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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis

Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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Senova Pharma

Central production base: Located in Henan Province, central China. It is integrating biological fermentation, protein engineering and chemical synthesis, specializing in the production of nucleosides, nucleotides and derivatives. Currently produc

Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Simagchem Corporation

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

High quality Guanosine supplier in China

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay 98%min ---------------------------------------------------------------------------------------------

High purity Various Specifications Guanosine hydrate CAS:118-00-3

Cas:118-00-3

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

Guanosine CAS NO.118-00-3

Cas:118-00-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White or almost white crystalline powder Storage:Store at RT.

Good quality Guanosine CAS 118-00-3 supplied by manufacturer

Cas:118-00-3

Min.Order:25 Kilogram

FOB Price: $50.0 / 70.0

Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

Service we can provide: 1. Mixed container: We can mix different items in one container. 2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping. 3. Packing: We can pack according to

Good quality Guanosine//118-00-3 manufacturer

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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 Guanosine

Cas:118-00-3

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% Guanosine 118-00-3 ISO Producer

Cas:118-00-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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

Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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Chemwill Asia Co., Ltd.

CHemwill -- Guanosine

Cas:118-00-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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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.

Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $0.9 / 1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: Guanosine Synonyms: usafcb-11;O-(BETA-D-RIBOFURANOSYL)GUANINE;D-GUANOSINE;GR;GUANOSINE;GUANINE-9-BETA-D-RIBOFURANOSIDE;GUANINE RIBOSIDE;9-[BETA-D-RIBOFURANOSYL]GUANINE CAS: 118-00-3 MF: C10H13N5O5 MW: 283.24 EINECS: 204-227-8 Pr

118-00-3 Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $500.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

Manufacturer Supply High Quality CAS 118-00-3 Guanosine

Cas:118-00-3

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

Manufacturer supply CAS 118-00-3 with best quality

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Guanosine

Cas:118-00-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White crystalline powder Storage:Room temperature Package:25kg/drum Application:Intermediates for food and pharmaceutical products Transportation:Express/Sea/Air Port:Any port in china

High Quality Guanosine hydrate Guanosine In Stock Supplier in China

Cas:118-00-3

Min.Order:100 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White crystalline powder Storage:Store in sealed containers

Pharmaceutical Intermediate Guanosine CAS 118-00-3 with High Purity

Cas:118-00-3

Min.Order:100 Gram

Negotiable

Type:Other

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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

Guanosine 118-00-3

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Guanosine Structure: Formula: C10H13N5O5 Molecular Weight :283.24 Synonyms: usafcb-11;O-(BETA-D-RIBOFURANOSYL)GUANINE;D-GUANOSINE;GR;GUANOSINE;GUANINE-9-BE

Factory Supply Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Shanghai Minstar Chemical Co., Ltd

roduct Name: Guanosine CAS: 118-00-3 MF: C10H13N5O5 MW: 283.24 EINECS: 204-227-8 Guanosine Structure Guanosine Chemical Properties Melting point 250 °C (dec.) (lit.) alpha -62 º (c=3, in 0.1 N NaOH) Boiling point

Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 prese

Guanosine 99%

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $71.0 / 85.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Guanosine CAS:118-00-3 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, st

Guanosine CAS:118-00-3

Cas:118-00-3

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

Guanosine

Cas:118-00-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

Guanosine

Cas:118-00-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

Guanosine suppliers in China CAS NO.118-00-3

Cas:118-00-3

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

Guanosine CAS NO.118-00-3

Cas:118-00-3

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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Leader Biochemical Group

PRODUCT DETAILS

China Original Largest Manufacturer sales Guanosine CAS 118-00-3

Cas:118-00-3

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

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

Guanosine

Cas:118-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-N-(N,N-dibenzylformamidino)-9-(2,3-O-benzylidene-β-D-ribofuranosyl)-guanine

2-N-(N,N-dibenzylformamidino)-9-(2,3-O-benzylidene-β-D-ribofuranosyl)-guanine

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal; palladium hydroxide - carbon In water; tert-butyl alcohol at 20℃; under 2068.59 Torr; for 20h; Hydrogenolysis;99%
2',3'-O-benzylidene-2N-dimethylaminomethylene guanosine

