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HANGZHOU YUNUO CHEMICAL CO.,LTD

Hangzhou Yunuo Chemical Co., Ltd is located in Hangzhou city China. As a global supplier in the chemical industry, Yunuochem is to create added value for customers around the world. Sticking to such business idea of "Good faith wins the business

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xinyang Longye Chemical CO.,LTD

Our Strength 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, Accept any third party agency inspection and analysis before shipment fr

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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 2,4-Diamino-6-Hydroxypyrimidine supplier in China

Cas:56-06-4

Min.Order:1 Metric Ton

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 2,6-diamino-1H-pyrimidin-4-one

Cas:56-06-4

Min.Order:1

Negotiable

Type:Other

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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 according to the contract research and development services for the fine c

2,4-Diamino-6-hydroxypyrimidine /manufacturer/low price/high quality/in stock

Cas:56-06-4

Min.Order:1 Kilogram

FOB Price: $11.0 / 13.0

Type:Lab/Research institutions

inquiry

Chemwill Asia Co., Ltd.

2,4-Diamino-6-hydroxypyrimidine -- CHemwill

Cas:56-06-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

Leader Biochemical Group

About Product Details Mol File: 56-

China Biggest factory Manufacturer Supply High Quality 2,4-Diamino-6-hydroxypyrimidine CAS 56-06-4

Cas:56-06-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Lab/Research institutions

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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

Factory direct supply CAS 56-06-4 with best quality

Cas:56-06-4

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

Hot Sell Factory Supply Raw Material 2,4-Diamino-6-hydroxypyrimidine CAS 56-06-4

Cas:56-06-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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 email in time prod

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

2,4-Diamino-6-hydroxypyrimidine/ LIDE PHARMA- Factory supply / Best price

Cas:56-06-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

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

2,4-Diamino-6-hydroxypyrimidine,56-06-4

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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:powder Storage:Store in sealed containers at cool & dry pla

High quality 2,4-Diamino-6-hydroxypyrimidine CAS NO 56-06-4

Cas:56-06-4

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

4(3H)-Pyrimidinone,2,6-diamino- 56-06-4

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good q

Factory Supply 2,4-Diamino-6-hydroxypyrimidine CAS 56-06-4 AKS

Cas:56-06-4

Min.Order:1 Kilogram

FOB Price: $45.0 / 60.0

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 prese

2,4-Diamino-6-Hydroxypyrimidine

Cas:56-06-4

Min.Order:10025 Gram

FOB Price: $45.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

2,4-Diamino-6-hydroxypyrimidine CAS:56-06-4 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 orga

2,4-Diamino-6-hydroxypyrimidine CAS:56-06-4

Cas:56-06-4

Min.Order:1 Gram

Negotiable

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 powder/ Refer to COA Storage:Refer to COA

2,4-DIAMINO-6-HYDROXYPYRIMIDINE 99% USP Ready stock

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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(3H)-Pyrimidinone,2,6-diamino-

Cas:56-06-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 56-06-4 2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Tianjin Kind Pharma Co., Ltd.

Factory direct sales, accept customization. 2,4-Diamino-6-hydroxypyrimidine (DAHP) is a selective, specific inhibitor of GTP cyclohydrolase I, the rate limiting step for de novo pterin synthesis. In HUVEC cells, the IC50 for inhibition of BH4 biosyn

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Kilogram

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

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

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

2,4-Diamino-6-hydroxypyrimidinemonohydrate

Cas:56-06-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci

2,4-Diamino-6-hydroxypyrimidine CAS 56-06-4

Cas:56-06-4

Min.Order:1 Kilogram

FOB Price: $150.0 / 180.0

Type:Trading Company

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

Best price/In stock 2,4-Diamino-6-hydroxypyrimidine 56-06-4

Cas:56-06-4

Min.Order:1 Gram

Negotiable

Type:Other

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

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Gram

FOB Price: $1.0

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

High quality 2,4-Diamino-6-Hydroxypyrimidine

Cas:56-06-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2,4-Diamino-6-Hydroxypyrimidine CAS No.: 56-06-4 Molecule Formula:C4H8N4O5S Molecule Weight:224.20 Purity: 98.0% Package: 25kg/drum Description:White to off-white powder Manufacture Standards:Enterprise Standard

Lower Price 2,4-Diamino-6-Hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Offer2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 2,4-Diamino-6-hydroxypyrimidine CAS: 56-06-4 MF: C4H6N4O MW: 126.12 EINECS: 200-254-4 Mol File: 56-06-4.mol 2,4-Diamino-6-hydroxypyrimidine Structure 2,4-Diamino-6-hydroxypyrimidine Chemical Properties Melting point

