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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

6-Aminouracil

Cas:873-83-6

Min.Order:1 Kilogram

FOB Price: $3.0

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 4-Amino-2,6-Dihydroxypyrimidine supplier in China

Cas:873-83-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name 6-Aminouracil CAS number 873-83-6 Assay ≥99% Appearance Yellowish powder Capacity 100mt/year Application Pharmaceutical intermediates

6-Aminouracil

Cas:873-83-6

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

6-Aminouracil

Cas:873-83-6

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 6-aminouracil

Cas:873-83-6

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 Oled CAS 873-83-6 6-Aminouracil

Cas:873-83-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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 api, intermedi

6-Aminouracil

Cas:873-83-6

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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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-Aminouracil

Cas:873-83-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

6-Aminouracil Basic information Product Name: 6-Aminouracil Synonyms: AURORA KA-377;4(6)-AMINOURACIL;4-AMINOURACIL;4-AMINO-2,6-DIHYDROXYPYRIMIDINE;4-ADHP;6-AMINO-2,

TIANFU-CHEM 6-Aminouracil 873-83-6

Cas:873-83-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

6-Aminouracil

Cas:873-83-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Factory direct supply CAS 873-83-6 with best quality

Cas:873-83-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

6-Aminouracil/ LIDE PHARMA- Factory supply / Best price

Cas:873-83-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

6-Aminouracil 873-83-6

Cas:873-83-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

6-Aminouracil CAS:873-83-6 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

6-Aminouracil CAS:873-83-6

Cas:873-83-6

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

6-Aminouracil

Cas:873-83-6

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.:873-83-6

Cas:873-83-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

6-Aminouracil

Cas:873-83-6

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:white powder/crystal Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Ai

4-Amino-2,6-dihydroxypyrimidine

Cas:873-83-6

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

6-Aminouracil

Cas:873-83-6

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

CAS873-83-6 6-Aminouracil

Cas:873-83-6

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

6-Aminouracil

Cas:873-83-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Name 6-Aminouracil Synonyms 4-Amino-2,6-dihydroxypyrimidine; 6-Amino-2,4-pyrimidinediol Molecular Structure

6-Aminouracil

Cas:873-83-6

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

6-Aminouracil

Cas:873-83-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

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

6-Aminouracil

Cas:873-83-6

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 6-Aminouracil

Cas:873-83-6

Min.Order:100 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

4-Amino-2,6-dihydroxypyrimidine

Cas:873-83-6

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 4-Amino-2,6-Dihydroxypyrimidine

Cas:873-83-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

4-Amino-2,6-dihydroxypyrimidine CAS NO.873-83-6Appearance:White or light yellow powder Storage:Refrigerator Package:according to customers' requirements Application:used as caffeine, theophylline, SDM ph. Transportation:By air(EMS or EUB or FedEx or

4-Amino-2,6-dihydroxypyrimidine CAS NO.873-83-6

Cas:873-83-6

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Yellowish crystalline powder Storage:In Room Temperature Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermediates Transportation: as per your

6-Aminouracil

Cas:873-83-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 4-Amino-2,6-Dihydroxypyrimidine CAS No.:873-83-6 Molecule Formula:C4H5N3O2 Molecule Weight:127.10 Purity: 98.0% Package: 25kg/drum Description:Pale yellow powder Manufacture Standards:Enterprise Standard TESTING ITE

