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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.Free samples will be provided. 5.Ensure specifications an

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

Cas:666816-98-4

Min.Order:1 Kilogram

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-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

Cas:666816-98-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

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

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU DKD CHEMICAL CO, LTD.,

In stock Contract customization Low Temperature Reactions Fluorine Chemistry Hydrogenation Nitration Chlorination Appearance:White or off-white crystalline powder Storage:cool and dry warehouse Package:25KG/Drum Application: Pharmaceutical in

8-BROMO-7-(BUT-2-YNYL)-3-METHYL-1H-PURINE-2,6(3H,7H)-DIONE

Cas:666816-98-4

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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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

8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

Cas:666816-98-4

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-7-But-2-Ynyl-3-Methyl-Purine-2,6-Dione / Linagliptin Intermediate 666816-98-4

Cas:666816-98-4

Min.Order:2 Kilogram

FOB Price: $55.0 / 200.0

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White powder White powder Assay ≥99.0%

High purity Various Specifications 8-bromo-7-but-2-yn-1-yl-3-methyl-3,7-dihydro-1H-purine-2,6-dione CAS:666816-98-4

Cas:666816-98-4

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

Hangzhou Think Chemical Co. Ltd

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione[CAS:666816-98-4] Linagliptin items as follows: 1-Bromo-2-Butyne[CAS:3355-28-0] (R)-3-(Boc-Amino)piperidine[CAS:309956-78-3] 8-Bromo-3-methyl-xanthine[CAS:93703-24-3] 2-(Chl

Main manufacture 8-Bromo-7-but-2-ynyl-3-methyl-purine-2,6-dione

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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

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

Cas:666816-98-4

Min.Order:1 Kilogram

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

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

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-7- (2-butynyl) -3-methyl-xanthine

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

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

Cas:666816-98-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Shanghai SE Pharm Co., Ltd

1. made in GMP plant, commerially 2. Normal Stock: 500kgs 3. Audit accepted. Related documents are available to offer and audited by many clients, such as Lupin, MSN, Dr reddy etc 4. Chromatographic Purity (HPLC): not less tha

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

Cas:666816-98-4

Min.Order:0 Metric Ton

Negotiable

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

Cas:666816-98-4

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

8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione

Cas:666816-98-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/683.html Product Name 8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-pur

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

Cas:666816-98-4

Min.Order:1 Gram

FOB Price: $45.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Tianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationships with ma

TIANFU 666816-98-4 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

Cas:666816-98-4

Min.Order:1 Kilogram

FOB Price: $200.0

Type:Lab/Research institutions

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

Cas:666816-98-4

Min.Order:1 Gram

FOB Price: $1.0

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-Bromo-7- (2-butynyl) -3, 7-Dihydro-3-Methyl-1h-Purine-2, 6-Dione CAS 666816-98-4

Cas:666816-98-4

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 666816-98-4 with best quality

Cas:666816-98-4

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

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

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Supply Linagliptin Intermediate /CAS:666816-98-4 Product name 8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione CAS No 666816-98-4 Molecular Formula C10H9Br

3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine

Cas:666816-98-4

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-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione CAS 666816-98-4

Cas:666816-98-4

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

1H-Purine-2,6-dione, 8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl- 666816-98-4

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and services to our clients in the field of small molecule drug. Huarong Pharm has built platforms for the research, development and manufac

3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine-

Cas:666816-98-4

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

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

666816-98-4 cas 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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 present,

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione WITH BEST PRICE

Cas:666816-98-4

Min.Order:1 Kilogram

FOB Price: $700.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione CAS:666816-98-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, sp

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione CAS:666816-98-4

Cas:666816-98-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 666816-98-48-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

Cas:666816-98-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

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%
8-bromo-3-methylxanthine

8-bromo-3-methylxanthine

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 N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;85%
3-methylxanthine
1076-22-8

3-methylxanthine

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
Multi-step reaction with 2 steps
1.1: sodium acetate / acetic acid / 25 - 30 °C
1.2: 10 - 65 °C
2.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 - 30 °C
2.2: 25 - 30 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium acetate; acetic acid; bromine / 2 h / 65 °C
2: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 4 h / 80 °C
View Scheme
Multi-step reaction with 2 steps
1.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C
2.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h / 25 °C
2.2: 5 h / 80 °C
View Scheme
5,6-diamino-1-methyluracil
6972-82-3

5,6-diamino-1-methyluracil

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
Multi-step reaction with 3 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
3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h / 25 °C
3.2: 5 h / 80 °C
View Scheme
Multi-step reaction with 3 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
3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: water / 3 h / 105 °C
1.2: 1 h / 105 °C
2.1: acetic acid; sodium acetate; bromine / 2 h / 65 °C
3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: water / 3 h / Reflux; Inert atmosphere
2.1: acetic acid; sodium acetate / 25 - 30 °C
2.2: 10 - 65 °C
3.1: N-ethyl-N,N-diisopropylamine / acetone / Reflux
View Scheme
6-amino-1-methyluracil
2434-53-9