2,4-Diamino-6-hydroxypyrimidine

Cas:56-06-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

guanidine nitrate
506-93-4

guanidine nitrate

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
Stage #1: guanidine nitrate; ethyl 2-cyanoacetate With sodium methylate In methanol for 4h; Reflux;
Stage #2: With hydrogenchloride In water pH=9; pH-value;
95%
guanidine nitrate
113-00-8

guanidine nitrate

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
With triethylamine In ethanol for 4h; Reflux;66%
2,4-diamino-5-formyl-6-oxo(1H)-pyrimidine
88075-70-1

2,4-diamino-5-formyl-6-oxo(1H)-pyrimidine

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
With sulfuric acid In methanol for 72h; Ambient temperature;
thiophenol
108-98-5

thiophenol

NU6038
100061-59-4

NU6038

A

Benzyl phenyl sulfide
831-91-4

Benzyl phenyl sulfide

B

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
With triethylamine In methanol at 60℃; Rate constant;
2,4-diamino-6-fluoropyrimidine
696-83-3

2,4-diamino-6-fluoropyrimidine

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
With sodium hydroxide In methanol; water at 20℃; Rate constant;

A

pyrimidine-4(3H)-one
51953-18-5

pyrimidine-4(3H)-one

B

2,4-diaminopyrimidine
156-81-0

2,4-diaminopyrimidine

C

parabanic acid
120-89-8

parabanic acid

D

isocytosine
108-53-2

isocytosine

E

Cytosine
71-30-7

Cytosine

F

oxalic acid
144-62-7

oxalic acid

G

guanidine nitrate
113-00-8

guanidine nitrate

H

2-oxo-propionic acid
127-17-3

2-oxo-propionic acid

I

uracil
66-22-8

uracil

J

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

L

urea
57-13-6

urea

M

glycine
56-40-6

glycine

Conditions
ConditionsYield
With copper(II) choride dihydrate In water at 80℃; for 24h; pH=7.57;A 5.6 mg
B 0.3 mg
C 0.59 mg
D 5 mg
E 0.13 mg
F 0.1 mg
G 1.6 mg
H 0.0018 mg
I 3.8 mg
J 0.3 mg
K 0.01 mg
L 1.7 mg
M 0.76 mg

A

pyrimidine-4(3H)-one
51953-18-5

pyrimidine-4(3H)-one

B

2,4-diaminopyrimidine
156-81-0

2,4-diaminopyrimidine

C

guanidine nitrate
113-00-8

guanidine nitrate

D

uracil
66-22-8

uracil

E

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

F

urea
57-13-6

urea

Conditions
ConditionsYield
With manganese(II) chloride tetrahydrate In water at 80℃; for 24h; pH=7.57;A 0.3 mg
B 0.02 mg
C 0.1 mg
D 0.03 mg
E 0.06 mg
F 0.005 mg
guanidine nitrate
506-93-4

guanidine nitrate

methyl 2-cyanoacetate
105-34-0

methyl 2-cyanoacetate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
With sodium methylate

A

pyrimidine-4(3H)-one
51953-18-5

pyrimidine-4(3H)-one

B

guanazole
1455-77-2

guanazole

C

parabanic acid
120-89-8

parabanic acid

D

LACTIC ACID
849585-22-4

LACTIC ACID

E

2-amino-1,9-dihydro-6H-purin-6-one
73-40-5

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

F

Oxalacetic acid
328-42-7

Oxalacetic acid

G

formylglycine
2491-15-8

formylglycine

H

succinic acid
110-15-6

succinic acid

I

Cytosine
71-30-7

Cytosine

J

purine
120-73-0

purine

K

oxalic acid
144-62-7

oxalic acid

L

guanidine nitrate
113-00-8

guanidine nitrate

M

2-oxo-propionic acid
127-17-3

2-oxo-propionic acid

N

uracil
66-22-8

uracil

O

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Q

urea
57-13-6

urea

R

glycine
56-40-6

glycine

S

rac-Ala-OH
302-72-7

rac-Ala-OH

T

2,4-diamino-pyrimidine-5-carboxylic acid
18588-61-9

2,4-diamino-pyrimidine-5-carboxylic acid

U

isocytosine

isocytosine

Conditions
ConditionsYield
With ferric sulfate nonahydrate; water at 80℃; for 24h;