2',3'-O-benzylidene-2N-dimethylaminomethylene guanosine

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal; palladium hydroxide - carbon In water; tert-butyl alcohol at 20℃; under 2068.59 Torr; for 20h; Hydrogenolysis;98%
N-2-(ethoxycarbonyl)guanosine
100313-43-7

N-2-(ethoxycarbonyl)guanosine

Conditions
ConditionsYield
With pyridine; ammonium hydroxide at 45℃; for 48h;95%
9-(2',3'-di-O-acetyl-β-D-ribofuranosyl)-N2-isobutanoylguanine

9-(2',3'-di-O-acetyl-β-D-ribofuranosyl)-N2-isobutanoylguanine

Conditions
ConditionsYield
With ammonia In methanol at 25 - 28℃; for 10h;90%
2',3',5'-tri-O-acetyl-guanosine
6979-94-8

2',3',5'-tri-O-acetyl-guanosine

Conditions
ConditionsYield
With methanol; water; triethylamine at 71℃; Microwave irradiation;89%
2-bromo-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)hypoxanthine
41623-91-0

2-bromo-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)hypoxanthine

Conditions
ConditionsYield
With ammonia In methanol at 120℃;80%
With ammonium hydroxide at 150℃; for 3h;48%
Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(6-diphenylcarbamoyloxy-2-isobutyrylamino-purin-9-yl)-tetrahydro-furan-3-yl ester

Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(6-diphenylcarbamoyloxy-2-isobutyrylamino-purin-9-yl)-tetrahydro-furan-3-yl ester

Conditions
ConditionsYield
With methanol; ammonia for 24h; Ambient temperature;80%
2-(acetylamino)-6-(diphenylcarbamoyloxy)-9-(β-D-tri-O-acetylribofuranosyl)-9H-purine
112233-75-7

2-(acetylamino)-6-(diphenylcarbamoyloxy)-9-(β-D-tri-O-acetylribofuranosyl)-9H-purine

Conditions
ConditionsYield
With ammonia In methanol; water at 60℃;75%
With methanol; ammonia for 24h; Ambient temperature;75%
2',1''-anhydro-5-<(1''-benzamido-1''-hydroxymethylene)amino>-1-(β-D-ribofuranosyl)imidazole-4-carboxamide
58917-66-1

2',1''-anhydro-5-<(1''-benzamido-1''-hydroxymethylene)amino>-1-(β-D-ribofuranosyl)imidazole-4-carboxamide

B

[1-(15)N]guanosine

[1-(15)N]guanosine

C

<15NH2>guanosine
103654-70-2

<15NH2>guanosine

Conditions
ConditionsYield
With (15N)-ammonium chloride In dimethyl sulfoxide at 100℃; for 240h; Yields of byproduct given;A n/a
B 75%
C n/a
With (15N)-ammonium chloride In dimethyl sulfoxide at 100℃; for 240h; Yield given. Yields of byproduct given;
8-mercaptoguanosine
26001-38-7

8-mercaptoguanosine

Conditions
ConditionsYield
With potassium bromide In water at 20℃; pH=7; Reagent/catalyst; Inert atmosphere; Irradiation;57.4%
Multi-step reaction with 3 steps
1: dihydrogen peroxide; acetic acid / 48 h / 65 °C
2: lithium hydroxide; water-d2 / Sonication
3: 24 h / 50 °C
View Scheme
1-(β-D-ribofuranosyl)-5-(thiocarbamoyl)amino-1H-imidazole-4-carboxamide
133068-54-9

1-(β-D-ribofuranosyl)-5-(thiocarbamoyl)amino-1H-imidazole-4-carboxamide

Conditions
ConditionsYield
With sodium hydroxide; copper diacetate for 1.5h; Heating;53%
2-Chloroadenosine
146-77-0

2-Chloroadenosine

Conditions
ConditionsYield
With acetic acid; sodium nitrite anschl. Erhitzen mit aethanol. NH3;
α-D-ribofuranosyl-1-phosphate
18646-11-2