6-amino-1-methyluracil

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
Multi-step reaction with 5 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
5.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h / 25 °C
5.2: 5 h / 80 °C
View Scheme
Multi-step reaction with 4 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
4.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1.1: acetic acid; sodium nitrite / water / 1 h / 50 °C
2.1: ammonium hydroxide; sodium dithionite / 1 h / 35 - 60 °C
3.1: water / 3 h / 105 °C
3.2: 1 h / 105 °C
4.1: acetic acid; sodium acetate; bromine / 2 h / 65 °C
5.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
View Scheme
Multi-step reaction with 5 steps
1.1: acetic acid; sodium nitrite / water / 1 h / 50 °C
2.1: sodium dithionite; ammonia / 1 h / 50 °C
3.1: water / 3 h / Reflux; Inert atmosphere
4.1: acetic acid; sodium acetate / 25 - 30 °C
4.2: 10 - 65 °C
5.1: N-ethyl-N,N-diisopropylamine / acetone / Reflux
View Scheme
6-amino-1-methyl-5-nitrosouracil
6972-78-7

6-amino-1-methyl-5-nitrosouracil

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
Multi-step reaction with 4 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
4.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.5 h / 25 °C
4.2: 5 h / 80 °C
View Scheme
Multi-step reaction with 4 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
4.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
View Scheme
Multi-step reaction with 4 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
4.1: N-ethyl-N,N-diisopropylamine / acetone / Reflux
View Scheme
4-(N-methylamino)-1H-imidazole-5-carboxamide
90801-87-9

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

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
Multi-step reaction with 3 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
3: triethylamine / N,N-dimethyl-formamide / 10 h / 20 °C
View Scheme
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

7-butyl-3-methyl-1H-purine-2,6(3H,7H)-dione
55242-69-8

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

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In methanol under 3800.26 Torr; for 16h;100%
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

2-bromomethyl-5-fluorobenzothiazole
143163-70-6

2-bromomethyl-5-fluorobenzothiazole

1-[(5-fluoro-1,3-benzothiazol-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

1-[(5-fluoro-1,3-benzothiazol-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃; Inert atmosphere;99%
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃;99%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;99%
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃;97%
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

2-(bromomethyl)-5-chloro-1,3-benzothiazole
143163-72-8

2-(bromomethyl)-5-chloro-1,3-benzothiazole

1-[(5-chloro-1,3-benzothiazol-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

1-[(5-chloro-1,3-benzothiazol-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃; Inert atmosphere;96%
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃;96%
With potassium carbonate In N,N-dimethyl-formamide96%
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

2-chloromethyl-4-methylquinazoline
109113-72-6

2-chloromethyl-4-methylquinazoline

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione
853029-57-9

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 8h;95.77%
With sodium hydroxide In water; acetonitrile at 70℃; for 5h; Solvent; Reagent/catalyst;94.9%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 75℃; for 6h;93%
(R)-piperidin-3-ylcarbamic acid tert-butyl ester
309956-78-3

(R)-piperidin-3-ylcarbamic acid tert-butyl ester

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

2-chloromethyl-4-methylquinazoline
109113-72-6

2-chloromethyl-4-methylquinazoline

1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tert-butoxycarbonylamino)-piperidin-1-yl]-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine

1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tert-butoxycarbonylamino)-piperidin-1-yl]-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine

Conditions
ConditionsYield
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate In 1-methyl-pyrrolidin-2-one; acetonitrile at 50℃; for 6h;
Stage #2: (R)-piperidin-3-ylcarbamic acid tert-butyl ester In 1-methyl-pyrrolidin-2-one; acetonitrile at 60℃; for 8h; Solvent; Temperature;
95.1%
With sodium carbonate at 55 - 60℃; for 6h; Concentration; Reagent/catalyst;91.8%
Stage #1: (R)-piperidin-3-ylcarbamic acid tert-butyl ester; 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione With 1-methyl-pyrrolidin-2-one; potassium carbonate; potassium iodide for 10h;
Stage #2: 2-chloromethyl-4-methylquinazoline for 12h; Time;
90%
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 40 - 50℃;
Stage #2: (R)-piperidin-3-ylcarbamic acid tert-butyl ester Reagent/catalyst; Solvent; Temperature;
86.7%
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 40 - 50℃;
Stage #2: (R)-piperidin-3-ylcarbamic acid tert-butyl ester In 1-methyl-pyrrolidin-2-one Reagent/catalyst; Solvent; Temperature;
(R)-piperidin-3-ylcarbamic acid tert-butyl ester
309956-78-3

