triazole
40371-99-1

3-cyano-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1,2,4-triazole

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With ammonium hydroxide; dihydrogen peroxide; platinum In methanol51.2%
Multi-step reaction with 3 steps
1: methanol / 2 h / 25 °C
2: methanol / 1 h / 50 °C
3: pH 7.4, phosphate buffer / Ambient temperature
View Scheme
1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

uridine
58-96-8

uridine

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With Enterobacter gergoviae CECT 875 in agar In phosphate buffer at 60℃; for 3h; pH=7.0; Enzymatic reaction;45%
With potassium phosphate buffer at 60℃; for 24h; Enterobakter aerogenes AJ 1125;
With Geobacillus kaustophilus ATCC 8005 entrapped in agarose matrix supplemented with bentonite In aq. phosphate buffer at 60℃; for 6h; pH=7; Reagent/catalyst; Green chemistry;
methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

1,2,3,5-tetraacetylribose
13035-61-5

1,2,3,5-tetraacetylribose

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With Bis(p-nitrophenyl) phosphate at 80 - 147℃; for 0.833333h; Temperature; Large scale;77.1%
ribavirin benzoate
58151-90-9

ribavirin benzoate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With pyrographite In dichloromethane; acetonitrile at 60℃; for 0.333333h;90.16 g
1-trimethylsilyl-1H-1,2,4-triazole-3-carboxamide

1-trimethylsilyl-1H-1,2,4-triazole-3-carboxamide

1,2,3,5-tetraacetylribose
13035-61-5

1,2,3,5-tetraacetylribose

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Stage #1: 1-trimethylsilyl-1H-1,2,4-triazole-3-carboxamide With ammonium sulfate; 1,1,1,3,3,3-hexamethyl-disilazane at 95℃; for 5h;
Stage #2: 1,2,3,5-tetraacetylribose With tin(ll) chloride In dichloromethane at 0℃; Temperature;
1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With 1A cells; E. coli BMT 4D In phosphate buffer at 60℃; for 30h; pH=7.5;70%
With phosphate buffer; purine nucleoside phosphorylase immobilised on AP-CPG-170 In water at 60℃; for 36h; pH=7.0;68%
at 60℃; catalyzation by purine nucleoside phosphorylase of Brevibacterium acetylicum ATCC 954, potassium phosphate buffered at pH 7.0; Yield given;
(2R,3R,4R,5R)-2-(acetoxymethyl)-5-(3-(ethoxycarbonyl)-1H-1,2,4-triazol-1-yl)tetrahydrofuran-3,4-diyl diacetate
535960-09-9

(2R,3R,4R,5R)-2-(acetoxymethyl)-5-(3-(ethoxycarbonyl)-1H-1,2,4-triazol-1-yl)tetrahydrofuran-3,4-diyl diacetate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With ammonia In methanol at 20℃; for 48.5h; Ice-bath;90%
methyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate
39925-12-7

methyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With ammonia In methanol overnight;91.3%
With ammonia In methanol at 20℃; for 24h;80%
1-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)-1H-1,2,4-triazol-3-carboxamid
72933-99-4

1-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)-1H-1,2,4-triazol-3-carboxamid

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; palladium In ethanol86%
7-methylinosine
33763-06-3

7-methylinosine

1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

A

7-methyl-1,7-dihydro-purin-6-one
1006-08-2

7-methyl-1,7-dihydro-purin-6-one

B

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With phosphate buffer; purine nucleoside phosphorylase In water at 25℃; for 48h; pH 7.4;A n/a
B 57%
1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

C11H15N5O5*HI
81100-62-1

C11H15N5O5*HI

A

7-methylguanine
578-76-7

7-methylguanine

B

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With phosphate buffer; purine nucleoside phosphorylase In water at 25℃; for 48h; pH 7.4;A n/a
B 54%
7-methylguanosine
22164-16-5

7-methylguanosine

1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

A

7-methylguanine
578-76-7

7-methylguanine

B

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With phosphate buffer; purine nucleoside phosphorylase In water at 25℃; for 48h; pH 7.4;A n/a
B 44%
α,β-D-ribofuranose-5-phophate disodium salt
108321-99-9, 150713-51-2

α,β-D-ribofuranose-5-phophate disodium salt

1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With 2-hydroxyethanethiol; manganese(ll) chloride; purine nucleoside phosphorylase In various solvent(s) at 45℃; for 1.5h; pH=7;100 % Chromat.
1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide
52663-90-8

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With ion exchanger Merck I (H+) In water; acetone Ambient temperature;90%
1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose
6974-32-9

