Products

Refine

Country

Business Type

Certificate

Display

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 services. DayangChem can provide different quantities of custom synthesis ch

Istradefylline Manufacturer/High quality/Best price/In stock

Cas:155270-99-8

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

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

Istradefylline

Cas:155270-99-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

High quality 99%up Frequenly and commercially produced Produced under GMP regulation. With cGMP and DMF documents. One of the biggest prodcer in China Appearance:White to off-white crystalline powder Storage:room temperature Package:25kg/drum or

Istradefylline

Cas:155270-99-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Appearance:white to beige powder Storage:2-8°C Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai

Cas no.155270-99-8 98% 8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione

Cas:155270-99-8

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione Basic information Product Name: 8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-pu

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione

Cas:155270-99-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione CAS 155270-99-8

Cas:155270-99-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

New production CAS 155270-99-8 with best quality

Cas:155270-99-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

Qingdao Beluga Import and Export Co., LTD

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione CAS:155270-99-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemic

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione CAS:155270-99-8

Cas:155270-99-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

API name: Istradefylline Certificates: GMP, DMF CAS No.: 155270-99-8 Chemical name: 8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methylpurine-2,6-dione UNII-2GZ0LIK7T4 KW 6002 Formula: C20H24N4O4 Structure: Appearance:White or of

Istradefylline

Cas:155270-99-8

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Trading Company

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder 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:As

Istradefylline

Cas:155270-99-8

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

KW-6002 Istradefylline 155270-99-8

Cas:155270-99-8

Min.Order:1 Gram

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

8-[(E)-2-(3,4-DIMETHOXYPHENYL)ETHENYL]-1,3-DI...

Cas:155270-99-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

istradefylline

Cas:155270-99-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

8-[(E)-2-(3,4-Dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione;;KW-6002

Cas:155270-99-8

Min.Order:4 Kilogram

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

Istradefylline

Cas:155270-99-8

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

Istradefylline CAS NO.155270-99-8

Cas:155270-99-8

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione

Cas:155270-99-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dioneCAS NO.: 155270-99-8

Cas:155270-99-8

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

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,

Istradefylline;KW-6002;(E)-8-(3,4-dimethoxystyryl)-1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione

Cas:155270-99-8

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

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

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione

Cas:155270-99-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:Active Pharmaceutical I

Istradefylline

Cas:155270-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai

Istradefylline (KW-6002)

Cas:155270-99-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

8-[(E)-2-(3,4-DiMethoxyphenyl)ethenyl]-1,3-diethyl-7-Methyl-purine-2,6 -dione

Cas:155270-99-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

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

Istradefylline

Cas:155270-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

Istradefylline

Cas:155270-99-8

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:It is an impo

155270-99-8 supplier in China

Cas:155270-99-8

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methyl-purine-2,6 -dione 100mg

Cas:155270-99-8

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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

Istradefylline (KW-6002)

Cas:155270-99-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
155270-98-7

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione

methyl iodide
74-88-4

methyl iodide

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 5h;99%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;95%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;95%
1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione
31617-39-7

1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione

3,4-dimethoxystyrene
6380-23-0

3,4-dimethoxystyrene

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Stage #1: 1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione With pyridine; palladium diacetate; copper(II) acetate monohydrate; copper(l) chloride In N,N-dimethyl acetamide at 20℃; for 0.0833333h; Heck reaction; Inert atmosphere;
Stage #2: 3,4-dimethoxystyrene In N,N-dimethyl acetamide at 120℃; for 20h; Heck reaction; Inert atmosphere;
95%
C20H26N4O5

C20H26N4O5

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With sodium methylate In 1,4-dioxane at 90 - 95℃; for 3h; Reagent/catalyst; Temperature;94%
methyl 2‐cyano‐2‐[(2E)‐3‐(3,4‐dimethoxyphenyl)‐N‐methylprop‐2‐enamido]acetate

methyl 2‐cyano‐2‐[(2E)‐3‐(3,4‐dimethoxyphenyl)‐N‐methylprop‐2‐enamido]acetate

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With N,N'-diethylurea In 1,4-dioxane at 90 - 95℃; for 4h;92.5%
1,3-diethyl-7,8-dimethyl-1H-purine-2,6-(3H,7H)-dione

