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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Tetrachloropyrimido(5,4-d)pyrimidine Manufacturer/High quality/Best price/In stock

Cas:32980-71-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Factory Price OLED 99% 32980-71-5 2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine Manufacturer

Cas:32980-71-5

Min.Order:1 Gram

FOB Price: $0.1

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

2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine

Cas:32980-71-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

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

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE CAS 32980-71-5

Cas:32980-71-5

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

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

New production CAS 32980-71-5 with best quality

Cas:32980-71-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White crystalline powder Storage:Room temperature Package:1G/Bottle, 10G/Bottle,50G/Bottle Application:Pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in china

Fctory Supply 2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine

Cas:32980-71-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Tetrachloropyrimido(5,4-d)pyrimidine

Cas:32980-71-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Kilogram

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

TETRACHLOROPYRIMIDO(5,4-D)PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Gram

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

Tetrachloropyrimido(5,4-d)pyrimidine

Cas:32980-71-5

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

Pyrimido[5,4-d]pyrimidine, tetrachloro-

Cas:32980-71-5

Min.Order:10 Gram

FOB Price: $100.0

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

32980-71-5 2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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, in

Enke 2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine

Cas:32980-71-5

Min.Order:1 Kilogram

FOB Price: $300.0 / 400.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

Tetrachloropyrimido(5,4-d)pyrimidineCAS NO.: 32980-71-5

Cas:32980-71-5

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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

Buy Top Purity 2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE Synonyms: 2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE;tetrachloropyrimidopyrimidine;tetrachloropyrimido[5,4-d]pyrimidine;2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE 97+%;2,4,6,8-Tetr

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

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

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/perchloropyrimido[5,4-d]pyrimidine/SAGECHEM/Manufacturer in China

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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

Tetrachloropyrimidopyrimidine

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

纯度:98 | 包装信息:1kg/

582,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine

Cas:32980-71-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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

2,4,6,8-TetrachloropyriMido[5,4-d]pyriMidine

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Other

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Circle Star Chem-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 qualified in

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

Tetrachloropyrimido(5,4-d)pyrimidine

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

2,4,6,8-TETRACHLOROPYRIMIDO[5,4-D]PYRIMIDINE CAS No.32980-71-5

Cas:32980-71-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2,4,6,8-tetrahydroxypyrimidine-[5,4-d]pyrimidine
6713-54-8

2,4,6,8-tetrahydroxypyrimidine-[5,4-d]pyrimidine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Stage #1: 2,4,6,8-tetrahydroxypyrimidine-[5,4-d]pyrimidine With thionyl chloride In 1,4-dioxane for 1h;
Stage #2: With N,N-dimethyl-formamide In 1,4-dioxane for 1.5h; Darkness;
88.59%
With phosphorus pentachloride; trichlorophosphate at 145℃; for 25.5h;37%
With chlorine; trichlorophosphate; phosphorus trichloride at 110℃; for 24h;
3,7-disodio-1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8-(3H,7H)-tetralone

3,7-disodio-1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8-(3H,7H)-tetralone

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With phosphorus pentachloride; trichlorophosphate for 15h; Heating;51%
1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8-(3H,7H)-tetrone

1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8-(3H,7H)-tetrone

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Stage #1: 1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8-(3H,7H)-tetrone With sodium hydroxide for 0.333333h; Heating;
Stage #2: With phosphorus pentachloride; trichlorophosphate for 8h; Heating;
39%
sodium-salt of 1,5-dihydro-pyrimido<5,4-d>pyrimidine-2,4,6,8-tetraone

sodium-salt of 1,5-dihydro-pyrimido<5,4-d>pyrimidine-2,4,6,8-tetraone

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With phosphorus pentachloride; trichlorophosphate
With phosphorus pentachloride; trichlorophosphate
5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
7164-43-4

5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: aq. ammonium chloride / 1 h / 140 - 210 °C
1.2: 73 percent / aq. NaOH / Heating
2.1: 51 percent / POCl3; PCl5 / 15 h / Heating
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydroxide / water / 4 h / 100 °C
2.1: thionyl chloride / 1,4-dioxane / 1 h
2.2: 1.5 h / Darkness
View Scheme
5-aminoorotic acid
7164-43-4