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

methyl 1H-1,2,4-triazole-3-carboxylate
4928-88-5

methyl 1H-1,2,4-triazole-3-carboxylate

A

1-β-D-ribofuranosyl-1H-1,2,4-triazole-5-carboxamide
39030-43-8

1-β-D-ribofuranosyl-1H-1,2,4-triazole-5-carboxamide

B

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Stage #1: 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose; methyl 1H-1,2,4-triazole-3-carboxylate With N,O-bis-(trimethylsilyl)-acetamide; trimethylsilyl trifluoromethanesulfonate In acetonitrile at 130℃; for 0.0833333h; Vorbrueggen glycosylation; microwave irradiation;
Stage #2: With ammonia In methanol at 50℃; for 16h;
A 17%
B n/a
methanolic ammonia

methanolic ammonia

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate
206269-26-3

methyl 1-(2,3,5-tri-O-acetyl-β-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
In ethanol; water
methanolic ammonia

methanolic ammonia

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester
57198-04-6, 39925-10-5

1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
In ethanol; water
1-β-D-Ribofuranosyl-1H-1,2,4-triazol-3-carbonsaeure-ethylester
79451-07-3

1-β-D-Ribofuranosyl-1H-1,2,4-triazol-3-carbonsaeure-ethylester

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With ammonia In methanol Ambient temperature;76%
ethanol
64-17-5

ethanol

methyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate
39925-12-7

methyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazole-3-carboxylate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
In methanol
methyl 1-β-D-ribofuranosyl-1,2,4-triazole-3-carboximidate
120362-25-6

methyl 1-β-D-ribofuranosyl-1,2,4-triazole-3-carboximidate

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol / 1 h / 50 °C
2: pH 7.4, phosphate buffer / Ambient temperature
View Scheme
Amino(2,3,5-Tri-O-benzyl-D-ribofuranosylhydrazono)essigsaeure-ethylester
79437-73-3

Amino(2,3,5-Tri-O-benzyl-D-ribofuranosylhydrazono)essigsaeure-ethylester

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: toluene / 4 h / 100 °C
2: H2, 9.5 N ethanolic HCl / Pd / ethanol / 10 h
3: 76 percent / NH3 / methanol / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1: toluene / 4 h / 100 °C
2: 100 percent / NH3 / methanol / 12 h / Ambient temperature
3: 86 percent / H2, 9.5 N ethanolic HCl / Pd / ethanol
View Scheme
1-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)-1H-1,2,4-triazol-3-carbonsaeure-ethylester
79437-72-2

1-(2,3,5-Tri-O-benzyl-β-D-ribofuranosyl)-1H-1,2,4-triazol-3-carbonsaeure-ethylester

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2, 9.5 N ethanolic HCl / Pd / ethanol / 10 h
2: 76 percent / NH3 / methanol / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 100 percent / NH3 / methanol / 12 h / Ambient temperature
2: 86 percent / H2, 9.5 N ethanolic HCl / Pd / ethanol
View Scheme
1,2,4-triazole-3-carboxamide
3641-08-5

1,2,4-triazole-3-carboxamide

uridine
58-96-8

uridine

A

uracil
66-22-8

uracil

B

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
With aeromonas hydrophila CECT 4226 at 60℃; for 26h; pH=7; aq. phosphate buffer; Enzymatic reaction;A n/a
B 65%
1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose
6974-32-9

1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 47 percent / (CH3)3SiOSO2CF3 / 1,2-dichloro-ethane; acetonitrile / 4 h / 4 °C
2: 91.3 percent / NH3 / methanol / overnight
View Scheme
1,2,3,5-tetra-O-acetyl-D-ribofuranose
28708-32-9

1,2,3,5-tetra-O-acetyl-D-ribofuranose

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tin(IV) chloride / dichloromethane / 2 h / 5 - 20 °C / Heating / reflux
2: methanol; water; sodium methylate / 3.5 h / 10 °C
3: ammonia / methanol / 4 h / 20 °C
View Scheme
trifluoroacetic acid
76-05-1

trifluoroacetic acid

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide
52663-90-8

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide

ribavirin
36791-04-5

ribavirin

Inosine
58-63-9

Inosine

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: 136 °C
1.2: 60 - 100 °C
2.1: trifluorormethanesulfonic acid / 2 h / 135 °C / 55 Torr
3.1: ammonia / methanol / 40 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: methanesulfonic acid / 110 °C
2: Bis(p-nitrophenyl) phosphate / 2 h / 140 - 150 °C
3: methanol; ammonia / 18 h / 10 - 20 °C / Autoclave
View Scheme
Multi-step reaction with 3 steps
1: trifluoroacetic acid / 60 - 100 °C
2: trifluorormethanesulfonic acid / 90 °C
3: ammonia / methanol / 20 °C
View Scheme
inosine
58-63-9

inosine

ribavirin
36791-04-5

ribavirin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 55 percent / H2O / 3 h / 60 °C / phosphate buffer pH 7.0; purine nucleoside phosphorylase of Enterobacter aerogenes AJ 11125
2: Enterobacter aerogenes / 3 h / 60 °C / pH 8.0; also with further bacteria
View Scheme
Multi-step reaction with 3 steps
1: aluminum (III) chloride / methanol / 2 h / 60 °C
2: methanol; sodium iodide / 1 h / 65 °C
3: sodium methylate; diethylamine / methanol / 6 h / 80 °C
View Scheme
acetic anhydride
108-24-7

acetic anhydride

ribavirin
36791-04-5

ribavirin

2',3',5'-Tri-O-acetyl-1-β-D-ribofuranosyl-1,2,4-triazole-3-carboxamide
40372-03-0