α-D-ribofuranosyl-1-phosphate

guanine
73-40-5

guanine

Conditions
ConditionsYield
bei der Einwirkung von Purinnucleosid-Phosphorylase;
Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(2-acetylamino-6-oxo-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl ester
30747-23-0

Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(2-acetylamino-6-oxo-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl ester

Conditions
ConditionsYield
With ammonia In methanol for 42h; Ambient temperature;
Multi-step reaction with 2 steps
1: 77 percent / EtN(i-Pr)2 / pyridine / 1 h / Ambient temperature
2: 75 percent / NH3/MeOH / 24 h / Ambient temperature
View Scheme
N2-acetyl-9-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)guanine
17494-84-7

N2-acetyl-9-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)guanine

Conditions
ConditionsYield
With ammonia In methanol for 42h; Ambient temperature;
2-amino-6-benzyloxy-9-β-D-ribofuranosylpurine
4552-61-8

2-amino-6-benzyloxy-9-β-D-ribofuranosylpurine

A

7-benzylguanosine
72360-76-0

7-benzylguanosine

B

8-benzylguanosine
88158-12-7

8-benzylguanosine

C

N2-benzyl-2'-deoxyguanosine
71171-58-9

N2-benzyl-2'-deoxyguanosine

Conditions
ConditionsYield
With hydrogen cation In methanol; water at 40℃; Rate constant; Mechanism; pH 3.5, MeOH/aqueous buffer (5:95); other pH;A 0.4 % Chromat.
B 0.5 % Chromat.
C 1.2 % Chromat.
D 97.9 % Chromat.
O6-(p-methylbenzyl)guanosine
79384-30-8

O6-(p-methylbenzyl)guanosine

A

1-(p-methylbenzyl)guanosine
88158-18-3

1-(p-methylbenzyl)guanosine

B

N2-(p-methylbenzyl)guanosine
79396-24-0

N2-(p-methylbenzyl)guanosine

C

8-(p-methylbenzyl)guanosine
88158-13-8

8-(p-methylbenzyl)guanosine

D

C18H21N5O5
104375-85-1

C18H21N5O5

Conditions
ConditionsYield
With hydrogen cation In methanol; water at 40℃; Rate constant; Mechanism; pH 3.5, MeOH/aqueous buffer (5:95); other pH;A 1.2 % Chromat.
B 3.9 % Chromat.
C 2.6 % Chromat.
D 2.9 % Chromat.
E 89.4 % Chromat.
O6-(p-chlorobenzyl)guanosine
88158-11-6

O6-(p-chlorobenzyl)guanosine

Conditions
ConditionsYield
With hydrogen cation In methanol; water at 40℃; for 336h; Rate constant; Mechanism; pH 3.5, MeOH/aqueous buffer (5:95); other pH;100 % Chromat.
O6-(p-methoxybenzyl)guanosine
78907-22-9

O6-(p-methoxybenzyl)guanosine

A

N2-(p-methoxybenzyl)guanosine
78907-25-2

N2-(p-methoxybenzyl)guanosine

B

1-(p-methoxybenzyl)guanosine
78907-27-4

1-(p-methoxybenzyl)guanosine

C

8-(p-methoxybenzyl)guanosine
78907-24-1

8-(p-methoxybenzyl)guanosine

D

7-(p-methoxybenzyl)guanosine
78907-23-0

7-(p-methoxybenzyl)guanosine

Conditions
ConditionsYield
With hydrogen cation In methanol; water at 40℃; Rate constant; Mechanism; pH 3.5, MeOH/aqueous buffer (5:95); other pH;A 21.5 % Chromat.
B 0.2 % Chromat.
C 0.4 % Chromat.
D 1.1 % Chromat.
E 76.8 % Chromat.
O6-(p-methoxybenzyl)guanosine
78907-22-9

