Products

Refine

Country

Business Type

Certificate

Display

Antimex Chemical Limied

ProName: Pyrimethamine CasNo: 58-14-0 Molecular Formula: no Appearance: white powder Application: Dihydrofolate reductase inhibitor; gen... DeliveryTime: Prompt delivery after payment PackAge: 25kg/drum Port: any port

Pyrimethamine

Cas:58-14-0

Min.Order:10 Kilogram

FOB Price: $70.0

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

Pyrimethamine Manufacturer/High quality/Best price/In stock

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 58-14-0 Pyrimethamine

Cas:58-14-0

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

Pyrimethamine

Cas:58-14-0

Min.Order:100 Gram

FOB Price: $2.0

Type:Manufacturers

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C

Pyrimethamine manufacturer with low price

Cas:58-14-0

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White or off-white crystalline powder Storage:0-6°C Package:1

Manufacturer supply Pyrimethamine CAS 58-14-0 of BP standard

Cas:58-14-0

Min.Order:10 Kilogram

FOB Price: $65.0 / 80.0

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available 5, R

Pyrimethamine

Cas:58-14-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:W

Pyrimethamine

Cas:58-14-0

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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 providi

Factory Supply Pyrimethamine

Cas:58-14-0

Min.Order:1

Negotiable

Type:Other

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

High Quality 99% 2,4-Pyrimidinediamine,5-(4-chlorophenyl)-6-ethyl- 58-14-0 ISO Producer

Cas:58-14-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Pyrimethamine

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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

Pyrimethamine (base and/or unspecified salts)

Cas:58-14-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

Pyrimethamine

Cas:58-14-0

Min.Order:1 Gram

FOB Price: $1.0

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

Pyrimethamine

Cas:58-14-0

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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 manufacturing

Pyrimethamine 58-14-0

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

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 58-14-0 with best quality

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Pyrimethamine CAS 58-14-0 Brand: Sinotech MW:248.71 MSDS: Avaiable MF :C12H13ClN4 Sample: Avaiable Category: API Min order: 1kg Quality stan

Pyrimethamine 58-14-0

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Pyrimethamine Molecular Structure: Formula: C12H13ClN4 Molecular Weight : 248.71 Synonyms: 2,4-Diamino-5-(4-chlorophenyl)-6-ethylpyrimidine;[2-amino-5-(4-c

Factory Supply Pyrimethamine

Cas:58-14-0

Min.Order:1 Kilogram

Negotiable

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

2,4-Pyrimidinediamine,5-(4-chlorophenyl)-6-ethyl- 58-14-0

Cas:58-14-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

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

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

antimalarial drug cas 58-14-0 BP USP 99% Pyrimethamine

Cas:58-14-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Baoji Guokang Healthchem co.,ltd

About us 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.

Pyrimethamine

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $140.0 / 150.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Pyrimethamine CAS:58-14-0 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,

Pyrimethamine CAS:58-14-0

Cas:58-14-0

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-Pyrimidinediamine,5-(4-chlorophenyl)-6-ethyl-

Cas:58-14-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Pyrimethamine

Cas:58-14-0

Min.Order:1 Kilogram

FOB Price: $60.0 / 80.0

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao

Pyrimethamine 58-14-0

Cas:58-14-0

Min.Order:0 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

Pyrimethamine

Cas:58-14-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: Pyrimethamine Synonyms: 2,4-Diamino-5-(4-chlorophenyl)-6-ethylpyrimidine;2,4-Diamino-5-chlorophenyl-6-ethylpyrimidine;2,4-Pyrimidinediamine, 5-(4-chlorophenyl)-6-ethyl-;2,4-Pyrimidinediamine, 5-(p-chlorophenyl)-6-ethyl-;2,4-Pyrimid

Pyrimethamine 99% Manufactuered in China best quality

Cas:58-14-0

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

pyrimethamine

Cas:58-14-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

Pyrimethamine

Cas:58-14-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2,4-diamino-5-(3-azido-4-chlorophenyl)-6-ethylpyrimidine
95458-40-5

2,4-diamino-5-(3-azido-4-chlorophenyl)-6-ethylpyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With hydrazine hydrate for 0.25h; Heating;85%
4-Chlorophenylboronic acid
1679-18-1

4-Chlorophenylboronic acid

2,4-diamino-6-ethyl-5-iodopyrimidine
514854-13-8

2,4-diamino-6-ethyl-5-iodopyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With dipotassium hydrogenphosphate; Pd(OAc)2(dppf)2 In 1,2-dimethoxyethane for 24h; Suzuki cross-coupling; Heating;76%
5-(4-chlorophenyl)pyrimidine-2,4-diamine
17039-14-4