2',3',5'-Tri-O-acetyl-1-β-D-ribofuranosyl-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
With pyridine at 20℃; for 22h; Concentration;100%
With pyridine at 20℃;100%
With pyridine Ambient temperature;43.1 g
2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

ribavirin
36791-04-5

ribavirin

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide
52663-90-8

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetone at 60℃; for 3h; Concentration; Temperature;99%
With toluene-4-sulfonic acid In acetone at 60℃; for 6h;73%
With perchloric acid In acetone at 0℃; for 1.5h;58%
With perchloric acid In acetone at 20℃; Inert atmosphere;
With toluene-4-sulfonic acid In acetone at 60℃; for 3h;
divinyl adipate
4074-90-2

divinyl adipate

ribavirin
36791-04-5

ribavirin

Hexanedioic acid (2R,3S,4R,5R)-5-(3-carbamoyl-[1,2,4]triazol-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl ester vinyl ester

Hexanedioic acid (2R,3S,4R,5R)-5-(3-carbamoyl-[1,2,4]triazol-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl ester vinyl ester

Conditions
ConditionsYield
With 1-methyl-1H-imidazole; lipase acrylic resin from Candida antartica In acetone at 50℃; for 4h;96%
With [bmim]BF4; Candida antarctica lipase acrylic resin In acetone at 50℃; for 12h;98.5 % Chromat.
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
69304-37-6

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

ribavirin
36791-04-5

ribavirin

3,5-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)-ribavirin
140891-04-9

3,5-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanyl)-ribavirin

Conditions
ConditionsYield
With pyridine; triethylamine In N,N-dimethyl-formamide at 20℃; for 17h;94%
With pyridine at 20℃; for 23.5h;91%
mono-4-methoxytrityl chloride
14470-28-1

mono-4-methoxytrityl chloride

ribavirin
36791-04-5

ribavirin

5'-O-(4-methoxytrityl)ribavirin
190141-28-7

5'-O-(4-methoxytrityl)ribavirin

Conditions
ConditionsYield
With pyridine for 48h; Ambient temperature;92%
With pyridine68%
With pyridine68%
With pyridine68%
C10H15NO8

C10H15NO8

ribavirin
36791-04-5

ribavirin

C18H27N5O12

C18H27N5O12

Conditions
ConditionsYield
Stage #1: C10H15NO8; ribavirin In water at 4℃;
Stage #2: With sodium tetrahydroborate In water at 20℃; for 1h;
Stage #3: With Dowex 50 (H+) resin In water
89%
(2S,4S,5R,6R)-5-Acetylamino-6-formyl-2,4-dihydroxy-tetrahydro-pyran-2-carboxylic acid
1042939-52-5

(2S,4S,5R,6R)-5-Acetylamino-6-formyl-2,4-dihydroxy-tetrahydro-pyran-2-carboxylic acid

ribavirin
36791-04-5

ribavirin

C17H25N5O11
1042939-67-2

C17H25N5O11

Conditions
ConditionsYield
Stage #1: (2S,4S,5R,6R)-5-Acetylamino-6-formyl-2,4-dihydroxy-tetrahydro-pyran-2-carboxylic acid; ribavirin In water at 4℃;
Stage #2: With sodium tetrahydroborate In water at 20℃; for 1h;
Stage #3: With Dowex 50 (H+) In water
87%
pentan-3-one
96-22-0

pentan-3-one

ribavirin
36791-04-5

ribavirin

ribavirin 2-pentanone acetal

ribavirin 2-pentanone acetal

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trimethyl orthoformate at 50℃; for 2h;87%
acetone
67-64-1

acetone

ribavirin
36791-04-5

ribavirin

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide
52663-90-8

1-(2',3'-di-O-isopropylidene-β-D-ribofuranosyl)<1,2,4>triazole-3-carboxamide

Conditions
ConditionsYield
Stage #1: acetone With toluene-4-sulfonic acid; orthoformic acid triethyl ester at 20℃;
Stage #2: ribavirin In N,N-dimethyl-formamide at 50℃;
85%
ribavirin
36791-04-5

ribavirin

phenylboronic acid
98-80-6

phenylboronic acid

1-(2,3-di-O-phenylboranylidene-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide
1442651-69-5

