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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 4,5-Diaminopyrimidine CAS No. 13

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

4,5-Diaminopyrimidine CAS 13754-19-3

Cas:13754-19-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Manufacturer supply CAS 13754-19-3 with best quality

Cas:13754-19-3

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

4,5-Pyrimidinediamine 13754-19-3

Cas:13754-19-3

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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:1 Kilogram

FOB Price: $68.0 / 75.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

4,5-Diaminopyrimidine CAS:13754-19-3 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 int

4,5-Diaminopyrimidine CAS:13754-19-3

Cas:13754-19-3

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

4,5-Pyrimidinediamine

Cas:13754-19-3

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

4,5-Pyrimidinediamine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

4,5-DIAMINOPYRIMIDINE

Cas:13754-19-3

Min.Order:1 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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

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 providing h

Factory Supply 4,5-diaminopyrimidine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Other

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

4,5-Diaminopyrimidine CAS NO.13754-19-3

Cas:13754-19-3

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

4,5-Diaminopyrimidine

Cas:13754-19-3

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

4,5-Diaminopyrimidine CAS NO.13754-19-3

Cas:13754-19-3

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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

4,5-Diaminopyrimidine CAS NO.13754-19-3

Cas:13754-19-3

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

4,5-Diaminopyrimidine cas no. 13754-19-3 98%

Cas:13754-19-3

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

4,5-Diaminopyrimidine

Cas:13754-19-3

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

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Other

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

4,5-DiaMinopyriMidine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

4,5-Diaminopyrimidine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Good quantity Storage:R.T. Package:as per buyers Application:Reagent Transportation:by air/sea

4,5-Diaminopyrimidine, 97%

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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.

4,5-Diaminopyrimidine

Cas:13754-19-3

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

4,5-Pyrimidinediamine

Cas:13754-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-chloro-4,5-diaminopyrimidine
14631-08-4

2-chloro-4,5-diaminopyrimidine

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

6-chloro-4,5-diaminopyrimidine
4316-98-7

6-chloro-4,5-diaminopyrimidine

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

Conditions
ConditionsYield
With palladium on activated charcoal; water Hydrogenation;
4,5-diamino-1H-pyrimidine-2-thione
14623-58-6

4,5-diamino-1H-pyrimidine-2-thione

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

Conditions
ConditionsYield
With ammonia; water; nickel
4-amino-2-chloro-5-nitropyrimidine
1920-66-7

4-amino-2-chloro-5-nitropyrimidine

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

Conditions
ConditionsYield
With hydrogen iodide at 0℃; anschliessend Behandeln unter Zusatz von Phosphoniumjodid bei 50grad;
4-amino-5-formamidopyrimidine
16008-45-0

4-amino-5-formamidopyrimidine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

purine
120-73-0

purine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant; different hydroxide ion concentrations;
4-amino-5-formamidopyrimidine
16008-45-0

4-amino-5-formamidopyrimidine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

formic acid
64-18-6

formic acid

C

purine
120-73-0

purine

Conditions
ConditionsYield
With perchloric acid at 90.1℃; Rate constant; Mechanism; Thermodynamic data; prod. yield/prod. distrib.; other temperatures, other reagent, ΔS(excit.), pH influence, phosphate buffer influence;
Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Kinetics; Mechanism; other temperatures and different hydroxide ion concentrations;
(3aR,4R,7R,7aR)-4-(5-Amino-pyrimidin-4-ylamino)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-ol

(3aR,4R,7R,7aR)-4-(5-Amino-pyrimidin-4-ylamino)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-ol

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

Conditions
ConditionsYield
With sodium hydroxide at 60.1℃; Rate constant; different hydroxide ion concentrations;
C8(14)CH14N4O4

C8(14)CH14N4O4

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

<1-14C>-D-ribose
19214-82-5

<1-14C>-D-ribose

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant; Mechanism;
9-(1-methoxyethyl)purine
95103-63-2

9-(1-methoxyethyl)purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

C

7,8-dihydro-8-methylpurine

7,8-dihydro-8-methylpurine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
9-(1-ethoxyethyl)-9H-purine
78105-09-6

9-(1-ethoxyethyl)-9H-purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

Conditions
ConditionsYield
With sodium hydroxide In water at 60.1℃; Product distribution; Rate constant; other temperatures; alkalyne hydrolysis of 6-substituted 9-(1-ethoxyethyl)purines, effect of substituent, formation of intermediates;
9-(1-ethoxyethyl)-9H-purine
78105-09-6

9-(1-ethoxyethyl)-9H-purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

C

7,8-dihydro-8-methylpurine

7,8-dihydro-8-methylpurine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
9-(1-Isopropoxy-ethyl)-9H-purine
95103-62-1