5-aminoorotic acid

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N-benzyl-N,N,N-triethylammonium chloride; 2,2'-[1,2-ethanediylbis(oxy)]bisethanol / 9 h / 150 - 160 °C
2: phosphorus pentachloride; trichlorophosphate / 25.5 h / 145 °C
View Scheme
6-Methyluracil
626-48-2

6-Methyluracil

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: 2,2'-azobis(isobutyronitrile); cobalt(II) acetate; acetic acid; oxygen / 15 h / 80 °C
2.1: sodium hydroxide / water / 3 h
2.2: 25 - 45 °C / Inert atmosphere
3.1: copper; hydrogenchloride / water / 13 h / 40 °C / Inert atmosphere
4.1: sodium hydroxide / water / 4 h / 100 °C
5.1: thionyl chloride / 1,4-dioxane / 1 h
5.2: 1.5 h / Darkness
View Scheme
Multi-step reaction with 5 steps
1.1: sodium hydroxide; water; oxygen / 95 °C
2.1: nitric acid; sulfuric acid / 1 h / 10 - 30 °C
3.1: sodium dithionite / water / 0.5 h / 35 °C
4.1: 0.33 h / 100 °C
4.2: 1 h / 90 - 100 °C
4.3: 0.5 h / 60 °C / pH 4
5.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C
View Scheme
orotic acid
65-86-1

orotic acid

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: sodium hydroxide / water / 3 h
1.2: 25 - 45 °C / Inert atmosphere
2.1: copper; hydrogenchloride / water / 13 h / 40 °C / Inert atmosphere
3.1: sodium hydroxide / water / 4 h / 100 °C
4.1: thionyl chloride / 1,4-dioxane / 1 h
4.2: 1.5 h / Darkness
View Scheme
5-nitroorotic acid
17687-24-0

5-nitroorotic acid

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: copper; hydrogenchloride / water / 13 h / 40 °C / Inert atmosphere
2.1: sodium hydroxide / water / 4 h / 100 °C
3.1: thionyl chloride / 1,4-dioxane / 1 h
3.2: 1.5 h / Darkness
View Scheme
Multi-step reaction with 3 steps
1.1: sodium dithionite / water / 0.5 h / 35 °C
2.1: 0.33 h / 100 °C
2.2: 1 h / 90 - 100 °C
2.3: 0.5 h / 60 °C / pH 4
3.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C
View Scheme
tetrabromopyrimido[5,4-d]pyrimidine

tetrabromopyrimido[5,4-d]pyrimidine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With hydrogenchloride In water for 24h; Reflux;105 g
orotic acid sodium salt
154-85-8

orotic acid sodium salt

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: nitric acid; sulfuric acid / 1 h / 10 - 30 °C
2.1: sodium dithionite / water / 0.5 h / 35 °C
3.1: 0.33 h / 100 °C
3.2: 1 h / 90 - 100 °C
3.3: 0.5 h / 60 °C / pH 4
4.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C
View Scheme
C6N4O4(4-)*2Na(1+)*2H(1+)

C6N4O4(4-)*2Na(1+)*2H(1+)

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With phosphorus derivatives In N,N-dimethyl-formamide at 106 - 150℃; for 6h;
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

4,8-bis(benzylamino)-2,6-dichloropyrimido[5,4-d]pyrimidine
94542-24-2

4,8-bis(benzylamino)-2,6-dichloropyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 20℃; for 1h;98%
propylamine
107-10-8

propylamine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6-dichloro-N4,N8-di-n-propyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

2,6-dichloro-N4,N8-di-n-propyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 1h;97%
In tetrahydrofuran at 0 - 5℃; for 0.333333h;
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

propan-1-ol-3-amine
156-87-6

propan-1-ol-3-amine

3-(2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-ylamino)propan-1-ol

3-(2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-ylamino)propan-1-ol

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at -78 - 20℃; for 0.5h;97%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

methylamine
74-89-5

methylamine

2,6-dichloro-N4,N8-dimethyl-pyrimido[5,4-d]pyrimidine-4,8-diamine
500860-54-8

2,6-dichloro-N4,N8-dimethyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 2h;96%
In tetrahydrofuran at 0 - 5℃; for 0.333333h;
In tetrahydrofuran at 0 - 20℃; for 1h; Concentration; Temperature;
piperidine
110-89-4