O6-(p-methoxybenzyl)guanosine

A

N2-(p-methoxybenzyl)guanosine
78907-25-2

N2-(p-methoxybenzyl)guanosine

B

1-(p-methoxybenzyl)guanosine
78907-27-4

1-(p-methoxybenzyl)guanosine

C

8-(p-methoxybenzyl)guanosine
78907-24-1

8-(p-methoxybenzyl)guanosine

D

7-(p-methoxybenzyl)guanosine
78907-23-0

7-(p-methoxybenzyl)guanosine

E

4-(p-methoxybenzyl)-5-guanidino-1-β-D-ribofuranozylimidazole
78907-26-3

4-(p-methoxybenzyl)-5-guanidino-1-β-D-ribofuranozylimidazole

Conditions
ConditionsYield
In methanol; water at 40℃; Rate constant; approximate rate constants for formation of products;

A

cytidine 3'-monophosphate
84-52-6

cytidine 3'-monophosphate

Conditions
ConditionsYield
With ribonuclease A Product distribution; determination of structure;
2'-O-(4-methoxytetrahydropyran-4-yl)guanosine
69471-61-0

2'-O-(4-methoxytetrahydropyran-4-yl)guanosine

Conditions
ConditionsYield
With hydrogenchloride at 22℃; for 0.583333h; Kinetics;50 % Chromat.
3-(β-D-pentofuranosyl)pyrimido<1,2-a>purin-10(3H)-one
78880-62-3

3-(β-D-pentofuranosyl)pyrimido<1,2-a>purin-10(3H)-one

A

Malondialdehyde
542-78-9

Malondialdehyde

Conditions
ConditionsYield
With sodium hydroxide; water at 45℃;
8-amino-3,10-dihydro-10-oxo-3-β-D-ribofuranosyl-1,3,5-triazino<1,2-a>purine
92220-57-0

8-amino-3,10-dihydro-10-oxo-3-β-D-ribofuranosyl-1,3,5-triazino<1,2-a>purine

Conditions
ConditionsYield
With sodium hydroxide at 20℃; for 0.0833333h; Product distribution;
N2-<<9-fluorenylmethyl)oxy>carbonyl>guanosine
87424-18-8

N2-<<9-fluorenylmethyl)oxy>carbonyl>guanosine

Conditions
ConditionsYield
With ammonium hydroxide In pyridine at 20℃; for 0.5h;
cytidine guanosine base pair

cytidine guanosine base pair

B

CYTIDINE
65-46-3

CYTIDINE

Conditions
ConditionsYield
In methanol; dimethyl sulfoxide at -26.1 - 29.9℃; Equilibrium constant;
CpCpGp

CpCpGp

A

cytidine 3'-monophosphate
84-52-6

cytidine 3'-monophosphate

Conditions
ConditionsYield
With ribonuclease A Product distribution; determination of structure;
5'-guanosine monophosphate
85-32-5

5'-guanosine monophosphate

Conditions
ConditionsYield
With water at 30℃; for 0.166667h; Rate constant; relative rate, different alkaline phosphotases;
In water at 37℃; for 240h;
guanosine 2',3'-cyclic monophosphate
634-02-6

guanosine 2',3'-cyclic monophosphate

A

guanosine 3'-monophosphate
117-68-0

guanosine 3'-monophosphate

B

guanosine 2'-monophosphate
130-50-7

guanosine 2'-monophosphate

Conditions
ConditionsYield
With chicken plasma membrane protein In water at 30℃; for 2h; Product distribution; other temperatures;
C47H60N18O33P4
99519-21-8

C47H60N18O33P4

B

uridine
58-96-8

uridine

C

CYTIDINE
65-46-3

CYTIDINE

D

adenosine
58-61-7

adenosine

Conditions
ConditionsYield
With Croatalus Adamanteus snake venom phosphodiesterase; MgCl2,tris-hydrochloride buffer; monoesterase In water at 37℃; for 18h; Product distribution;
N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

N2-(dimethylaminomethylene)guanosine
17331-16-7

N2-(dimethylaminomethylene)guanosine

Conditions
ConditionsYield
In methanol Ambient temperature;100%
In methanol at 20℃; for 72h;99%
In methanol for 72h;99%
8-bromoguanosine
4016-63-1

8-bromoguanosine

Conditions
ConditionsYield
With bromine In water at 20℃;100%
With bromine In water at 20℃; for 24h;99%
With bromine In water93%
C12H13N7
406945-71-9