5-(4-chlorophenyl)pyrimidine-2,4-diamine

Ethyl boronic acid
4433-63-0

Ethyl boronic acid

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Stage #1: 5-(4-chlorophenyl)pyrimidine-2,4-diamine With acetic acid; trifluoroacetic acid In acetonitrile at 20℃; for 0.166667h; Minisci Aromatic Substitution; Green chemistry;
Stage #2: Ethyl boronic acid With oxygen In acetonitrile at 110℃; under 760.051 Torr; for 10h; Minisci Aromatic Substitution; Green chemistry;
74%
C12H12ClN6(1+)*BF4(1-)

C12H12ClN6(1+)*BF4(1-)

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With formamide; triethylamine Ambient temperature;64%
1-(4-chlorophenyl)-1-cyano-2-methoxybut-1-ene

1-(4-chlorophenyl)-1-cyano-2-methoxybut-1-ene

guanidine hydrochloride
50-01-1

guanidine hydrochloride

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With sodium methylate In various solvent(s) for 16h; Heating;50%
α-(4-chlorophenyl)-α-propionylacetonitrile
55474-40-3

α-(4-chlorophenyl)-α-propionylacetonitrile

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With diethyl ether anschliessenden Erwaermen mit Guanidin in Aethanol;
6-ethyl-2-amino-5-(4-chloro-phenyl)-3H-pyrimidine-4-thione
105640-59-3

6-ethyl-2-amino-5-(4-chloro-phenyl)-3H-pyrimidine-4-thione

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With ethanol; ammonia at 180℃;
N-[4-ethyl-6-chloro-5-(4-chloro-phenyl)-pyrimidin-2-yl]-acetamide
100716-90-3

N-[4-ethyl-6-chloro-5-(4-chloro-phenyl)-pyrimidin-2-yl]-acetamide

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With ethanol; ammonia at 155℃;
With ammonia; phenol at 110℃;
2-(4-chloro-phenyl)-3-isobutoxy-pent-2-enenitrile
67466-67-5

2-(4-chloro-phenyl)-3-isobutoxy-pent-2-enenitrile

sodium ethanolate
141-52-6

sodium ethanolate

guanidine nitrate
506-93-4

guanidine nitrate

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With ethanol
3-anilino-2-(4-chloro-phenyl)-pent-2-enenitrile

3-anilino-2-(4-chloro-phenyl)-pent-2-enenitrile

Triethyl orthoacetate
78-39-7

Triethyl orthoacetate

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
anschliessenden Erhitzen mit Guanidin in Aethanol auf 130grad/2 Torr;
Diacetamidopyrimethamine
71523-78-9

Diacetamidopyrimethamine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With zinc(II) chloride In ethanol for 2h; Ambient temperature;
N-[5-(4-Chloro-phenyl)-2-(2,2-dimethyl-propionylamino)-6-ethyl-pyrimidin-4-yl]-2,2-dimethyl-propionamide
143947-40-4

N-[5-(4-Chloro-phenyl)-2-(2,2-dimethyl-propionylamino)-6-ethyl-pyrimidin-4-yl]-2,2-dimethyl-propionamide

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With zinc(II) chloride In ethanol for 2h; Heating;
Multi-step reaction with 3 steps
1: ZnCl2 / ethanol / 2 h / Heating
2: 76 percent / Heating
3: ZnCl2 / ethanol / 6 h / Heating
View Scheme
C26H21ClN4O2
143947-41-5

C26H21ClN4O2

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With zinc(II) chloride In ethanol for 6h; Heating;
Multi-step reaction with 3 steps
1: ZnCl2 / ethanol / 6 h / Heating
2: 62 percent / Heating
3: ZnCl2 / ethanol / 2 h / Heating
View Scheme
2-ethyl-6-chloro-5-<4-chloro-phenyl>-pyrimidin-2-ylamine

2-ethyl-6-chloro-5-<4-chloro-phenyl>-pyrimidin-2-ylamine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With ethanol; ammonia at 130℃;
sodium ethanolate
141-52-6

sodium ethanolate

<1-ethyl-2-<4-chloro-phenyl>-2-cyano-vinyl>-guanidine

<1-ethyl-2-<4-chloro-phenyl>-2-cyano-vinyl>-guanidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With ethanol anschliessenden Erhitzen mit Guanidin in Aethanol auf 130grad/2 Torr;
guanidine nitrate
113-00-8

guanidine nitrate

α-(4-chlorophenyl)-β-methoxy-α-propionylacrylonitrile

α-(4-chlorophenyl)-β-methoxy-α-propionylacrylonitrile

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
In dimethyl sulfoxide at 80℃; for 0.0833333h;0.70 g
6-ethylisocytosine
5734-66-7