B

guanazole
1455-77-2

guanazole

C

LACTIC ACID
849585-22-4

LACTIC ACID

D

Oxalacetic acid
328-42-7

Oxalacetic acid

E

succinic acid
110-15-6

succinic acid

F

purine
120-73-0

purine

G

oxalic acid
144-62-7

oxalic acid

H

uracil
66-22-8

uracil

I

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

J

urea
57-13-6

urea

Conditions
ConditionsYield
With copper(II) chloride tetrahydrate; water at 80℃; for 24h;

A

pyrimidine-4(3H)-one
51953-18-5

pyrimidine-4(3H)-one

B

parabanic acid
120-89-8

parabanic acid

C

2-amino-1,9-dihydro-6H-purin-6-one
73-40-5

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

D

Oxalacetic acid
328-42-7

Oxalacetic acid

E

succinic acid
110-15-6

succinic acid

F

oxalic acid
144-62-7

oxalic acid

G

2-oxo-propionic acid
127-17-3

2-oxo-propionic acid

H

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

I

urea
57-13-6

urea

J

2,4-diamino-pyrimidine-5-carboxylic acid
18588-61-9

2,4-diamino-pyrimidine-5-carboxylic acid

K

2,3-diaminomaleonitrile
18514-52-8

2,3-diaminomaleonitrile

Conditions
ConditionsYield
With water; manganese(ll) chloride at 80℃; for 24h;
malonic acid
141-82-2

malonic acid

guanidine nitrate
113-00-8

guanidine nitrate

urea
57-13-6

urea

A

2,4,6-triaminopyrimidine
1004-38-2

2,4,6-triaminopyrimidine

B

2-aminopyrimidine-4,6-diol
4425-67-6

2-aminopyrimidine-4,6-diol

C

BARBITURIC ACID
67-52-7

BARBITURIC ACID

D

2,4,6-triamino-s-triazine
108-78-1

2,4,6-triamino-s-triazine

E

pyrimidine-2,4,5-triamine
3546-50-7

pyrimidine-2,4,5-triamine

F

C4H4N2O3*C4H5N3O2

C4H4N2O3*C4H5N3O2

G

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

H

2-hydroxy-4,6-diaminopyrimidine
31458-45-4

2-hydroxy-4,6-diaminopyrimidine

I

Malonamic acid
2345-56-4

Malonamic acid

Conditions
ConditionsYield
at 65℃; for 120h;
guanidine hydrochloride
50-01-1

guanidine hydrochloride

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Conditions
ConditionsYield
With sodium ethanolate In ethanol at 50 - 70℃; under 1500.15 Torr; for 1.5h; Large scale;
4-Cyanophenacyl bromide
20099-89-2

4-Cyanophenacyl bromide

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

4-(2-amino-4-hydroxy-7H-pyrrolo[2,3-d]pyrimidin-6-yl)benzonitrile

4-(2-amino-4-hydroxy-7H-pyrrolo[2,3-d]pyrimidin-6-yl)benzonitrile

Conditions
ConditionsYield
Stage #1: 2,6-diaminopyrimidin-4-ol With sodium acetate In water at 100℃; for 0.333333h;
Stage #2: 4-Cyanophenacyl bromide In methanol at 100℃;
100%
Stage #1: 2,6-diaminopyrimidin-4-ol With sodium acetate In water at 100℃; for 0.333333h;
Stage #2: 4-Cyanophenacyl bromide In methanol; water at 100℃;
100%
potassium thioacyanate
333-20-0

potassium thioacyanate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2,4-diamino-6-hydroxy-5-thiocyanatopyrimidine
22288-75-1

2,4-diamino-6-hydroxy-5-thiocyanatopyrimidine

Conditions
ConditionsYield
Stage #1: potassium thioacyanate; 2,6-diaminopyrimidin-4-ol With acetic acid at 25 - 95℃; Inert atmosphere;
Stage #2: With bromine at 10 - 20℃; for 2h;
100%
o-chlorobenzylidene malononitrile
2698-41-1

o-chlorobenzylidene malononitrile

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2,7-diamino-3,4-dihydro-4-oxo-5-(2-chlorophenyl)pyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-3,4-dihydro-4-oxo-5-(2-chlorophenyl)pyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 5h;99%
2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