1,3-diethyl-7,8-dimethyl-1H-purine-2,6-(3H,7H)-dione

3,4-dimethoxy-benzaldehyde
120-14-9

3,4-dimethoxy-benzaldehyde

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With acetic anhydride; acetic acid at 110℃; for 10h;92%
N,N'-diethylurea
623-76-7

N,N'-diethylurea

(E)-3,4-dimethoxycinnamic chloride
39856-08-1, 141236-46-6

(E)-3,4-dimethoxycinnamic chloride

ethyl 2-methylaminocyanoacetate

ethyl 2-methylaminocyanoacetate

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Stage #1: N,N'-diethylurea; ethyl 2-methylaminocyanoacetate In 1,4-dioxane at 95 - 100℃; for 5h;
Stage #2: With potassium hydroxide at 10 - 95℃; for 3h;
Stage #3: (E)-3,4-dimethoxycinnamic chloride With triethylamine In 1,4-dioxane at 10 - 45℃; for 5h; Temperature;
90.9%
carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
155270-98-7

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With potassium tert-butylate In N,N-dimethyl-formamide at 135℃; for 6h; Reagent/catalyst; Temperature; Molecular sieve;86%
With potassium tert-butylate In N,N-dimethyl-formamide at 135℃; for 6h; Reagent/catalyst; Temperature; Molecular sieve;86%
dimethyl sulfate
77-78-1

dimethyl sulfate

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
155270-98-7

8-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h; Darkness;71.8%
carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

(E)-N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)propenamide
187393-68-6

(E)-N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)propenamide

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Stage #1: (E)-N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)propenamide With potassium carbonate In N,N-dimethyl-formamide at 120℃; for 0.5h;
Stage #2: carbonic acid dimethyl ester In N,N-dimethyl-formamide at 120 - 140℃; for 2h; Temperature;
52.4%
5,6-diamino-1,3-diethyluracil
52998-22-8

5,6-diamino-1,3-diethyluracil

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 65 percent / pyridine / CH2Cl2 / 16 h / 20 °C
2: 92 percent / 1,1,1,3,3,3-hyxamethyldisilazane; (NH4)2SO4 / 4 h / 170 - 180 °C
3: 95 percent / potassium carbonate / dimethylformamide / 0.5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1.1: EDAC / dioxane; H2O
1.2: 35 percent / aq. NaOH / Heating
2.1: K2CO3 / dimethylformamide
View Scheme
Multi-step reaction with 2 steps
1: 1) 1-<3-(dimethylamino)propyl>-3-ethylcarbodiimide hydrochloride, 2) 1N NaOH / 1) dioxane, H2O, 2) dioxane, H2O, reflux
2: K2CO3 / dimethylformamide / 50 °C
View Scheme
6-amino-1,3-diethyl-5-nitroso-1H,3H-pyrimidine-2,4-dione
89073-60-9

6-amino-1,3-diethyl-5-nitroso-1H,3H-pyrimidine-2,4-dione

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 80 percent / NH3; sodium dithionite / H2O / 60 °C
2: 65 percent / pyridine / CH2Cl2 / 16 h / 20 °C
3: 92 percent / 1,1,1,3,3,3-hyxamethyldisilazane; (NH4)2SO4 / 4 h / 170 - 180 °C
4: 95 percent / potassium carbonate / dimethylformamide / 0.5 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1.1: ammonium hydroxide; sodium dithionite / water / 0.5 h
2.1: pyridine / dichloromethane / 24 h / 20 °C
3.1: acetonitrile / Microwave irradiation
3.2: 5 h / 160 °C / Microwave irradiation
4.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1: palladium 10% on activated carbon; hydrogen / methanol / 15 °C / 3750.38 - 4500.45 Torr
2: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 10 - 35 °C
3: sodium hydroxide / propan-1-ol / 5 h / Reflux
4: potassium carbonate / N,N-dimethyl-formamide / 3 h / 50 - 60 °C
5: acetic acid; acetic anhydride / 10 h / 110 °C
View Scheme
Multi-step reaction with 4 steps
1.1: potassium carbonate / water / 30 - 50 °C
1.2: 1 h / 20 °C
2.1: oxalyl dichloride / dichloromethane; N,N-dimethyl-formamide / 1.5 h / 25 °C
2.2: 1 h / 20 °C
3.1: sodium hydroxide / water; 1,4-dioxane / 2 h / 60 °C
4.1: potassium carbonate / N,N-dimethyl-formamide / 24 h / 20 °C / Darkness
View Scheme
6-amino-1,3-diethyluracil
41740-15-2