6-ethylisocytosine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 90 percent / POCl3 / Heating
2: 35 percent aq. NH3
3: 56 percent / I2; aq. NaOH / CHCl3 / 5 h
4: 76 percent / Pd(OAc)2(dppf)2; aq. K2HPO4 / 1,2-dimethoxy-ethane / 24 h / Heating
View Scheme
2,4-diamino-6-ethylpyrimidine
514854-12-7

2,4-diamino-6-ethylpyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 56 percent / I2; aq. NaOH / CHCl3 / 5 h
2: 76 percent / Pd(OAc)2(dppf)2; aq. K2HPO4 / 1,2-dimethoxy-ethane / 24 h / Heating
View Scheme
2-amino-4-chloro-6-ethylpyrimidine
5734-67-8

2-amino-4-chloro-6-ethylpyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 35 percent aq. NH3
2: 56 percent / I2; aq. NaOH / CHCl3 / 5 h
3: 76 percent / Pd(OAc)2(dppf)2; aq. K2HPO4 / 1,2-dimethoxy-ethane / 24 h / Heating
View Scheme
α-(4-chlorophenyl)-α-propionylacetonitrile
55474-40-3

α-(4-chlorophenyl)-α-propionylacetonitrile

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: dioxane / 20 °C
2: 0.70 g / dimethylsulfoxide / 0.08 h / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: 100 °C
2: anschliessenden Erhitzen mit Guanidin in Aethanol auf 130grad/2 Torr
View Scheme
Multi-step reaction with 2 steps
1: toluene-4-sulfonic acid; toluene
2: ethanol
View Scheme
p-chlorobenzyl cyanide
140-53-4

p-chlorobenzyl cyanide

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: LDA / tetrahydrofuran / 0.17 h / -78 °C
1.2: 62 percent / tetrahydrofuran / -78 °C
2.1: dioxane / 20 °C
3.1: 0.70 g / dimethylsulfoxide / 0.08 h / 80 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium ethylate
2: 100 °C
3: anschliessenden Erhitzen mit Guanidin in Aethanol auf 130grad/2 Torr
View Scheme
Multi-step reaction with 2 steps
1: sodium ethylate
2: diethyl ether / anschliessenden Erwaermen mit Guanidin in Aethanol
View Scheme
Multi-step reaction with 4 steps
1.1: sodium ethanolate / ethanol / 4 h / 80 °C
2.1: sodium hydride / tetrahydrofuran / 1.5 h / 0 - 20 °C / Inert atmosphere
2.2: 5 h / 0 - 20 °C / Inert atmosphere
3.1: sodium ethanolate / ethanol / 10 h / 80 °C
4.1: trifluoroacetic acid; acetic acid / acetonitrile / 0.17 h / 20 °C / Green chemistry
4.2: 10 h / 110 °C / 760.05 Torr / Green chemistry
View Scheme
2,4-diamino-5-<4-chloro-3-(3-methyltriazen-1-yl)phenyl>-6-ethylpyrimidine

2,4-diamino-5-<4-chloro-3-(3-methyltriazen-1-yl)phenyl>-6-ethylpyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 95 percent / 0.5M aq. HCl / 0.08 h / Heating
2: 1.) NaNO2, 5M aq. HCl; 2.) NaN3 / 1.) 0 deg C; 2.) 0 deg C, 2 h
3: 85 percent / 98percent hydrazine hydrate / 0.25 h / Heating
View Scheme
2,4-diamino-5-(3-amino-4-chlorophenyl)-6-ethylpyrimidine
24851-19-2

2,4-diamino-5-(3-amino-4-chlorophenyl)-6-ethylpyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) NaNO2, 5M aq. HCl; 2.) NaN3 / 1.) 0 deg C; 2.) 0 deg C, 2 h
2: 85 percent / 98percent hydrazine hydrate / 0.25 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: 1.) 3M aq. HCl, aq. NaNO2 / 1.) 0 deg C; 2.) 0 deg C, 2 h
2: 95 percent / 0.5M aq. HCl / 0.08 h / Heating
3: 1.) NaNO2, 5M aq. HCl; 2.) NaN3 / 1.) 0 deg C; 2.) 0 deg C, 2 h
4: 85 percent / 98percent hydrazine hydrate / 0.25 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: NaNO2, aq. HBF4
2: 64 percent / Et3N, formamide / Ambient temperature
View Scheme
2,4-diamino-5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine
21813-35-4