Best Quality 4-Amino-2,6-Dihydroxypyrimidine with good supplier

Cas:873-83-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

urea
57-13-6

urea

methyl 2-cyanoacetate
105-34-0

methyl 2-cyanoacetate

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
Stage #1: methyl 2-cyanoacetate With sodium In methanol at 20℃; for 0.5h;
Stage #2: urea In methanol for 2h; Reflux;
96.9%
ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

urea
57-13-6

urea

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With ethanol; sodium for 3h; Heating;95%
Stage #1: ethyl 2-cyanoacetate With sodium In methanol at 20℃; for 0.5h;
Stage #2: urea In methanol for 3h; Reflux;
95.2%
With sodium In ethanol Reflux;69%
potassium carbonate
584-08-7

potassium carbonate

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 70℃; for 2h;88%
cyanoacetic acid
372-09-8

cyanoacetic acid

urea
57-13-6

urea

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With acetic anhydride; sodium hydroxide In neat (no solvent) for 0.166667h; Microwave irradiation;78%
With acetic anhydride und Behandeln des Reaktionsprodukts mit wss.NaOH;
With acetic anhydride at 60℃; for 3h;
6-Amino-2-thiouracil
1004-40-6

6-Amino-2-thiouracil

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With potassium superoxide; 18-crown-6 ether for 1h; Ambient temperature;51%
allyltriphenylphosphonium bromide
1560-54-9

allyltriphenylphosphonium bromide

6-azido-2,4(1H,3H)pyrimidinedione

6-azido-2,4(1H,3H)pyrimidinedione

A

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

B

2,4-Dioxo-1,2,3,4-tetrahydropyrrolo<3,2-d>pyrimidine
65996-50-1

2,4-Dioxo-1,2,3,4-tetrahydropyrrolo<3,2-d>pyrimidine

Conditions
ConditionsYield
Stage #1: allyltriphenylphosphonium bromide With lithium hydride In butanone at 20℃;
Stage #2: 6-azido-2,4(1H,3H)pyrimidinedione for 2h; Heating;
A 26%
B 36%
6-amino-2-methoxy-3H-4-pyrimidone
52386-29-5

6-amino-2-methoxy-3H-4-pyrimidone

chloroacetyl chloride
79-04-9

chloroacetyl chloride

A

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

B

6-amino-5-(α-chloroacetyl)-3,4-dihydro-2-methoxy-4-oxopyrimidine
130056-78-9

6-amino-5-(α-chloroacetyl)-3,4-dihydro-2-methoxy-4-oxopyrimidine

Conditions
ConditionsYield
In chloroform for 10h; Heating;A 12%
B 2%
6-amino-2-methoxy-3H-4-pyrimidone
52386-29-5

6-amino-2-methoxy-3H-4-pyrimidone

A

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

B

6-amino-5-(α-chloroacetyl)-3,4-dihydro-2-methoxy-4-oxopyrimidine
130056-78-9

6-amino-5-(α-chloroacetyl)-3,4-dihydro-2-methoxy-4-oxopyrimidine

Conditions
ConditionsYield
With chloroacetyl chloride In chloroform for 10h; Heating;A 12%
B 2%
N-(aminocarbonyl)-2-cyano-acetamide
1448-98-2

N-(aminocarbonyl)-2-cyano-acetamide

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With sodium hydroxide
With water at 120℃; im Rohr;
With sodium hydroxide
With sodium hydroxide
acetylurea
591-07-1

acetylurea

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With sodium ethanolate
With sodium amide; xylene at 120 - 150℃;
uric Acid
69-93-2

uric Acid

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With ethylenediaminetetraacetic acid; nitrogen(II) oxide In phosphate buffer pH=7.4;
6-chlorouracil
4270-27-3

6-chlorouracil

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

Conditions
ConditionsYield
With ammonia Heating;
malonic acid
141-82-2

malonic acid

urea
57-13-6

urea

A

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

2-aminopyrimidine-4,6-diol

B

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

C

BARBITURIC ACID
67-52-7

BARBITURIC ACID

D

2,4,6-trioxo-hexahydro-pyrimidine-5-carboxylic acid amide
56032-78-1

2,4,6-trioxo-hexahydro-pyrimidine-5-carboxylic acid amide

E

C5H6N4O3

C5H6N4O3

F

2-aminopyrimidine-4,6-diol
56-09-7

2-aminopyrimidine-4,6-diol

G

Malonamic acid
2345-56-4

Malonamic acid

Conditions
ConditionsYield
at 60 - 85℃; for 72h;
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