6-amino-1,3-diethyluracil

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 74 percent / acetic acid; NaNO2 / H2O / 0.25 h / 50 - 60 °C
2: 80 percent / NH3; sodium dithionite / H2O / 60 °C
3: 65 percent / pyridine / CH2Cl2 / 16 h / 20 °C
4: 92 percent / 1,1,1,3,3,3-hyxamethyldisilazane; (NH4)2SO4 / 4 h / 170 - 180 °C
5: 95 percent / potassium carbonate / dimethylformamide / 0.5 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1.1: sodium nitrite / acetic acid / 0.25 h / 50 - 60 °C
2.1: ammonium hydroxide; sodium dithionite / water / 0.5 h
3.1: pyridine / dichloromethane / 24 h / 20 °C
4.1: acetonitrile / Microwave irradiation
4.2: 5 h / 160 °C / Microwave irradiation
5.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
(E)-N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)propenamide
187393-68-6

(E)-N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)propenamide

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 92 percent / 1,1,1,3,3,3-hyxamethyldisilazane; (NH4)2SO4 / 4 h / 170 - 180 °C
2: 95 percent / potassium carbonate / dimethylformamide / 0.5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1.1: acetonitrile / Microwave irradiation
1.2: 5 h / 160 °C / Microwave irradiation
2.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
3,4-dimethoxy-trans-cinnamic acid
14737-89-4

3,4-dimethoxy-trans-cinnamic acid

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: EDAC / dioxane; H2O
1.2: 35 percent / aq. NaOH / Heating
2.1: K2CO3 / dimethylformamide
View Scheme
Multi-step reaction with 2 steps
1: 1) 1-<3-(dimethylamino)propyl>-3-ethylcarbodiimide hydrochloride, 2) 1N NaOH / 1) dioxane, H2O, 2) dioxane, H2O, reflux
2: K2CO3 / dimethylformamide / 50 °C
View Scheme
Multi-step reaction with 4 steps
1.1: thionyl chloride / toluene / 16 h / 75 °C
2.1: pyridine / dichloromethane / 24 h / 20 °C
3.1: acetonitrile / Microwave irradiation
3.2: 5 h / 160 °C / Microwave irradiation
4.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
N,N-diethylurea
634-95-7

N,N-diethylurea

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: acetic acid / 2 h / 80 °C
2.1: sodium nitrite / acetic acid / 0.25 h / 50 - 60 °C
3.1: ammonium hydroxide; sodium dithionite / water / 0.5 h
4.1: pyridine / dichloromethane / 24 h / 20 °C
5.1: acetonitrile / Microwave irradiation
5.2: 5 h / 160 °C / Microwave irradiation
6.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
(E)-3,4-dimethoxycinnamic chloride
39856-08-1, 141236-46-6

(E)-3,4-dimethoxycinnamic chloride

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: pyridine / dichloromethane / 24 h / 20 °C
2.1: acetonitrile / Microwave irradiation
2.2: 5 h / 160 °C / Microwave irradiation
3.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: pyridine / 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran / 20 °C / Large scale
2: sodium hydroxide / isopropyl alcohol; water / 75 - 80 °C
3: potassium carbonate / N,N-dimethyl-formamide / 10 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: triethylamine / dichloromethane / 5 h / 5 - 35 °C
2: N,N'-diethylurea / 1,4-dioxane / 4 h / 90 - 95 °C
View Scheme
5,6-diamino-1,3-diethylpyrimidine-2,4-(1H,3H)-dione hydrochloride