9-(1-Isopropoxy-ethyl)-9H-purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

C

7,8-dihydro-8-methylpurine

7,8-dihydro-8-methylpurine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
9-[1-(2-Chloro-ethoxy)-ethyl]-9H-purine
95103-65-4

9-[1-(2-Chloro-ethoxy)-ethyl]-9H-purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

C

7,8-dihydro-8-methylpurine

7,8-dihydro-8-methylpurine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
9-[1-(2-Methoxy-ethoxy)-ethyl]-9H-purine

9-[1-(2-Methoxy-ethoxy)-ethyl]-9H-purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

C

7,8-dihydro-8-methylpurine

7,8-dihydro-8-methylpurine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
9-(1-ethoxy<2'-(3)H>ethyl)purine

9-(1-ethoxy<2'-(3)H>ethyl)purine

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

C6H5(3)HN4

C6H5(3)HN4

C

C6H7(3)HN4

C6H7(3)HN4

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
C8(14)CH12N4O

C8(14)CH12N4O

A

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

B

2-methylbenzoimidazole
934-33-8

2-methylbenzoimidazole

C

7,8-dihydro-8-methylpurine

7,8-dihydro-8-methylpurine

Conditions
ConditionsYield
With sodium hydroxide at 70.1℃; Rate constant;
Nebularin
550-33-4

Nebularin

aqueous Ba(OH)2

aqueous Ba(OH)2

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4-amino-2-chloro-5-nitropyrimidine
1920-66-7

4-amino-2-chloro-5-nitropyrimidine

hydrogen iodide
10034-85-2

hydrogen iodide

phosphonium iodide

phosphonium iodide

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

formic acid
64-18-6

formic acid

purine
120-73-0

purine

Conditions
ConditionsYield
With orthoformic acid triethyl ester at 90℃; for 3.5h;100%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

trifluoroacetic acid
76-05-1

trifluoroacetic acid

8-(trifluoromethyl)-9H-purine
2268-12-4

8-(trifluoromethyl)-9H-purine

Conditions
ConditionsYield
at 70℃; for 16h;99%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4-benzoyl-3-hydroxy-2,5-dihydrofuran-2-one
7478-57-1

4-benzoyl-3-hydroxy-2,5-dihydrofuran-2-one

2<(4-amino-5-pyrimidinyl)amine>-4-oxo-3-(hydroxymethyl)-4-phenyl-2-butenoic acid
86475-08-3

2<(4-amino-5-pyrimidinyl)amine>-4-oxo-3-(hydroxymethyl)-4-phenyl-2-butenoic acid

Conditions
ConditionsYield
In ethanol Ambient temperature; overnight;95%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

2-methoxy-4-(methylsulfanyl)benzoic acid
72856-73-6

2-methoxy-4-(methylsulfanyl)benzoic acid

8-(2-Methoxy-4-methylsulfanyl-phenyl)-9H-purine; hydrochloride
95420-69-2

8-(2-Methoxy-4-methylsulfanyl-phenyl)-9H-purine; hydrochloride

Conditions
ConditionsYield
With trichlorophosphate for 4h; Heating;91%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

2,3,4,5,6-penta-O-acetyl-D-gluconyl isothiocyanate
58314-42-4

2,3,4,5,6-penta-O-acetyl-D-gluconyl isothiocyanate

Acetic acid (1S,2R,3R,4R)-2,3,4,5-tetraacetoxy-1-(4-thioxo-4,5-dihydro-3H-pyrimido[4,5-f][1,3,5]triazepin-2-yl)-pentyl ester
61169-10-6

Acetic acid (1S,2R,3R,4R)-2,3,4,5-tetraacetoxy-1-(4-thioxo-4,5-dihydro-3H-pyrimido[4,5-f][1,3,5]triazepin-2-yl)-pentyl ester

Conditions
ConditionsYield
In tetrahydrofuran; benzene at 70 - 85℃;90%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

carbon monoxide
201230-82-2

carbon monoxide

7H-purin-8(9H)-one
13230-97-2

7H-purin-8(9H)-one

Conditions
ConditionsYield
With selenium In dimethyl sulfoxide at 100℃; under 22800.7 Torr; for 20h;89%
With selenium 1.) DMF, 31 kg/cm2, 100 degC, 20 h, 2.) 25 degC, 1 h;87%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

o-fluoro-benzoic acid
445-29-4

o-fluoro-benzoic acid

8-(2-fluorophenyl)-purine
878287-56-0

8-(2-fluorophenyl)-purine

Conditions
ConditionsYield
Stage #1: 4,5-pyrimidinediamine; o-fluoro-benzoic acid With polyphosphoric acid at 180℃; for 3h;
Stage #2: With sodium hydroxide In water pH=8 - 9;
88.5%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