Dimethyl phosphite
868-85-9

Dimethyl phosphite

[(2,6-Dioxo-1,2,3,6-tetrahydro-pyrimidin-4-ylamino)-(4-fluoro-phenyl)-methyl]-phosphonic acid dimethyl ester

[(2,6-Dioxo-1,2,3,6-tetrahydro-pyrimidin-4-ylamino)-(4-fluoro-phenyl)-methyl]-phosphonic acid dimethyl ester

Conditions
ConditionsYield
With dibenzo-24-crown ether In benzene for 4h; Heating;99%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carbaldehyde
4869-46-9

1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carbaldehyde

C11H11N5O4
949673-03-4

C11H11N5O4

Conditions
ConditionsYield
With acetic acid for 6h; Reflux;99%
2-chloroethanal
107-20-0

2-chloroethanal

4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

pyrrolo<2,3-d>pyrimidin-2,4-dione
39929-79-8

pyrrolo<2,3-d>pyrimidin-2,4-dione

Conditions
ConditionsYield
With sodium acetate In water at 70 - 80℃;98%
With sodium acetate In water at 70 - 80℃;98%
With sodium acetate In water at 70 - 80℃; for 0.333333h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

1,3-cylohexanedione
504-02-9

1,3-cylohexanedione

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

5-(3-nitrophenyl)-8,9-dihydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H,7H,10H)-trione
324046-06-2

5-(3-nitrophenyl)-8,9-dihydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H,7H,10H)-trione

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 20h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

dimedone
126-81-8

dimedone

5-(4-hydroxyphenyl)-8,8-dimethyl-8,9-dihydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H,7H,10H)-trione
304661-89-0

5-(4-hydroxyphenyl)-8,8-dimethyl-8,9-dihydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H,7H,10H)-trione

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 22h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

1-(naphth-2-yl)-3-p-tolylprop-2-en-1-one
62918-33-6, 62918-34-7, 57115-04-5

1-(naphth-2-yl)-3-p-tolylprop-2-en-1-one

7-(naphthalen-2-yl)-5-p-tolylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
1217356-28-9

7-(naphthalen-2-yl)-5-p-tolylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

Conditions
ConditionsYield
With 1-n-butyl-3-methylimidazolim bromide at 90℃; for 7h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

1-(4-bromophenyl)-3-(4-chlorophenyl)prop-2-en-1-one
6332-22-5

1-(4-bromophenyl)-3-(4-chlorophenyl)prop-2-en-1-one

7-(4-bromophenyl)-5-(4-chlorophenyl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
1217356-27-8

7-(4-bromophenyl)-5-(4-chlorophenyl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

Conditions
ConditionsYield
With 1-n-butyl-3-methylimidazolim bromide at 90℃; for 6h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

BARBITURIC ACID
67-52-7

BARBITURIC ACID

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

5-(4-chlorophenyl)-1,3,5,7,9,10-hexahydropyrimido[5',4'-5,6]pyridine[2,3-d]pyrimidine-2,4,6,8-tetraone
1207379-34-7

5-(4-chlorophenyl)-1,3,5,7,9,10-hexahydropyrimido[5',4'-5,6]pyridine[2,3-d]pyrimidine-2,4,6,8-tetraone

Conditions
ConditionsYield
With hexamethylenetetramine-based ionic liquid immobilized on the MIL-101(Cr) metal-organic framework In neat (no solvent) at 80℃; for 0.166667h; Catalytic behavior; Reagent/catalyst; Temperature;98%
With Cu(II) immobilized L-Histidine functionalized multi-walled carbon nanotubes In ethanol for 1h; Catalytic behavior; Solvent; Reflux;95%
With piperidine In water at 60℃; for 1h; Ultrasound irradiation;88%
With propyl sulfonic acid functionalized nanoporous silica (SBA-15) In neat (no solvent) at 140℃; for 2h; Green chemistry;85%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