piperidine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
7139-02-8

2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With copper(l) iodide; caesium carbonate In nitrobenzene at 180℃; for 16h; Inert atmosphere;95%
In tetrahydrofuran at 25℃;93%
Substitution;
In tetrahydrofuran at 0 - 5℃; for 0.333333h;
In tetrachloromethane; acetone at 30℃; for 1h;
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

benzylamine
100-46-9

benzylamine

4,8-bis(benzylamino)-2,6-dichloropyrimido[5,4-d]pyrimidine
94542-24-2

4,8-bis(benzylamino)-2,6-dichloropyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;93%
With potassium carbonate In tetrahydrofuran at 25℃; for 0.333333h;69%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

4-methoxy-benzylamine
2393-23-9

4-methoxy-benzylamine

2,6-dichloro-4,8-di-(4'-methoxybenzylamino)pyrimido[5,4-d]pyrimidine
213840-32-5

2,6-dichloro-4,8-di-(4'-methoxybenzylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;93%
propylamine
107-10-8

propylamine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

propyl (2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-yl)amine

propyl (2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-yl)amine

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at -78℃; for 0.833333h;93%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

ethylamine
75-04-7

ethylamine

2,6-dichloro-N4,N8-diethyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

2,6-dichloro-N4,N8-diethyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 2h;92%
In tetrahydrofuran at 0 - 20℃; for 1h;88%
In tetrahydrofuran at 0 - 5℃; for 0.333333h;
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

1-Amino-2-methyl-propan-2-ol
2854-16-2

1-Amino-2-methyl-propan-2-ol

2-methyl-1-(2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-ylamino)propan-2-ol

2-methyl-1-(2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-ylamino)propan-2-ol

Conditions
ConditionsYield
Stage #1: 2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine; 1-Amino-2-methyl-propan-2-ol In tetrahydrofuran at -78℃; for 0.5h;
Stage #2: With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at -78℃; for 0.5h;
92%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

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

1-amino-2-propene

N4,N8-diallyl-2,6-dichloro-pyrimido[5,4-d]pyrimidine-4,8-diamine

N4,N8-diallyl-2,6-dichloro-pyrimido[5,4-d]pyrimidine-4,8-diamine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 2h;91%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6,8-Trichloropyrimido[5,4-d]pyrimidin-4-ol

2,6,8-Trichloropyrimido[5,4-d]pyrimidin-4-ol

Conditions
ConditionsYield
With water In tetrahydrofuran at 20℃; for 24h;91%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

ethanolamine
141-43-5

ethanolamine

2-(2,6,8-trichloropyrimido[5 ,4-d]pyrimidin-4-ylamino)ethanol

2-(2,6,8-trichloropyrimido[5 ,4-d]pyrimidin-4-ylamino)ethanol

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at -78℃; for 2h;88%
n-Octylamine
111-86-4

n-Octylamine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis(N-octylamino)pyrimido[5,4-d]pyrimidine
218305-19-2

2,6-dichloro-4,8-bis(N-octylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
In chloroform for 0.5h; cooling;87%
In chloroform at 10℃; for 0.833333h;86%
4-methoxy-N-methylbenzylamine
702-24-9

4-methoxy-N-methylbenzylamine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-di-(N-4'-methoxybenzyl-N-methylamino)pyrimido[5,4-d]pyrimidine
213840-39-2

2,6-dichloro-4,8-di-(N-4'-methoxybenzyl-N-methylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;87%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

dibenzylamine
103-49-1

dibenzylamine

2,6-dichloro-4,8-bis-(dibenzylamino)pyrimido[5,4-d]pyrimidine
774539-00-3

2,6-dichloro-4,8-bis-(dibenzylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;87%
In tetrahydrofuran at 0 - 5℃; for 0.333333h;
n-Dodecylamine
124-22-1

n-Dodecylamine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis(N-dodecylamino)pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis(N-dodecylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
In chloroform at 10℃;86%
In chloroform cooling;86%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

3,4-dimethoxybenzylamine
5763-61-1

3,4-dimethoxybenzylamine

2,6-dichloro-N4,N8-bis(3,4-dimethoxybenzyl)pyrimido[5,4-d]pyrimidine-4,8-diamine
213840-35-8