2,4-diamino-5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: SnCl2*2H2O / ethanol / Heating
2: 1.) NaNO2, 5M aq. HCl; 2.) NaN3 / 1.) 0 deg C; 2.) 0 deg C, 2 h
3: 85 percent / 98percent hydrazine hydrate / 0.25 h / Heating
View Scheme
Multi-step reaction with 5 steps
1: SnCl2*2H2O / ethanol / Heating
2: 1.) 3M aq. HCl, aq. NaNO2 / 1.) 0 deg C; 2.) 0 deg C, 2 h
3: 95 percent / 0.5M aq. HCl / 0.08 h / Heating
4: 1.) NaNO2, 5M aq. HCl; 2.) NaN3 / 1.) 0 deg C; 2.) 0 deg C, 2 h
5: 85 percent / 98percent hydrazine hydrate / 0.25 h / Heating
View Scheme
N-[4-ethyl-5-(4-chloro-phenyl)-6-oxo-1,6-dihydro-pyrimidin-2-yl]-acetamide
100709-69-1

N-[4-ethyl-5-(4-chloro-phenyl)-6-oxo-1,6-dihydro-pyrimidin-2-yl]-acetamide

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: trichlorophosphate
2: ammonia; phenol / 110 °C
View Scheme
2-(4-chloro-phenyl)-3-oxo-propionitrile
62538-21-0

2-(4-chloro-phenyl)-3-oxo-propionitrile

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium hydride / tetrahydrofuran / 1.5 h / 0 - 20 °C / Inert atmosphere
1.2: 5 h / 0 - 20 °C / Inert atmosphere
2.1: sodium ethanolate / ethanol / 10 h / 80 °C
3.1: trifluoroacetic acid; acetic acid / acetonitrile / 0.17 h / 20 °C / Green chemistry
3.2: 10 h / 110 °C / 760.05 Torr / Green chemistry
View Scheme
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

2,4-diamino-5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine
21813-35-4

2,4-diamino-5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 50℃; for 1h;95%
With sulfuric acid; nitric acid 50 deg C, 1 h; 25 deg C, 18 h;
With sulfuric acid; nitric acid
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

A

nitropyrimethamine

nitropyrimethamine

B

2,4-diamino-5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine
21813-35-4

2,4-diamino-5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine

Conditions
ConditionsYield
A n/a
B 93.8%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

acetic anhydride
108-24-7

acetic anhydride

Diacetamidopyrimethamine
71523-78-9

Diacetamidopyrimethamine

Conditions
ConditionsYield
for 2h; Heating;89%
With acetic acid for 1.5h; Heating;57%
pentanoic anhydride
2082-59-9

pentanoic anhydride

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Pentanoic acid [5-(4-chloro-phenyl)-6-ethyl-2-pentanoylamino-pyrimidin-4-yl]-amide
143947-39-1

Pentanoic acid [5-(4-chloro-phenyl)-6-ethyl-2-pentanoylamino-pyrimidin-4-yl]-amide

Conditions
ConditionsYield
Heating;88%
6-bromo-2-phenyl-4H-benzo[2,3-d]-1,3-oxazin-4-one
66387-70-0

6-bromo-2-phenyl-4H-benzo[2,3-d]-1,3-oxazin-4-one

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

3-[4-amino-5-(4-chloro-phenyl)-6-ethyl-pyrimidin-2-yl]-6-bromo-2-phenyl-3H-quinazolin-4-one

3-[4-amino-5-(4-chloro-phenyl)-6-ethyl-pyrimidin-2-yl]-6-bromo-2-phenyl-3H-quinazolin-4-one

Conditions
ConditionsYield
In acetic acid for 6h; Heating;84%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

propionic acid anhydride
123-62-6

propionic acid anhydride

N-[5-(4-Chloro-phenyl)-6-ethyl-2-propionylamino-pyrimidin-4-yl]-propionamide
143947-37-9

N-[5-(4-Chloro-phenyl)-6-ethyl-2-propionylamino-pyrimidin-4-yl]-propionamide

Conditions
ConditionsYield
Heating;83%
2-methyl-6-bromo-4H-3,1-benzoxazine-4-one
19165-25-4

2-methyl-6-bromo-4H-3,1-benzoxazine-4-one

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

3-[4-amino-5-(4-chloro-phenyl)-6-ethyl-pyrimidin-2-yl]-6-bromo-2-methyl-3H-quinazolin-4-one

3-[4-amino-5-(4-chloro-phenyl)-6-ethyl-pyrimidin-2-yl]-6-bromo-2-methyl-3H-quinazolin-4-one