2-Hydroxy-1,4-naphthoquinone
83-72-7

2-Hydroxy-1,4-naphthoquinone

m-bromobenzoic aldehyde
3132-99-8

m-bromobenzoic aldehyde

5-(3-bromophenyl)-5,12-dihydrobenzo[g]pyrimido[4,5-b]quinoline-2,4,6,11(1H,3H)-tetraone
1403890-80-1

5-(3-bromophenyl)-5,12-dihydrobenzo[g]pyrimido[4,5-b]quinoline-2,4,6,11(1H,3H)-tetraone

Conditions
ConditionsYield
at 80℃; for 13h; Ionic liquid; Green chemistry;98%
With acetic acid In water for 0.25h; Microwave irradiation;92%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

formaldehyd
50-00-0

formaldehyd

N-butylamine
109-73-9

N-butylamine

5,8-dibutyl-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-pentaazaphenalene-1,3-dione

5,8-dibutyl-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-pentaazaphenalene-1,3-dione

Conditions
ConditionsYield
In ethanol; water at 65℃; for 1.5h; Microwave irradiation;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

formaldehyd
50-00-0

formaldehyd

methylamine
74-89-5

methylamine

5,8-dimethyl-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-pentaazaphenalene-1,3-dione

5,8-dimethyl-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-pentaazaphenalene-1,3-dione

Conditions
ConditionsYield
In water; dimethyl sulfoxide at 65℃; for 1.5h; Microwave irradiation;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

formaldehyd
50-00-0

formaldehyd

1-amino-2-propene
107-11-9

1-amino-2-propene

5,8-bis(2-naphthyl)-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-penta-azaphenalene-1,3-dione

5,8-bis(2-naphthyl)-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-penta-azaphenalene-1,3-dione

Conditions
ConditionsYield
In water; dimethyl sulfoxide at 65℃; for 1.5h; Solvent; Microwave irradiation;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

benzaldehyde
100-52-7

benzaldehyde

thiourea
17356-08-0

thiourea

5-phenyl-7-thioxo-1,2,3,4,5,6,7,8-octahydropyrimido[4,5-d]pyrimidine-2,4-dione
946425-41-8

5-phenyl-7-thioxo-1,2,3,4,5,6,7,8-octahydropyrimido[4,5-d]pyrimidine-2,4-dione

Conditions
ConditionsYield
With magnetic α-Fe2O3-MCM-41 mesoporous material functionalized by dual acidic ionic liquid In neat (no solvent) at 120℃; for 2h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-cyanobenzaldehyde
105-07-7

4-cyanobenzaldehyde

urea
57-13-6

urea

C13H9N5O3

C13H9N5O3

Conditions
ConditionsYield
With magnetic α-Fe2O3-MCM-41 mesoporous material functionalized by dual acidic ionic liquid In neat (no solvent) at 120℃; for 8h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

urea
57-13-6

urea

5-(4-methoxyphenyl)-1,2,3,4,5,6,7,8-octahydropyrimido[4,5-d]pyrimidine-2,4,7-trione
946425-31-6

5-(4-methoxyphenyl)-1,2,3,4,5,6,7,8-octahydropyrimido[4,5-d]pyrimidine-2,4,7-trione

Conditions
ConditionsYield
With copper(I) iodide In water at 20℃; for 5h; Green chemistry;98%
With magnetic α-Fe2O3-MCM-41 mesoporous material functionalized by dual acidic ionic liquid In neat (no solvent) at 120℃; for 8h;91%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

5-(3-nitrophenyl)-9,10-dihydropyrido[2,3-d:6,5-d′]dipyrimidine-2,4,6,8(1H,3H,5H,7H)-tetraone