cyclohexyl-phenyl-acetyl chloride
49802-71-3

cyclohexyl-phenyl-acetyl chloride

N-(5-aminopyrimidin-4-yl)-2-cyclohexyl-2-phenylacetamide
897446-49-0

N-(5-aminopyrimidin-4-yl)-2-cyclohexyl-2-phenylacetamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 12h;88%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

dimethyl N-(1,3-benzothiazol-2-yl) dithio imidocarbonate
76423-99-9

dimethyl N-(1,3-benzothiazol-2-yl) dithio imidocarbonate

8-(2-benzothiazolylamino)-purine
103588-19-8

8-(2-benzothiazolylamino)-purine

Conditions
ConditionsYield
In various solvent(s) Heating;86%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

2-hydroxynaphthalene-1-carbaldehyde
708-06-5

2-hydroxynaphthalene-1-carbaldehyde

1-[(4-aminopyrimidin-5-yl-imino)methyl]naphthalen-2-ol

1-[(4-aminopyrimidin-5-yl-imino)methyl]naphthalen-2-ol

Conditions
ConditionsYield
In methanol at 63℃; for 0.5h; microwave irradiation;86%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

dimedone
126-81-8

dimedone

3-(4-amino-pyrimidin-5-ylamino)-5,5-dimethyl-cyclohex-2-enone
1047619-57-7

3-(4-amino-pyrimidin-5-ylamino)-5,5-dimethyl-cyclohex-2-enone

Conditions
ConditionsYield
In toluene Heating / reflux;86%
In toluene Reflux;
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4-isothiocyanato-N-(quinoxalin-2-yl)benzenesulfonamide
681235-15-4

4-isothiocyanato-N-(quinoxalin-2-yl)benzenesulfonamide

4-(9H-purin-8-ylamino)-N-(quinoxalin-2-yl)benzenesulfonamide

4-(9H-purin-8-ylamino)-N-(quinoxalin-2-yl)benzenesulfonamide

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide for 8h; Reflux;86%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

pyrene-1-aldehyde
3029-19-4

pyrene-1-aldehyde

(pyren-1-ylmethylene)pyrimidine-2,4-diamine
1426931-11-4

(pyren-1-ylmethylene)pyrimidine-2,4-diamine

Conditions
ConditionsYield
In methanol for 12h; Reflux;86%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

Dimethyl N-(4-chloro-2-benzothiazolyl)-dithiocarbonimidate
83431-63-4

Dimethyl N-(4-chloro-2-benzothiazolyl)-dithiocarbonimidate

(4-Chloro-benzothiazol-2-yl)-(9H-purin-8-yl)-amine
103588-21-2

(4-Chloro-benzothiazol-2-yl)-(9H-purin-8-yl)-amine

Conditions
ConditionsYield
In various solvent(s) Heating;85%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4-(4-methyl-5,5-dioxido-3-aphenylbenzo[e]pyrazolo[4,3-c][1,2]thiazin-2(4H)-yl)benzaldehyde
1608470-09-2

4-(4-methyl-5,5-dioxido-3-aphenylbenzo[e]pyrazolo[4,3-c][1,2]thiazin-2(4H)-yl)benzaldehyde

4-methyl-3-phenyl-2-[4-(9H-purin-8-yl)phenyl]-2,4-dihydropyrazolo[4,3c][1,2]benzothiazine 5,5-dioxide
1608470-27-4

4-methyl-3-phenyl-2-[4-(9H-purin-8-yl)phenyl]-2,4-dihydropyrazolo[4,3c][1,2]benzothiazine 5,5-dioxide

Conditions
ConditionsYield
Stage #1: 4-(4-methyl-5,5-dioxido-3-aphenylbenzo[e]pyrazolo[4,3-c][1,2]thiazin-2(4H)-yl)benzaldehyde With sodium metabisulfite In N,N-dimethyl-formamide at 20℃;
Stage #2: 4,5-pyrimidinediamine In N,N-dimethyl-formamide
85%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

C12H14N2S3
103588-18-7

C12H14N2S3

(5,6-Dimethyl-benzothiazol-2-yl)-(9H-purin-8-yl)-amine
103588-22-3

(5,6-Dimethyl-benzothiazol-2-yl)-(9H-purin-8-yl)-amine

Conditions
ConditionsYield
In various solvent(s) Heating;83%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

(13C)-formic acid
1633-56-3

(13C)-formic acid

C4(13)CH4N4

C4(13)CH4N4

Conditions
ConditionsYield
In N,N-dimethyl acetamide at 120℃;83%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4-(3,4-dimethyl-5,5-dioxidobenzo[e]pyrazolo[4,3-c][1,2]-thiazin-2(4H)-yl)benzaldehyde
1350617-96-7

