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Suzhou Lipin chemical Co., Ltd.

high quality ,iso , cgmp . accept the supplier audit . in stock now ,capacity is flexible support the documents Appearance:white powder Storage: protect from light seal room temperature Package:DRUM Application:key intermediates Port:SHANGH

93703-24-3

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

NOVASYNCS CO., LTD

8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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. Near 20 years DayangChem has provided dif

8-Bromo-3-methyl-xanthine in stock

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

Top Quality 99% up 8-Bromo-3-Methyl-Xanthine / Linagliptin Intermediate 93703-24-3

Cas:93703-24-3

Min.Order:2 Kilogram

FOB Price: $55.0 / 200.0

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White to Off-white powder conforms Identification By NMR/LC-MS HPLC

high purity3-Methyl-8-bromoxanthine main manufacture products

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Off-white to light yellow powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical

Manufacturer high quality 8-Bromo-3-methyl-xanthine Cas 93703-24-3 with good price

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Think Chemical Co. Ltd

8-Bromo-3-methyl-xanthine CAS No.:93703-24-3 Name: 8-Bromo-3-methyl-xanthine Molecular Structure: Molecular Formula: C6H5BrN4O2 Molecular Weight: 245.03 CAS Registry Number: 93703-24-3 Appearance:

High purity 8-Bromo-3-methyl-xanthine CAS No.:93703-24-3

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai

8-Bromo-3-methyl-3,7-dihydropurine-2,6-dione

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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 Oled CAS 93703-24-3 8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

SICHUAN TONGSHENG AMINOACID CO.LTD

Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality manage

8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

ANQING CHICO PHARMACEUTICAL CO.,LTD.

High quality. Factory supply. In stock. Best price. 1.Quick response within 24 hours; 2.Best quality in your requirement; 3.We pay more attention on delivery time, and usually ship on time; 4.Under the premise of safety and effectiveness, we can pr

1H-Purine-2,6-dione,8-bromo-3,9-dihydro-3-methyl-

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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 ap

8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:0 Metric Ton

Negotiable

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

8-Bromo-3-methyl-7H-purine-2,6-dione

Cas:93703-24-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

93703-24-3 8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

Chengdu words and import and export co., LTD is one specialized is engaged in pharmaceutical intermediates, fine chemical industry in the field of research. Development and production of high-tech enterprises.We can provide Ephedrine products to ne

8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Ality Chemical Corporation

8-Bromo-3-methyl-xanthine Basic information Product Name: 8-Bromo-3-methyl-xanthine Synonyms: 8-Bromo-3-methyl-xanthine;8-Bromo-3-methyl-3,7-dihydro-1H-purine-2,6-dione;8-bromo-3-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione;8-Bromo-3-methyl-7H

Factory Supply Linagliptin Impurity 19

Cas:93703-24-3

Min.Order:1 Gram

Negotiable

Type:Other

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-Bromo-3-Methyl-Xanthine,CAS:93703-24-3

Cas:93703-24-3

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

Pharmaceutical Grade CAS 93703-24-3 with competitive price

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shandong Hanjiang Chemical Co., Ltd.

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

8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Name: 8-Bromo-3-methyl-xanthine Other name:3-Methyl-8-broMoxanthine,8-broMo-3-Methyl-1H-purine-2-6(3H-7H) Cas:93703-24-3 Molecular formula:C6H5BrN4O2 Molecular weight:245.0335 Color:White Powder Purity:99% Appearance:White crys

3-Methyl-8-bromoxanthine

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv

8-Bromo-3-methyl-xanthine 93703-24-3

Cas:93703-24-3

Min.Order:10 Gram

Negotiable

Type:Other

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

8-Bromo-3-methyl-xanthine 93703-24-3

Cas:93703-24-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Wuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides

Linagliptin Intermediate CAS 93703-24-3

Cas:93703-24-3

Min.Order:100 Kilogram

FOB Price: $1.0 / 5.0

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 8-Bromo-3-methyl-xanthine CAS: 93703-24-3 MF: C6H5BrN4O2 MW: 245.03 EINECS: 819-117-0 Mol File: 93703-24-3.mol 8-Bromo-3-methyl-xanthine Structure 8-Bromo-3-methyl-xanthine Chemical Properties Melting point 300&d

8-Bromo-3-methyl-xanthine

Cas:93703-24-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA

3-Methyl-8-bromoxanthine 93703-24-3 cas door to door shipping

Cas:93703-24-3

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 8-Bromo-3-methyl-3,7-dihydropu

8-Bromo-3-methyl-3,7-dihydropurine-2,6-dione

Cas:93703-24-3

Min.Order:1 Gram

FOB Price: $6.0

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Pharmaceutical Intermediate, 8-Bromo-3-methyl-xanthine CAS:93703-24-3