5-(3-nitrophenyl)-9,10-dihydropyrido[2,3-d:6,5-d′]dipyrimidine-2,4,6,8(1H,3H,5H,7H)-tetraone

Conditions
ConditionsYield
With SBA-15 supported sulfonic acid nanocatalyst In neat (no solvent) at 120℃; for 0.5h;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

benzaldehyde
100-52-7

benzaldehyde

phenyl isothiocyanate
103-72-0

phenyl isothiocyanate

5,6-diphenyl-7-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

5,6-diphenyl-7-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione

Conditions
ConditionsYield
With MIL-53(Fe) metal-organic framework In neat (no solvent) at 110℃; for 0.333333h; Catalytic behavior; Temperature; Green chemistry;98%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-trimethylsilyl-3-butyn-2-one
5930-98-3

4-trimethylsilyl-3-butyn-2-one

6-amino-5-(3-oxo-but-1-enyl)-1H-pyrimidine-2,4-dione

6-amino-5-(3-oxo-but-1-enyl)-1H-pyrimidine-2,4-dione

Conditions
ConditionsYield
In dimethyl sulfoxide at 110℃; for 72h;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

malononitrile
109-77-3

malononitrile

7-amino-2,4-dioxo-5-(3-nitrophenyl)-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile
487061-94-9

7-amino-2,4-dioxo-5-(3-nitrophenyl)-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 10h;97%
With ZrO2 nanoparticles at 60℃; for 2h; neat (no solvent);96%
With triethanolamine In water at 80℃; for 2h; Reagent/catalyst; Time; Solvent; Concentration; Temperature; Green chemistry;94%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

meta-hydroxybenzaldehyde
100-83-4

meta-hydroxybenzaldehyde

malononitrile
109-77-3

malononitrile

7-amino-2,4-dioxo-5-(3-hydroxyphenyl)-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

7-amino-2,4-dioxo-5-(3-hydroxyphenyl)-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With ZrO2 nanoparticles at 60℃; for 2h; neat (no solvent);97%
In ethanol for 4h; Heating;79%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

malononitrile
109-77-3

malononitrile

7-amino-1,2,3,4-tetrahydro-5-(4-nitrophenyl)-2,4-dioxopyrido[2,3-d]pyrimidine-6-carbonitrile

7-amino-1,2,3,4-tetrahydro-5-(4-nitrophenyl)-2,4-dioxopyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With ZrO2 nanoparticles at 60℃; for 2h; neat (no solvent);97%
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 4h;94%
With [TMG-H][TEA-H][(HCl)(HSO4)2] at 70℃; for 0.166667h;94%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

methyl 2-cyanoacetate
105-34-0

methyl 2-cyanoacetate

2,4,7-trioxo-5-(4-bromophenyl)-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidine-6-carbonitrile

2,4,7-trioxo-5-(4-bromophenyl)-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidine-6-carbonitrile

Conditions
ConditionsYield
With ZrO2 nanoparticles at 70℃; for 1h; Neat (no solvent);97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

formaldehyd
50-00-0

formaldehyd

benzylamine
100-46-9

benzylamine

5,8-dibenzyl-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-pentaazaphenalene-1,3-dione

5,8-dibenzyl-5,6,8,9-tetrahydro-4H,7H-2,5,6a,8,9a-pentaazaphenalene-1,3-dione

Conditions
ConditionsYield
In water; dimethyl sulfoxide at 65℃; for 1.5h; Solvent; Microwave irradiation;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

thiourea
17356-08-0

thiourea

C12H9ClN4O2S

C12H9ClN4O2S

Conditions
ConditionsYield
With magnetic α-Fe2O3-MCM-41 mesoporous material functionalized by dual acidic ionic liquid In neat (no solvent) at 120℃; for 3h; Temperature;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

urea
57-13-6

urea

5-(4-chlorophenyl)-1,3,5,6,8-pentahydro-pyrimido[4,5-d]pyrimidine-2,4,7-trione
946425-33-8