5,6-diamino-1,3-diethylpyrimidine-2,4-(1H,3H)-dione hydrochloride

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 10 - 35 °C
2: sodium hydroxide / propan-1-ol / 5 h / Reflux
3: potassium carbonate / N,N-dimethyl-formamide / 3 h / 50 - 60 °C
4: acetic acid; acetic anhydride / 10 h / 110 °C
View Scheme
N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide

N-(6-amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydroxide / propan-1-ol / 5 h / Reflux
2: potassium carbonate / N,N-dimethyl-formamide / 3 h / 50 - 60 °C
3: acetic acid; acetic anhydride / 10 h / 110 °C
View Scheme
3,4-dimethoxystyrene
6380-23-0

3,4-dimethoxystyrene

1,3-diethyl-8-iodo-7-methylpurine-2,6-dione

1,3-diethyl-8-iodo-7-methylpurine-2,6-dione

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine; palladium dichloride In N,N-dimethyl-formamide at 100℃; for 12h; Inert atmosphere;58.87 g
With N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine; palladium dichloride In N,N-dimethyl-formamide at 100℃; for 12h; Inert atmosphere;58.87 g
N,N'-diethylurea
623-76-7

N,N'-diethylurea

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1,4-dioxane / 4 h / 100 - 105 °C
2: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 4 h / 10 - 55 °C
3: sodium methylate / 1,4-dioxane / 3 h / 90 - 95 °C
View Scheme
5,6-diamino-1,3-diethyluracil
52998-22-8

5,6-diamino-1,3-diethyluracil

(E)-3,4-dimethoxycinnamic chloride
39856-08-1, 141236-46-6

(E)-3,4-dimethoxycinnamic chloride

istradefylline
155270-99-8

istradefylline

Conditions
ConditionsYield
With sodium carbonate In ethanol at 60℃; for 3.5h;
istradefylline
155270-99-8

istradefylline

(1α,2α,3β,4β)-1,3-bis[1,3-diethyl-7-methyl-3,7-dihydropurine-2,6-dion-8-yl]-2,4-bis(3,4-dimethoxyphenyl)cyclobutane

(1α,2α,3β,4β)-1,3-bis[1,3-diethyl-7-methyl-3,7-dihydropurine-2,6-dion-8-yl]-2,4-bis(3,4-dimethoxyphenyl)cyclobutane

Conditions
ConditionsYield
With aluminum (III) chloride In chloroform at 30 - 40℃; for 10h; UV-irradiation; Inert atmosphere;87.2%
for 1.66667h; Irradiation;12 mg
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

istradefylline
155270-99-8

istradefylline

(E)-7,7'-(pentane-1,5-diyl)bis(8-((E)-3,4-dimethoxystyryl)-1,3-diethyl-1H-purine-2,6(3H,7H)-dione)

(E)-7,7'-(pentane-1,5-diyl)bis(8-((E)-3,4-dimethoxystyryl)-1,3-diethyl-1H-purine-2,6(3H,7H)-dione)

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In acetone at 20℃;69.2%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

istradefylline
155270-99-8

istradefylline

(E)-7-(5-bromobutyl)-8-(3,4-dimethoxystyryl)-1,3-diethyl-1H-purine-2,6( 3H,7H)-dione

(E)-7-(5-bromobutyl)-8-(3,4-dimethoxystyryl)-1,3-diethyl-1H-purine-2,6( 3H,7H)-dione

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In acetone at 20℃;59.9%
istradefylline
155270-99-8

istradefylline

(Z)-1,3-diethyl-8-(3,4-dimethoxystyryl)-7-methylxanthine

(Z)-1,3-diethyl-8-(3,4-dimethoxystyryl)-7-methylxanthine

Conditions
ConditionsYield
In acetone Irradiation;16%
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