C12H13N7

1-(2-amino-9H-purin-6-yl)-4-dimethylamino-pyridinium; 2-amino-9-(3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-olate

1-(2-amino-9H-purin-6-yl)-4-dimethylamino-pyridinium; 2-amino-9-(3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-olate

Conditions
ConditionsYield
In water-d2100%
allyl bromide
106-95-6

allyl bromide

7-allyl-2-amino-1H-purine-6(7H)-one
21869-84-1

7-allyl-2-amino-1H-purine-6(7H)-one

Conditions
ConditionsYield
Stage #1: allyl bromide; G In dimethyl sulfoxide at 20℃; for 18h;
Stage #2: With hydrogenchloride; water In dimethyl sulfoxide for 0.75h;
Stage #3: With sodium hydroxide In methanol; water; dimethyl sulfoxide
100%
Stage #1: allyl bromide; G In dimethyl sulfoxide at 20℃; for 18h; Inert atmosphere;
Stage #2: With hydrogenchloride In water; dimethyl sulfoxide for 1h;
92.5%
In dimethyl sulfoxide at 20℃; for 24h; Concentration; Inert atmosphere; Large scale;58.7%
2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

acetone
67-64-1

acetone

2',3'-isopropylideneguanosine
362-76-5

2',3'-isopropylideneguanosine

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 20℃; for 72h; Inert atmosphere;100%
acetic anhydride
108-24-7

acetic anhydride

2',3',5'-tri-O-acetyl-guanosine
6979-94-8

2',3',5'-tri-O-acetyl-guanosine

Conditions
ConditionsYield
With dmap; triethylamine In acetonitrile at 0 - 20℃; for 4h;99%
With dmap; triethylamine In acetonitrile for 0.5h; Ambient temperature;98%
With dmap; triethylamine In acetonitrile Heating;98%
<8-2H>guanosine
96412-41-8

<8-2H>guanosine

Conditions
ConditionsYield
With hydrogen; water-d2; palladium on activated charcoal at 110℃; for 24h;99%
With water-d2 for 15h; Heating;92%
With water-d2; palladium on activated charcoal; hydrogen at 110℃; for 24h;92%
chloro(2,2':6',2''-terpyridine)platinum(II) chloride dihydrate

chloro(2,2':6',2''-terpyridine)platinum(II) chloride dihydrate

N(1),N(6)-bis[(2,2':6',2''-terpyridine)platinio(II)]guanosine

N(1),N(6)-bis[(2,2':6',2''-terpyridine)platinio(II)]guanosine

Conditions
ConditionsYield
With silver nitrate In water byproducts: AgCl; Pt-complex and Ag-salt soln. heating at 70-80°C for 2 h, AgCl centrifugation off, org. compd. soln. addn., soln. heating at 70°C for 2 h, centrifugation; soln. freeze drying;99%
2-Methylpropionic anhydride
97-72-3

2-Methylpropionic anhydride

N2-(2-methylpropanoyl)-2',3',5'-tris-O-(2-methylpropanoyl)guanosine
70337-80-3

N2-(2-methylpropanoyl)-2',3',5'-tris-O-(2-methylpropanoyl)guanosine

Conditions
ConditionsYield
In pyridine at 110℃; for 20h;98%
With dmap In pyridine at 50℃; for 24h;
5,6-dimethyl-1H-benzo[d]imida-zole
582-60-5

5,6-dimethyl-1H-benzo[d]imida-zole

(β-D-ribofuranosyl)-5,6-dimethylbenzimidazole
13082-84-3

(β-D-ribofuranosyl)-5,6-dimethylbenzimidazole

Conditions
ConditionsYield
for 1.5h; purine nucleoside phosphorylase of whole cells of E. coli BMT 1D/1A;98%
Phenoxyacetyl chloride
701-99-5