5-(4-chlorophenyl)-1,3,5,6,8-pentahydro-pyrimido[4,5-d]pyrimidine-2,4,7-trione

Conditions
ConditionsYield
With magnetic α-Fe2O3-MCM-41 mesoporous material functionalized by dual acidic ionic liquid In neat (no solvent) at 120℃; for 8h;97%
With copper(I) iodide In water at 20℃; for 6h; Green chemistry;96%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

urea
57-13-6

urea

5-(4-methylphenyl)-1,2,3,4,5,6,7,8-octahydropyrimido[4,5-d]pyrimidine-2,4,7-trione
1227796-18-0

5-(4-methylphenyl)-1,2,3,4,5,6,7,8-octahydropyrimido[4,5-d]pyrimidine-2,4,7-trione

Conditions
ConditionsYield
With magnetic α-Fe2O3-MCM-41 mesoporous material functionalized by dual acidic ionic liquid In neat (no solvent) at 120℃; for 3h;97%
With copper(I) iodide In water at 20℃; for 6h; Green chemistry;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

urea
57-13-6

urea

5,6-dihydro-5-(4-bromophenyl)pyrimido[4,5-d]pyrimidine-2,4,7(1H,3H,8H)-trione

5,6-dihydro-5-(4-bromophenyl)pyrimido[4,5-d]pyrimidine-2,4,7(1H,3H,8H)-trione

Conditions
ConditionsYield
With copper(I) iodide In water at 20℃; for 2h; Solvent; Reagent/catalyst; Temperature; Green chemistry;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

1H-indene-1,3(2H)-dione
606-23-5

1H-indene-1,3(2H)-dione

5-chloroindole 2,3-dione
17630-76-1

5-chloroindole 2,3-dione

5'-chloro-1H-spiro[indeno[1,2-b]pyrido[2,3-d] pyrimidine-5,3'-indoline]-2,2',4,6(3'H,10'H)tetraone

5'-chloro-1H-spiro[indeno[1,2-b]pyrido[2,3-d] pyrimidine-5,3'-indoline]-2,2',4,6(3'H,10'H)tetraone

Conditions
ConditionsYield
In water at 95℃; for 0.0333333h; Microwave irradiation; Green chemistry;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

5-fluoro-1H-indole-2,3-dione
443-69-6

5-fluoro-1H-indole-2,3-dione

3(5)-aminopyrazole
1225387-53-0

3(5)-aminopyrazole

5-fluoro-1',9'-dihydrospiro[indoline-3,4'-pyrazolo[4',3':5,6]pyrido[2,3-d]pyrimidine]-2,5',7'(6'H,8'H)-trione

5-fluoro-1',9'-dihydrospiro[indoline-3,4'-pyrazolo[4',3':5,6]pyrido[2,3-d]pyrimidine]-2,5',7'(6'H,8'H)-trione

Conditions
ConditionsYield
With acetic acid In water at 90℃; for 7h; Reagent/catalyst; Solvent; Temperature; Green chemistry;97%
4-Amino-2,6-dihydroxypyrimidine
873-83-6

4-Amino-2,6-dihydroxypyrimidine

5-fluoro-1H-indole-2,3-dione
443-69-6

5-fluoro-1H-indole-2,3-dione

3-amino-5-methylpyrazole
31230-17-8

3-amino-5-methylpyrazole

5-fluoro-3'-methyl-1',9'-dihydrospiro[indoline-3,4'-pyrazolo[4',3':5,6]pyrido[2,3-d]pyrimidine]-2,5',7'(6'H,8'H)-trione

5-fluoro-3'-methyl-1',9'-dihydrospiro[indoline-3,4'-pyrazolo[4',3':5,6]pyrido[2,3-d]pyrimidine]-2,5',7'(6'H,8'H)-trione

Conditions
ConditionsYield
With acetic acid In water at 90℃; for 7h; Green chemistry;97%
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