4-(3,4-dimethyl-5,5-dioxidobenzo[e]pyrazolo[4,3-c][1,2]-thiazin-2(4H)-yl)benzaldehyde

3,4-Dimethyl-2-[4-(9H-purin-8-yl)phenyl]-2,4-dihydropyrazolo[4,3-c][1,2] benzothiazine 5,5-dioxide
1608470-26-3

3,4-Dimethyl-2-[4-(9H-purin-8-yl)phenyl]-2,4-dihydropyrazolo[4,3-c][1,2] benzothiazine 5,5-dioxide

Conditions
ConditionsYield
Stage #1: 4-(3,4-dimethyl-5,5-dioxidobenzo[e]pyrazolo[4,3-c][1,2]-thiazin-2(4H)-yl)benzaldehyde With sodium metabisulfite In N,N-dimethyl-formamide at 20℃;
Stage #2: 4,5-pyrimidinediamine In N,N-dimethyl-formamide
83%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4,6-Dimethylbicyclo<3.3.1>nona-3,6-diene-2,8-dione
31616-72-5

4,6-Dimethylbicyclo<3.3.1>nona-3,6-diene-2,8-dione

C15H14N4
82272-27-3

C15H14N4

Conditions
ConditionsYield
In acetic acid at 118℃; for 18h;82%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

C11H12N2OS3
83431-64-5

C11H12N2OS3

(6-Methoxy-benzothiazol-2-yl)-(9H-purin-8-yl)-amine
103588-20-1

(6-Methoxy-benzothiazol-2-yl)-(9H-purin-8-yl)-amine

Conditions
ConditionsYield
In various solvent(s) Heating;82%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

ethyl 2-ethoxy-2-iminoacetate
816-27-3

ethyl 2-ethoxy-2-iminoacetate

6-amino-7-(8H)-pteridinone
1822-20-4

6-amino-7-(8H)-pteridinone

Conditions
ConditionsYield
80%
With potassium carbonate In ethanol for 2h; Heating;80%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

8-(trifluoromethyl)-9H-purine
2268-12-4

8-(trifluoromethyl)-9H-purine

Conditions
ConditionsYield
In trifluoroacetic acid at 110℃; for 24h;80%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

methyl N-phenyldithiocarbamate
701-73-5

methyl N-phenyldithiocarbamate

C11H9N5
103588-31-4

C11H9N5

Conditions
ConditionsYield
With potassium carbonate; copper(II) oxide In N,N-dimethyl-formamide at 60℃; for 1h;80%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

8-(4-methoxyphenyl)-7H-purine

8-(4-methoxyphenyl)-7H-purine

Conditions
ConditionsYield
In neat (no solvent) at 200℃; for 6h;80%
isonipecotic acid
498-94-2

isonipecotic acid

4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

8-piperidin-4-yl-7H-purine

8-piperidin-4-yl-7H-purine

Conditions
ConditionsYield
With PPA at 100℃; for 2h;78%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

1-acetyl-1H-indole-2,3-dione
574-17-4

1-acetyl-1H-indole-2,3-dione

A

7-(2-acetamidophenyl)-5H-pteridin-6-one
93065-32-8

7-(2-acetamidophenyl)-5H-pteridin-6-one

B

6-(2-acetamidophenyl)-8H-pteridin-7-one
174320-65-1

6-(2-acetamidophenyl)-8H-pteridin-7-one

Conditions
ConditionsYield
In ethanol for 168h; Heating;A 6%
B 77%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

C12H14NO6S(1-)*Na(1+)

C12H14NO6S(1-)*Na(1+)

morpholin-4-yl[4-(9h-purin-8-yl)phenyl]methanone

morpholin-4-yl[4-(9h-purin-8-yl)phenyl]methanone

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃;77%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

1,2-bis(3-bromophenyl)ethane-1,2-dione
91960-97-3

1,2-bis(3-bromophenyl)ethane-1,2-dione

C18H10Br2N4

C18H10Br2N4

Conditions
ConditionsYield
With acetic acid at 100℃; for 24h; Inert atmosphere;75%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

5,8-dihydro-pteridine-6,7-dione
3947-46-4

5,8-dihydro-pteridine-6,7-dione

Conditions
ConditionsYield
With oxalic acid In hydrogenchloride73%
4,5-pyrimidinediamine
13754-19-3

4,5-pyrimidinediamine

sodium (4-fluorophenyl)(hydroxy)methanesulfonate

sodium (4-fluorophenyl)(hydroxy)methanesulfonate

8-(4-fluorophenyl)-9H-purine

8-(4-fluorophenyl)-9H-purine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃;72%

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