5-bromo-2,4-diamino-6-hydroxypyrimidine
6312-72-7

5-bromo-2,4-diamino-6-hydroxypyrimidine

Conditions
ConditionsYield
With bromine; sodium hydrogencarbonate In methanol; water 2 h stirring, then standing overnight;97%
With N-Bromosuccinimide; montmorillonite K-10; tetrabutylammomium bromide for 0.0416667h; microwave irradiation;92%
2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2,4-diamino-5-nitroso-6-hydroxypyrimidine
2387-48-6

2,4-diamino-5-nitroso-6-hydroxypyrimidine

Conditions
ConditionsYield
With acetic acid; sodium nitrite In water at 80℃;97%
With acetic acid; sodium nitrite In water97%
2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2,4-diamino-5-nitro-6-hydroxypyrimidine
3346-23-4

2,4-diamino-5-nitro-6-hydroxypyrimidine

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 30 - 35℃; for 2h;96.4%
With sodium nitrite In water at 0 - 5℃; under 750.075 Torr; for 0.5h; Large scale;
2-hydroxymethylene-1-tetralone sodium salt
138911-94-1

2-hydroxymethylene-1-tetralone sodium salt

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

10-amino-8-oxo-9H-5,6-dihydrobenzopyrimido<5,4-b>quinoline

10-amino-8-oxo-9H-5,6-dihydrobenzopyrimido<5,4-b>quinoline

Conditions
ConditionsYield
With phosphoric acid at 100℃; for 90h;95%
2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

3-methylbenzene-1,2-diol
488-17-5

3-methylbenzene-1,2-diol

2-amino-5-methyl-9H-pyrimido[4,5-b]indole-4,6,7-triol

2-amino-5-methyl-9H-pyrimido[4,5-b]indole-4,6,7-triol

Conditions
ConditionsYield
In aq. phosphate buffer at 20℃; pH=7; Electrolysis; Green chemistry;95%
3-[(2-methyl-4-oxo-4H-chromen-8-yl)methylene]pentane-2,4-dione
959934-74-8

3-[(2-methyl-4-oxo-4H-chromen-8-yl)methylene]pentane-2,4-dione

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

8-(6-acetyl-2-amino-4-hydroxy-7-methyl-5,8-dihydropyrido[2,3-d]-pyrimidin-5-yl)-2-methyl-4H-chromen-4-one
959934-79-3

8-(6-acetyl-2-amino-4-hydroxy-7-methyl-5,8-dihydropyrido[2,3-d]-pyrimidin-5-yl)-2-methyl-4H-chromen-4-one

Conditions
ConditionsYield
In isopropyl alcohol for 48h; Reflux; Inert atmosphere;94%
2,6-difluorobenzaldehyde
437-81-0

2,6-difluorobenzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(2,6-difluorophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(2,6-difluorophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.133333h;94%
benzene-1,2-diol
120-80-9

benzene-1,2-diol

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2-amino-9H-pyrimido[4,5-b]indole-4,6,7-triol

2-amino-9H-pyrimido[4,5-b]indole-4,6,7-triol

Conditions
ConditionsYield
In aq. phosphate buffer at 20℃; pH=7; Electrolysis; Green chemistry;93%
3,4 difluorobenzaldehyde
34036-07-2

3,4 difluorobenzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(3,4-difluorophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(3,4-difluorophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.216667h;92%
4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(4-bromophenyl)-3,4,5,8-tetrahydro-4-oxopyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(4-bromophenyl)-3,4,5,8-tetrahydro-4-oxopyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.183333h;92%
europium(III) nitrate hydrate

europium(III) nitrate hydrate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Eu((NH2)2C4N2H2O)2(H2O)3(NO3)2(1+)*NO3(1-)=Eu((NH2)2C4N2H2O)2(H2O)3(NO3)3
857036-63-6

Eu((NH2)2C4N2H2O)2(H2O)3(NO3)2(1+)*NO3(1-)=Eu((NH2)2C4N2H2O)2(H2O)3(NO3)3

Conditions
ConditionsYield
In methanol pyrimidine-compound was added to methanol, then hydrated Eu(NO3)3 was added, the soln. was stirred for 24 h; slow evapd.; elem. anal.;91%
3-methocycatechol
934-00-9

3-methocycatechol

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2-amino-5-methoxy-9H-pyrimido[4,5-b]indole-4,6,7-triol