Phenoxyacetyl chloride

N2-(phenoxyacetyl)guanosine
119824-66-7

N2-(phenoxyacetyl)guanosine

Conditions
ConditionsYield
Stage #1: G With pyridine; chloro-trimethyl-silane In dichloromethane for 2h;
Stage #2: Phenoxyacetyl chloride In dichloromethane at 0℃; for 3h;
Stage #3: With methanol In dichloromethane at 20℃; for 12h;
98%
With pyridine; chloro-trimethyl-silane; benzotriazol-1-ol 1.) 45 min, 2.) acetonitrile, 55 deg C, 5 h; Yield given. Multistep reaction;
Stage #1: G With pyridine; chloro-trimethyl-silane In dichloromethane at 0 - 20℃; for 3h; Inert atmosphere;
Stage #2: Phenoxyacetyl chloride In dichloromethane for 3h; Cooling with ice;
150.2 g
2-amino-1,9-dihydro-6H-purin-6-one
73-40-5

2-amino-1,9-dihydro-6H-purin-6-one

Conditions
ConditionsYield
With sulfuric acid In water at 90℃; for 1.5h; Reagent/catalyst; Temperature; Solvent; Large scale;98%
With sodium dichromate In water at 24.85℃; Quantum yield; Further Variations:; Reagents; pH-values; Decomposition; Photolysis;
With Lupinus luteus guanosine-inosine nucleosidase Enzyme kinetics;
acetone
67-64-1

acetone

2',3'-isopropylideneguanosine
362-76-5

2',3'-isopropylideneguanosine

Conditions
ConditionsYield
With perchloric acid at 20℃; for 1.16667h;98%
With perchloric acid In water at 20℃; for 4h;94%
Stage #1: G; acetone With perchloric acid at 20℃; for 1.16667h;
Stage #2: With ammonia In water at 0℃;
92%
acetyl chloride
75-36-5

acetyl chloride

N2-acetylguanosine
129681-72-7, 21967-06-6

N2-acetylguanosine

Conditions
ConditionsYield
Stage #1: G With pyridine; chloro-trimethyl-silane In dichloromethane for 2h;
Stage #2: acetyl chloride In dichloromethane at 0℃; for 1.5h;
Stage #3: With methanol In dichloromethane at 20℃; for 12h;
98%
(diethylenetriamino)copper(II) nitrate

(diethylenetriamino)copper(II) nitrate

sodium nicotinate
54-86-4

sodium nicotinate

water
7732-18-5

water

[Cu(diethylenetriamine)(nicotinic acid-H)(N7-guanosine)(NO3)]*5H2O

[Cu(diethylenetriamine)(nicotinic acid-H)(N7-guanosine)(NO3)]*5H2O

Conditions
ConditionsYield
In methanol; ethanol; water soln. of sodium nicotinate (5 mmol) in H2O/EtOH (1/10 v/v) added dropwise to soln. of Cu complex (5 mmol) in H2O/MeOH (1/10 v/v); stirred (5 min); guanosine (5 mmol) in EtOH added; stirred (12 h); solid isolated by filtration; washed with Et2O; dried (room temp.); elem. anal.;98%
ethyl iodide
75-03-6

ethyl iodide

7-ethylguanine hydrochloride

7-ethylguanine hydrochloride

Conditions
ConditionsYield
Stage #1: ethyl iodide; G In N,N-dimethyl acetamide at 20℃; for 24h;
Stage #2: With hydrogenchloride for 1.5h; Heating;
97%
propionic acid anhydride
123-62-6

propionic acid anhydride

2',3',5'-tri-O-propionyl-N2-propionylguanosine
90742-12-4

2',3',5'-tri-O-propionyl-N2-propionylguanosine

Conditions
ConditionsYield
With dmap In pyridine at 70℃; for 3h;96%
dimethyl sulfate
77-78-1

dimethyl sulfate

7-methylguanine hydrochloride

7-methylguanine hydrochloride

Conditions
ConditionsYield
Stage #1: G; dimethyl sulfate In N,N-dimethyl acetamide at 20℃; for 6h;
Stage #2: With hydrogenchloride for 1.5h; Heating;
96%
acetic anhydride
108-24-7

acetic anhydride

A

2,9-diacetylguanine
3056-33-5

2,9-diacetylguanine

B

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

1,2,3,5-tetraacetylribose

Conditions
ConditionsYield
Stage #1: acetic anhydride; G at 136℃; for 1h;
Stage #2: With trifluoroacetic acid at 60 - 100℃;
A 96%
B 86%
acetic anhydride
108-24-7

acetic anhydride

2-amino-6-hydroxyl-9-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)purine
6979-94-8