Cas:93703-24-3

Min.Order:1 Kilogram

FOB Price: $53.0 / 56.0

Type:Trading Company

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

8-Bromo-3-methyl-xanthine/ LIDE PHARMA- Factory supply / Best price

Cas:93703-24-3

Min.Order:0

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.:93703-24-3

Cas:93703-24-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

8-BroMo-3-Methyl-xanthine cas:93703-24-3

Cas:93703-24-3

Min.Order:25 Gram

FOB Price: $90.0 / 100.0

Type:Trading Company

inquiry

Synthetic route

C6H7BrN4O2

C6H7BrN4O2

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
With N-Bromosuccinimide; potassium carbonate In 1,2-dichloro-ethane at 60℃; for 5h; Reagent/catalyst; Solvent; Temperature;97%
3-methylxanthine
1076-22-8

3-methylxanthine

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
With bromine; sodium acetate In acetic acid at 50 - 65℃; for 3h;96.6%
With bromine; acetic acid at 100℃; for 6h;95%
With bromine; sodium acetate; acetic acid at 65℃; for 3h;94.17%
formic acid
64-18-6

formic acid

5,6-diamino-1-methyluracil
6972-82-3

5,6-diamino-1-methyluracil

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
Stage #1: formic acid; 5,6-diamino-1-methyluracil In water for 2h; Reflux;
Stage #2: With sodium hydroxide In water at 100℃; for 16h;
Stage #3: With bromine; sodium acetate; acetic acid at 66℃; for 3h;
84%
3-methyl-8-nitroxanthine
93703-23-2

3-methyl-8-nitroxanthine

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
With potassium bromate; hydrogen bromide In acetic acid at 80 - 95℃; for 12h;83%
With hydrogen bromide for 4h; Heating;64%
5,6-diamino-1-methyluracil
6972-82-3

5,6-diamino-1-methyluracil

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: water / 3 h / 105 °C
1.2: 1 h / 105 °C
2.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C
View Scheme
Multi-step reaction with 2 steps
1.1: water / 3 h / Reflux; Inert atmosphere
1.2: 1 h / Reflux; Inert atmosphere
2.1: acetic acid; sodium acetate; bromine / water / 2 h / 65 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium hydroxide
2: hydrogen bromide; sodium chlorate
View Scheme
6-amino-1-methyluracil
2434-53-9

6-amino-1-methyluracil

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: acetic acid; sodium nitrite / water / 1.5 h / 20 - 50 °C
2.1: ammonium hydroxide; sodium dithionite / 7 h / 25 - 60 °C
3.1: water / 3 h / 105 °C
3.2: 1 h / 105 °C
4.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C
View Scheme
Multi-step reaction with 3 steps
1.1: sodium dithionite; ammonium hydroxide / 1 h / 50 °C
2.1: water / 3 h / Reflux; Inert atmosphere
2.2: 1 h / Reflux; Inert atmosphere
3.1: acetic acid; sodium acetate; bromine / water / 2 h / 65 °C
View Scheme
Multi-step reaction with 4 steps
1: sodium nitrite / Acidic conditions
2: sodium dithionite
3: sodium hydroxide
4: hydrogen bromide; sodium chlorate
View Scheme
6-amino-1-methyl-5-nitrosouracil
6972-78-7

6-amino-1-methyl-5-nitrosouracil

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: ammonium hydroxide; sodium dithionite / 7 h / 25 - 60 °C
2.1: water / 3 h / 105 °C
2.2: 1 h / 105 °C
3.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium dithionite
2: sodium hydroxide
3: hydrogen bromide; sodium chlorate
View Scheme
Multi-step reaction with 3 steps
1: sodium dithionite / water / 1 h / 70 °C
2: toluene-4-sulfonic acid / N,N-dimethyl-formamide / 3.5 h / 70 °C / Inert atmosphere
3: acetic acid; bromine; sodium acetate / 3 h / 65 °C
View Scheme
Multi-step reaction with 3 steps
1.1: ammonium hydroxide; sodium dithionite / 1 h / 35 - 60 °C
2.1: water / 3 h / 105 °C
2.2: 1 h / 105 °C
3.1: acetic acid; sodium acetate; bromine / 2 h / 65 °C
View Scheme
Multi-step reaction with 3 steps
1.1: sodium dithionite; ammonia / 1 h / 50 °C
2.1: water / 3 h / Reflux; Inert atmosphere
3.1: acetic acid; sodium acetate / 25 - 30 °C
3.2: 10 - 65 °C
View Scheme
4-(N-methylamino)-1H-imidazole-5-carboxamide
90801-87-9

4-(N-methylamino)-1H-imidazole-5-carboxamide

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: perchloric acid adsorbed on silica gel; formic acid / ethanol / 0.33 h / 20 °C
2: sodium acetate; acetic acid; bromine / 3 h / 65 °C
View Scheme
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