Conditions
ConditionsYield
In acetic acid for 6h; Heating;83%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

4-amino-6-ethyl-1,3,5-triazin-2-yl p-chlorophenyl ketone

4-amino-6-ethyl-1,3,5-triazin-2-yl p-chlorophenyl ketone

Conditions
ConditionsYield
With air; hematoporphyrin In ethanol for 7h; Irradiation;81%
With air; hematoporphyrin In ethanol for 7h; Product distribution; Mechanism; Irradiation; further solvents and sensitizens;
butanoic acid anhydride
106-31-0

butanoic acid anhydride

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

N-[2-Butyrylamino-5-(4-chloro-phenyl)-6-ethyl-pyrimidin-4-yl]-butyramide
143947-38-0

N-[2-Butyrylamino-5-(4-chloro-phenyl)-6-ethyl-pyrimidin-4-yl]-butyramide

Conditions
ConditionsYield
Heating;77%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

benzoic acid anhydride
93-97-0

benzoic acid anhydride

C26H21ClN4O2
143947-41-5

C26H21ClN4O2

Conditions
ConditionsYield
Heating;76%
methanesulfonic acid
75-75-2

methanesulfonic acid

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

5-(4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine methane sulfonic acid

5-(4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine methane sulfonic acid

Conditions
ConditionsYield
In acetone at 20℃; for 1h; Solvent;70%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

2,2-dimethylpropanoic anhydride
1538-75-6

2,2-dimethylpropanoic anhydride

N-[5-(4-Chloro-phenyl)-2-(2,2-dimethyl-propionylamino)-6-ethyl-pyrimidin-4-yl]-2,2-dimethyl-propionamide
143947-40-4

N-[5-(4-Chloro-phenyl)-2-(2,2-dimethyl-propionylamino)-6-ethyl-pyrimidin-4-yl]-2,2-dimethyl-propionamide

Conditions
ConditionsYield
Heating;62%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

2-amino-5-(p-chlorophenyl)-t-6-ethyl-5,6-dihydro-r-5-hydroxy-4(3H)-pyrimidinone

2-amino-5-(p-chlorophenyl)-t-6-ethyl-5,6-dihydro-r-5-hydroxy-4(3H)-pyrimidinone

Conditions
ConditionsYield
With sodium tetrahydroborate; air; rose bengal In ethanol for 24h; Irradiation;39%
With sodium tetrahydroborate; air; rose bengal In ethanol for 24h; Mechanism; Irradiation;
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

acetic anhydride
108-24-7

acetic anhydride

A

acetyl-pyrimethamine
74124-11-1

acetyl-pyrimethamine

B

triacetyl-pyrimethamine
74124-12-2

triacetyl-pyrimethamine

Conditions
ConditionsYield
With pyridine Ambient temperature;A 31.5%
B 13%
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

2-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one
91396-20-2

2-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one

Conditions
ConditionsYield
With hydrogenchloride; water
With hydrogenchloride In water for 48h; Reflux; Inert atmosphere;
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

acetic anhydride
108-24-7

acetic anhydride

tetracetyl-pyrimethamine
74124-13-3

tetracetyl-pyrimethamine

Conditions
ConditionsYield
With pyridine Ambient temperature;
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

acetyl chloride
75-36-5

acetyl chloride

Diacetamidopyrimethamine
71523-78-9

Diacetamidopyrimethamine

Conditions
ConditionsYield
With dmap In pyridine for 12h; Ambient temperature;
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

A

2-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one
91396-20-2

2-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one

B

4-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-2(1H)-one
93456-61-2

4-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-2(1H)-one

Conditions
ConditionsYield
With hydrogenchloride In water for 18h; Heating;A 33 % Spectr.
B 67 % Spectr.
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

A

2-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one hydrochloride
104498-88-6

2-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one hydrochloride

B

4-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-2(1H)-one
93456-61-2

4-amino-5-(4-chlorophenyl)-6-ethylpyrimidin-2(1H)-one

Conditions
ConditionsYield
With hydrogenchloride In water Product distribution; boiling, 18 h; 4 deg C, 6 d; further pyrimethamine derivatives, further reagent;A 33 % Spectr.
B 7 % Spectr.
2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine
58-14-0

2,4-diamino-5-(4-chlorophenyl)-6-ethylpyrimidine

Phenoxy-acetic acid (E)-10-oxo-dec-5-enyl ester

Phenoxy-acetic acid (E)-10-oxo-dec-5-enyl ester

Conditions
ConditionsYield
With sodium acetate; pyridinium chlorochromate In dichloromethane for 2h; Ambient temperature;
Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View