2-amino-5-methoxy-9H-pyrimido[4,5-b]indole-4,6,7-triol

Conditions
ConditionsYield
In aq. phosphate buffer at 20℃; pH=7; Electrolysis; Green chemistry;91%
4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(4-chlorophenyl)-3,4,5,8-tetrahydro-4-oxopyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(4-chlorophenyl)-3,4,5,8-tetrahydro-4-oxopyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.166667h;91%
4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(4-cyanophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(4-cyanophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.216667h;91%
terbium(III) chloride hydrate

terbium(III) chloride hydrate

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

Tb((NH2)2C4N2H2O)2(H2O)6(3+)*3Cl(1-)=Tb((NH2)2C4N2H2O)2(H2O)6Cl3

Tb((NH2)2C4N2H2O)2(H2O)6(3+)*3Cl(1-)=Tb((NH2)2C4N2H2O)2(H2O)6Cl3

Conditions
ConditionsYield
In methanol pyrimidine-compound was added to methanol, then hydrated TbCl3 was added, the soln. was stirred for 24 h; slow evapd.; elem. anal.;90.4%
4-Nitrobenzylidenemalononitrile
2700-23-4

4-Nitrobenzylidenemalononitrile

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

2,7-diamino-3,4-dihydro-4-oxo-5-(4-nitrophenyl)pyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-3,4-dihydro-4-oxo-5-(4-nitrophenyl)pyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 6h;90%
benzaldehyde
100-52-7

benzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-4-oxo-5-phenyl-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-4-oxo-5-phenyl-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.3h;90%
m-bromobenzoic aldehyde
3132-99-8

m-bromobenzoic aldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(3-bromophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(3-bromophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.2h;90%
2,6-dichlorobenzaldehyde
83-38-5

2,6-dichlorobenzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(2,6-dichlorophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(2,6-dichlorophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.2h;90%
C12H13NO4

C12H13NO4

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

C16H19N5O5

C16H19N5O5

Conditions
ConditionsYield
In water; ethyl acetate at 50℃; for 24h;90%
n-hexanoic anhydride
2051-49-2

n-hexanoic anhydride

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

N,N'-(6-hydroxypyrimidine-2,4-diyl)dihexanamide
1402591-91-6

N,N'-(6-hydroxypyrimidine-2,4-diyl)dihexanamide

Conditions
ConditionsYield
for 4h; Reflux;89%
2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(2-chlorophenyl)-3,4,5,8-tetrahydro-4-oxopyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(2-chlorophenyl)-3,4,5,8-tetrahydro-4-oxopyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.233333h;89%
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(3-nitrophenyl)-4-oxo-3,4-dihydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(3-nitrophenyl)-4-oxo-3,4-dihydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.266667h;89%
4-hydroxy-3-ethoxybenzaldehyde
121-32-4

4-hydroxy-3-ethoxybenzaldehyde

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

malononitrile
109-77-3

malononitrile

2,7-diamino-5-(3-ethoxy-4-hydroxyphenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,7-diamino-5-(3-ethoxy-4-hydroxyphenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With silica-coated iron oxide nanomagnetic particles-bonded S-sulfonic acid In neat (no solvent) at 100℃; for 0.333333h;89%
2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

(4RS)-4-ethyl-7,8-dihydro-4-hydroxy-7-dimethylaminomethylene-1H-pyrano<3,4-f>indolizine-3,6,10(4H)-trione
154597-38-3

(4RS)-4-ethyl-7,8-dihydro-4-hydroxy-7-dimethylaminomethylene-1H-pyrano<3,4-f>indolizine-3,6,10(4H)-trione

(4RS)-8-amino-4-ethyl-4-hydroxy-1H-pyrano<3'',4'':6',7'>indolizino<2',1':5,6>pyrido<2,3-d>pyrimidine-3,10,14(4H,9H,12H)-trione

(4RS)-8-amino-4-ethyl-4-hydroxy-1H-pyrano<3'',4'':6',7'>indolizino<2',1':5,6>pyrido<2,3-d>pyrimidine-3,10,14(4H,9H,12H)-trione

Conditions
ConditionsYield
In acetic acid for 20h; Heating;88%
3-(4-chlorophenyl)-1-phenylprop-2-en-1-one
956-04-7

3-(4-chlorophenyl)-1-phenylprop-2-en-1-one

2,6-diaminopyrimidin-4-ol
56-06-4

2,6-diaminopyrimidin-4-ol

5-(4-chlorophenyl)-7-phenyl-4-oxo-5,8-dihydropyrido<2,3-d>pyrimidine

5-(4-chlorophenyl)-7-phenyl-4-oxo-5,8-dihydropyrido<2,3-d>pyrimidine

Conditions
ConditionsYield
With aluminum oxide; potassium fluoride In ethanol at 80℃; for 0.666667h;88%

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