1-Bromo-2-butyne
3355-28-0

1-Bromo-2-butyne

8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
666816-98-4

8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With sodium carbonate In acetone at 40℃; for 4h; Temperature; Reagent/catalyst; Solvent;98%
With N-ethyl-N,N-diisopropylamine In acetone Solvent; Reflux; Further stages;97.4%
With triethylamine In N,N-dimethyl-formamide at 20℃; for 10h;95.68%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-mercapto-3-methylxanthine
70404-40-9

8-mercapto-3-methylxanthine

Conditions
ConditionsYield
With potassium hydrosulfide In methanol at 170 - 175℃; for 8h; sealed ampoule;96.5%
dimethylacetylene
503-17-3

dimethylacetylene

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3,7-dihydro-3-methyl-9-(2-butynyl)-1H-purine-2,6-dione

8-bromo-3,7-dihydro-3-methyl-9-(2-butynyl)-1H-purine-2,6-dione

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; copper(II) perchlorate In N,N-dimethyl-formamide at 50℃; for 4h; Temperature; Inert atmosphere;95.1%
2-(chloromethyl)thiirane
3221-15-6

2-(chloromethyl)thiirane

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3-methyl-7-(thietan-3-yl)-3,7-dihydro-1H-pyrine-2,6-dione
1005482-51-8

8-bromo-3-methyl-7-(thietan-3-yl)-3,7-dihydro-1H-pyrine-2,6-dione

Conditions
ConditionsYield
With potassium hydroxide In water; N,N-dimethyl-formamide at 0 - 20℃;94.3%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

methyl iodide
74-88-4

methyl iodide

8-bromo-3,7-dimethylxanthine
15371-15-0

8-bromo-3,7-dimethylxanthine

Conditions
ConditionsYield
With potassium carbonate In N-methyl-acetamide; water93%
With potassium carbonate In N-methyl-acetamide; water93%
With potassium carbonate In N-methyl-acetamide; water93%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

methyl iodide
74-88-4

methyl iodide

8-bromocaffeine
10381-82-5

8-bromocaffeine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 6h;92%
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 6h;92%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

prenyl bromide
870-63-3

prenyl bromide

8-bromo-3-methyl-7-(3-methyl-but-2-enyl)-3,7-dihydro-purine-2,6-dione
313273-69-7

8-bromo-3-methyl-7-(3-methyl-but-2-enyl)-3,7-dihydro-purine-2,6-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide for 0.166667h;
Stage #2: prenyl bromide In N,N-dimethyl-formamide at 20℃;
91.1%
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h;86%
With N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide) at 20℃; for 0.5h;80%
dimethylacetylene
503-17-3

dimethylacetylene

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3,9-dihydro-3-methyl-9-(2-butynyl)-1H-purine-2,6-dione

8-bromo-3,9-dihydro-3-methyl-9-(2-butynyl)-1H-purine-2,6-dione

Conditions
ConditionsYield
With 1,10-Phenanthroline; copper dichloride In N,N-dimethyl-formamide at 50℃; for 6h; Reagent/catalyst; Concentration; Solvent; Inert atmosphere;91.1%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

2-(bromomethyl)benzonitrile
22115-41-9

2-(bromomethyl)benzonitrile

2-((8-bromo-3-methyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl)benzonitrile
485821-27-0

2-((8-bromo-3-methyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl)benzonitrile

Conditions
ConditionsYield
91%
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;
o-fluorobenzyl bromide
446-48-0

o-fluorobenzyl bromide

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-7-(2-fluorobenzyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

8-bromo-7-(2-fluorobenzyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h;90%
benzyl bromide
100-39-0

benzyl bromide

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

7-benzyl-8-bromo-3-methyl-1H-purine-2,6(3H,7H)-dione
93703-26-5

7-benzyl-8-bromo-3-methyl-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With potassium carbonate In N-methyl-acetamide89%
With potassium carbonate In N-methyl-acetamide89%
With potassium carbonate In N-methyl-acetamide89%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

allyl bromide
106-95-6

allyl bromide

7-allyl-8-bromo-3-methyl-1H-purine-2,6(3H,7H)-dione

7-allyl-8-bromo-3-methyl-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;86%
3-picolyl bromide
69966-55-8

3-picolyl bromide

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3-methyl-7-(pyridin-3-ylmethyl)-3,7-dihydro-1H-purine-2,6-dione

8-bromo-3-methyl-7-(pyridin-3-ylmethyl)-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With hydrogen bromide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h;86%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

8-bromo-7-(4-methoxybenzyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

8-bromo-7-(4-methoxybenzyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 2.5h;85%
methyl 4-(bromomethyl)-3-fluorobenzoate
128577-47-9

methyl 4-(bromomethyl)-3-fluorobenzoate

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

methyl 4-((8-amino-3-methyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl)-3-fluorobenzoate

methyl 4-((8-amino-3-methyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl)-3-fluorobenzoate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h;84%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