2,6-dichloro-N4,N8-bis(3,4-dimethoxybenzyl)pyrimido[5,4-d]pyrimidine-4,8-diamine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;83%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

p-Trifluoromethylbenzylamine
3300-51-4

p-Trifluoromethylbenzylamine

2,6-dichloro-4,8-di-(4'-trifluoromethylbenzylamino)pyrimido[5,4-d]pyrimidine
213840-34-7

2,6-dichloro-4,8-di-(4'-trifluoromethylbenzylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;81%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

phenylboronic acid
98-80-6

phenylboronic acid

C18H10Cl2N4

C18H10Cl2N4

Conditions
ConditionsYield
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water; toluene at 120℃; for 3h;77%
[2-fluoro-4-(methylthio)phenyl]amine
76180-33-1

[2-fluoro-4-(methylthio)phenyl]amine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6,8-trichloro-N-(2-fluoro-4-(methylsulfonyl)phenyl)pyrimido[5,4-d]pyrimidin-4-amine

2,6,8-trichloro-N-(2-fluoro-4-(methylsulfonyl)phenyl)pyrimido[5,4-d]pyrimidin-4-amine

Conditions
ConditionsYield
Stage #1: [2-fluoro-4-(methylthio)phenyl]amine; 2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine In tetrahydrofuran; water at 0 - 20℃; for 1h;
Stage #2: With 3-chloro-benzenecarboperoxoic acid In tetrahydrofuran; dichloromethane; water at 0 - 20℃;
77%
N-methylhexanamine
35161-70-7

N-methylhexanamine

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis(N-methylhexylamino)pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis(N-methylhexylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
In chloroform cooling;76%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

cyclopropanemethylamine
2516-47-4

cyclopropanemethylamine

2,6-dichloro-N4,N8-bis-cyclopropylmethyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

2,6-dichloro-N4,N8-bis-cyclopropylmethyl-pyrimido[5,4-d]pyrimidine-4,8-diamine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 3h;76%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

N-benzyl-N-(3,4-dimethoxybenzyl)amine
13174-24-8

N-benzyl-N-(3,4-dimethoxybenzyl)amine

2,6-dichloro-4,8-di-(N-benzyl-N-3',4'-dimethoxybenzylamino)pyrimido[5,4-d]pyrimidine
774539-01-4

2,6-dichloro-4,8-di-(N-benzyl-N-3',4'-dimethoxybenzylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;74%
With potassium carbonate In tetrahydrofuran at 25℃; for 1h; Substitution;
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

2,6-dichloro-4,8-bis-(diethanoloamino)pyrimido[5,4-d]pyrimidine
68030-10-4

2,6-dichloro-4,8-bis-(diethanoloamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
In tetrahydrofuran at 25℃;74%
4-cyano-2-fluoroaniline
63069-50-1

4-cyano-2-fluoroaniline

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

3-fluoro-4-((2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-yl)amino)benzonitrile

3-fluoro-4-((2,6,8-trichloropyrimido[5,4-d]pyrimidin-4-yl)amino)benzonitrile

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 1h;74%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

benzylamine
100-46-9

benzylamine

4-benzylamino-2,6,8-trichloropyrimido[5,4-d]pyrimidine
419574-99-5

4-benzylamino-2,6,8-trichloropyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran for 0.166667h;72%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

benzyl-methyl-amine
103-67-3

benzyl-methyl-amine

2,6-dichloro-4,8-di-(N-benzyl-N-methylamino)pyrimido[5,4-d]pyrimidine
213840-37-0

2,6-dichloro-4,8-di-(N-benzyl-N-methylamino)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 25℃;72%
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
32980-71-5

2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine

(R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol
100-79-8

(R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol

2,6-dichloro-4,8-bis([R,S]2,2'-dimethyl-1',3'-dioxolane-4'-methoxy)pyrimido[5,4-d]pyrimidine

2,6-dichloro-4,8-bis([R,S]2,2'-dimethyl-1',3'-dioxolane-4'-methoxy)pyrimido[5,4-d]pyrimidine

Conditions
ConditionsYield
Stage #1: (R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol With sodium hydride In tetrahydrofuran at 50 - 60℃; for 0.166667h;
Stage #2: 2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine In tetrahydrofuran for 0.5h;
72%

Raw Materials

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