2-amino-6-hydroxyl-9-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)purine

Conditions
ConditionsYield
With dmap; triethylamine In acetonitrile at 20℃; for 0.5h;96%
With dmap; triethylamine In acetonitrile at 20℃; for 0.666667h;96%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

5'-O-tert-butyldimethylsilylguanosine
72409-21-3

5'-O-tert-butyldimethylsilylguanosine

Conditions
ConditionsYield
With silver nitrate In tetrahydrofuran for 3h; Ambient temperature;95%
silver nitrate In tetrahydrofuran for 1h;95%
With dmap; triethylamine In dichloromethane; dimethyl sulfoxide at 20℃; for 24h; Inert atmosphere;87%
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
69304-37-6

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

3',5'-O-1,1,3,3-tetraisopropyldisiloxan-1,3-diyl-guanosine
69304-44-5

3',5'-O-1,1,3,3-tetraisopropyldisiloxan-1,3-diyl-guanosine

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide for 0.75h; Ambient temperature;95%
With 1H-imidazole In pyridine; N,N-dimethyl-formamide for 4h;93%
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 16h; Inert atmosphere; Large scale;92%
di-tert-butylsilyl bis(trifluoromethanesulfonate)
85272-31-7

di-tert-butylsilyl bis(trifluoromethanesulfonate)

2-amino-9-((4aR,6R,7R,7aS)-2,2-di-tert-butyl-7-hydroxytetrahydro-4H-furo[3,2-d][1,3,2]dioxasilin-6-yl)-1,9-dihydro-6H-purin-6-one
126628-29-3

2-amino-9-((4aR,6R,7R,7aS)-2,2-di-tert-butyl-7-hydroxytetrahydro-4H-furo[3,2-d][1,3,2]dioxasilin-6-yl)-1,9-dihydro-6H-purin-6-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide95%
With 2,6-dimethylpyridine In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere;95%
In N,N-dimethyl-formamide at 0℃; Inert atmosphere;89%
N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

N2-[(dimethylamino)methylene]guanosine
1055407-32-3

N2-[(dimethylamino)methylene]guanosine

Conditions
ConditionsYield
In methanol at 27℃; for 96h;95%
oxirane
75-21-8

oxirane

7-(2'-hydroxyethyl)guanine hydrochloride

7-(2'-hydroxyethyl)guanine hydrochloride

Conditions
ConditionsYield
Stage #1: oxirane; G With acetic acid at 100℃; for 0.5h;
Stage #2: With hydrogenchloride for 1.5h; Heating;
95%
palladium diacetate
3375-31-3

palladium diacetate

Pd(2+)*CH3COO(1-)*C10H12N5O5(1-)*3H2O=[Pd(CH3COO)(C10H12N5O5)]*3H2O

Pd(2+)*CH3COO(1-)*C10H12N5O5(1-)*3H2O=[Pd(CH3COO)(C10H12N5O5)]*3H2O

Conditions
ConditionsYield
In water; acetone stirring (hot soln., 3 h), pptn.; centrifugation, washing (water, acetone), drying (air); elem. anal.;95%
ethyl iodide
75-03-6

ethyl iodide

7-ethylguanine

7-ethylguanine

Conditions
ConditionsYield
Stage #1: ethyl iodide; G In N,N-dimethyl acetamide at 60℃; Inert atmosphere;
Stage #2: With hydrogenchloride In N,N-dimethyl acetamide; water at 110℃; for 1h;
Stage #3: With ammonia In N,N-dimethyl acetamide; water at 20℃;
95%
Stage #1: ethyl iodide; G In N,N-dimethyl acetamide at 60℃; Inert atmosphere;
Stage #2: With hydrogenchloride In N,N-dimethyl acetamide; water at 110℃; for 1h;
95%

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