2-methylbenzyl bromide
89-92-9

2-methylbenzyl bromide

8-Bromo-3-methyl-7-(2-methylbenzyl)-3,7-dihydropurine-2,6-dione
485821-36-1

8-Bromo-3-methyl-7-(2-methylbenzyl)-3,7-dihydropurine-2,6-dione

Conditions
ConditionsYield
79%
4-Cyanophenacyl bromide
20099-89-2

4-Cyanophenacyl bromide

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-7-[2-(4-cyanophenyl)-2-oxoethyl]-3,7-dihydro-3-methyl-1H-purine-2,6-dione
1192215-85-2

8-bromo-7-[2-(4-cyanophenyl)-2-oxoethyl]-3,7-dihydro-3-methyl-1H-purine-2,6-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere;
Stage #2: 4-Cyanophenacyl bromide In N,N-dimethyl-formamide at 25℃; Inert atmosphere;
79%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

3,4-dibenzyloxybenzyl chloride
1699-59-8

3,4-dibenzyloxybenzyl chloride

8-bromo-3-methyl-7-(3',4'-dibenzyloxy)benzyl xanthine

8-bromo-3-methyl-7-(3',4'-dibenzyloxy)benzyl xanthine

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; sodium hydride In N,N-dimethyl-formamide at 60℃; for 12h;78%
With tetra-(n-butyl)ammonium iodide; sodium hydride In N,N-dimethyl-formamide at 60℃; for 12h;78%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

i-pentyl bromide
107-82-4

i-pentyl bromide

8-bromo-7-isopentyl-3-methyl-1H-purine-2,6(3H,7H)-dione

8-bromo-7-isopentyl-3-methyl-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 15h;78%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3-methyl-7-(4-methylpent-3-enyl)-1H-purine-2,6(3H,7H)-dione

8-bromo-3-methyl-7-(4-methylpent-3-enyl)-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h; Reagent/catalyst;78%
2-(bromomethyl)-1-chloro-3-fluorobenzene
68220-26-8

2-(bromomethyl)-1-chloro-3-fluorobenzene

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-7-(2-chloro-6-fluorobenzyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

8-bromo-7-(2-chloro-6-fluorobenzyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 60℃; for 2h;76%
2-bromo-1-(3-chloro-phenyl)-ethanone
41011-01-2

2-bromo-1-(3-chloro-phenyl)-ethanone

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-7-(2-(3-chlorophenyl)-2-oxoethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
1415838-41-3

8-bromo-7-(2-(3-chlorophenyl)-2-oxoethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Schlenk technique;
Stage #2: 2-bromo-1-(3-chloro-phenyl)-ethanone In N,N-dimethyl-formamide at 25℃; for 15h; Inert atmosphere; Schlenk technique;
76%
bromomethyl 2-methoxyphenyl ketone
31949-21-0

bromomethyl 2-methoxyphenyl ketone

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3,7-dihydro-7-[2-(2-methoxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione
1192215-75-0

8-bromo-3,7-dihydro-7-[2-(2-methoxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere;
Stage #2: bromomethyl 2-methoxyphenyl ketone In N,N-dimethyl-formamide at 25℃; Inert atmosphere;
75%
2-bromo-1-(3-hydroxyphenyl)ethanone
2491-37-4

2-bromo-1-(3-hydroxyphenyl)ethanone

3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

8-bromo-3,7-dihydro-7-[2-(3-hydroxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione
1192215-80-7

8-bromo-3,7-dihydro-7-[2-(3-hydroxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere;
Stage #2: 2-bromo-1-(3-hydroxyphenyl)ethanone In N,N-dimethyl-formamide at 25℃; Inert atmosphere;
75%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

2-bromo-3'-methylacetophenone
51012-64-7

2-bromo-3'-methylacetophenone

8-bromo-3,7-dihydro-3-methyl-7-[2-(3-methylphenyl)-2-oxoethyl]-1H-purine-2,6-dione
1192215-78-3

8-bromo-3,7-dihydro-3-methyl-7-[2-(3-methylphenyl)-2-oxoethyl]-1H-purine-2,6-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere;
Stage #2: 2-bromo-3'-methylacetophenone In N,N-dimethyl-formamide at 25℃; Inert atmosphere;
75%
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

2-bromo-3'-methoxyacetophenone
5000-65-7

2-bromo-3'-methoxyacetophenone

8-bromo-3,7-dihydro-7-[2-(3-methoxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione
1192215-76-1

8-bromo-3,7-dihydro-7-[2-(3-methoxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione

Conditions
ConditionsYield
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere;
Stage #2: 2-bromo-3'-methoxyacetophenone In N,N-dimethyl-formamide at 25℃; Inert atmosphere;
75%
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