1-(2,3-di-O-phenylboranylidene-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
With pyridine at 20℃; for 2.08333h; Reflux;85%
ribavirin
36791-04-5

ribavirin

trimethyl orthoformate
149-73-5

trimethyl orthoformate

1-(β-D-ribofuranosyl-2',3'-O-methoxymethylidene)-1,2,4-triazole-3-carboxamide
727398-97-2

1-(β-D-ribofuranosyl-2',3'-O-methoxymethylidene)-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
With pyridine; toluene-4-sulfonic acid In tetrahydrofuran at 20℃;84%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

ribavirin
36791-04-5

ribavirin

1-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(((tertbutyldimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-1H-1,2,4-triazole-3-carboxamide

1-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(((tertbutyldimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-1H-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
Stage #1: ribavirin With 1H-imidazole; dmap In N,N-dimethyl-formamide for 0.0833333h; Inert atmosphere;
Stage #2: tert-butyldimethylsilyl chloride In N,N-dimethyl-formamide at 20℃; for 24h; Inert atmosphere;
84%
3,4,5-trihydroxybenzoic acid
149-91-7

3,4,5-trihydroxybenzoic acid

ribavirin
36791-04-5

ribavirin

C8H12N4O5*C7H6O5

C8H12N4O5*C7H6O5

Conditions
ConditionsYield
In water at 20℃; for 24h;83%
O-acetylsalicyloyl chloride
5538-51-2

O-acetylsalicyloyl chloride

ribavirin
36791-04-5

ribavirin

C17H18N4O8

C17H18N4O8

Conditions
ConditionsYield
With potassium hydrogencarbonate In tetrahydrofuran at 60℃; for 2h;81.3%
BARBITURIC ACID
67-52-7

BARBITURIC ACID

ribavirin
36791-04-5

ribavirin

C8H12N4O5*0.5C4H4N2O3

C8H12N4O5*0.5C4H4N2O3

Conditions
ConditionsYield
In water at 20℃; for 24h;79%
lauric acid
143-07-7

lauric acid

ribavirin
36791-04-5

ribavirin

(2R,3R,4R,5R)-2-(3-carbamoyl-1H-1,2,4-triazol-1-yl)-5-(dodecanoyloxymethyl)tetrahydrofuran-3,4-diyl didodecanoate

(2R,3R,4R,5R)-2-(3-carbamoyl-1H-1,2,4-triazol-1-yl)-5-(dodecanoyloxymethyl)tetrahydrofuran-3,4-diyl didodecanoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 20℃; for 36h;79%
C13H18ClN2O6P

C13H18ClN2O6P

ribavirin
36791-04-5

ribavirin

C21H29N6O11P
1353639-66-3

C21H29N6O11P

Conditions
ConditionsYield
With pyridine; triethylamine In tetrahydrofuran at 30 - 50℃; for 36h;78%
C16H16ClN2O7P
1333492-00-4

C16H16ClN2O7P

ribavirin
36791-04-5

ribavirin

C24H27N6O12P
1353639-70-9

C24H27N6O12P

Conditions
ConditionsYield
With pyridine; triethylamine In tetrahydrofuran at 30 - 50℃; for 36h;78%
C12H16ClN2O6P
1333492-02-6

C12H16ClN2O6P

ribavirin
36791-04-5

ribavirin

C20H27N6O11P
1353639-64-1

C20H27N6O11P

Conditions
ConditionsYield
With pyridine; triethylamine In tetrahydrofuran at 30 - 50℃; for 36h;77%
C16H16ClN2O6P

C16H16ClN2O6P

ribavirin
36791-04-5

ribavirin

C24H27N6O11P
1353639-68-5

C24H27N6O11P

Conditions
ConditionsYield
With pyridine; triethylamine In tetrahydrofuran at 30 - 50℃; for 36h;75%
2-acetoxy-2-methylpropanoyl chloride
40635-66-3

2-acetoxy-2-methylpropanoyl chloride

ribavirin
36791-04-5

ribavirin

1-[2-O-acetyl-3-bromo-3-deoxy-5-O-(2,5,5-trimethyl-1,3-dioxolan-4-on-2-yl)-β-D-xylofuranosyl]-1,2,4-triazole-3-carboxamide

1-[2-O-acetyl-3-bromo-3-deoxy-5-O-(2,5,5-trimethyl-1,3-dioxolan-4-on-2-yl)-β-D-xylofuranosyl]-1,2,4-triazole-3-carboxamide

Conditions
ConditionsYield
Stage #1: 2-acetoxy-2-methylpropanoyl chloride With sodium bromide In acetonitrile at 20℃; for 0.5h;
Stage #2: ribavirin In acetonitrile at 70℃; for 3h;
74.8%
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