(R)-piperidin-3-ylcarbamic acid tert-butyl ester

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

3-methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tert-butoxycarbonylamino)piperidin-1-yl]xanthine
666816-91-7

3-methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tert-butoxycarbonylamino)piperidin-1-yl]xanthine

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide at 114℃; for 6h;94%
With potassium carbonate In dimethyl sulfoxide at 114℃; for 6h;94%
With potassium carbonate In dimethyl sulfoxide at 114℃; for 6h;94%
3-(R)-aminopiperidine dihydrochloride

3-(R)-aminopiperidine dihydrochloride

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

8-[(R)-3-aminopiperidin-1-yl]-3,7-dihydro-3-methyl-7-(2-butynyl)-1H-purine-2,6-dione

8-[(R)-3-aminopiperidin-1-yl]-3,7-dihydro-3-methyl-7-(2-butynyl)-1H-purine-2,6-dione

Conditions
ConditionsYield
With potassium hydrogencarbonate In ethanol at 70℃; for 5h;93.9%
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

methyl 3-(bromomethyl)-4-fluorobenzoate
878744-25-3

methyl 3-(bromomethyl)-4-fluorobenzoate

Methyl 2-((8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl) benzoate

Methyl 2-((8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl) benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 10h;93.9%
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

2-p-toluenesulfonylmethyl-4-methylquinazoline

2-p-toluenesulfonylmethyl-4-methylquinazoline

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione
853029-57-9

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 6h;93%
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

4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile
114772-54-2

4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile

4'-((8-bromo-7-(but-2-ynyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)biphenyl-2-carbonitrile

4'-((8-bromo-7-(but-2-ynyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)biphenyl-2-carbonitrile

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 6h;92%
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

2-(chloromethyl)nicotinenitrile
848774-96-9

2-(chloromethyl)nicotinenitrile

1-[(3-cyano-pyridin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromo-xanthine

1-[(3-cyano-pyridin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromo-xanthine

Conditions
ConditionsYield
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 70℃; for 19h;91%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 70℃; for 19h;91%
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

C13H14N2O2
886588-61-0

C13H14N2O2

2-chloromethyl-4-methylquinazoline
109113-72-6

2-chloromethyl-4-methylquinazoline

(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine2,6-dione
886588-63-2

(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine2,6-dione

Conditions
ConditionsYield
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; C13H14N2O2 With 1-methyl-pyrrolidin-2-one; potassium carbonate; potassium iodide at 50 - 60℃;
Stage #2: 2-chloromethyl-4-methylquinazoline
91%
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

C13H14BrFN2O2

C13H14BrFN2O2

C23H22BrFN6O4

C23H22BrFN6O4

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 20℃;90.5%
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

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione
853029-57-9

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione

(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine2,6-dione
886588-63-2

(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine2,6-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 140℃; for 2h;90%
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

2-(bromomethyl)-1,3-benzothiazole
106086-78-6

2-(bromomethyl)-1,3-benzothiazole

1-[(1,3-benzothiazol-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

1-[(1,3-benzothiazol-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃; Inert atmosphere;90%
With potassium carbonate In N,N-dimethyl-formamide at 10 - 25℃;90%
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

4-chloromethyl-2-methylquinazoline

4-chloromethyl-2-methylquinazoline

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione
853029-57-9

2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 75℃; for 3h; Temperature; Large scale;90%
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

(Z)-8-bromo-7-(2-buten-1-yl)-3-methylxanthine

(Z)-8-bromo-7-(2-buten-1-yl)-3-methylxanthine

Conditions
ConditionsYield
With hydrogen In methanol under 3800.26 Torr; for 16h; Reagent/catalyst; Solvent; Green chemistry; stereoselective reaction;90%
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

tert-butyl 2-(bromomethyl)-6-fluoro-1H-indole-1-carboxylate
912959-91-2

tert-butyl 2-(bromomethyl)-6-fluoro-1H-indole-1-carboxylate

C24H23BrFN5O4

C24H23BrFN5O4

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 20℃;89%
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

2-bromomethyl-3-cyanopyrazine

2-bromomethyl-3-cyanopyrazine

1-[(3-cyanopyrazine-2-yl)methyl]-3-methyl-7-(2-butyne-1-yl)-8-bromoxanthine

1-[(3-cyanopyrazine-2-yl)methyl]-3-methyl-7-(2-butyne-1-yl)-8-bromoxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 5h;89%
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

2-(chloromethyl)-4-methylquinazoline 3-oxide
6640-59-1

2-(chloromethyl)-4-methylquinazoline 3-oxide

C20H17BrN6O3

C20H17BrN6O3

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-d6-formamide at 35 - 75℃; Reagent/catalyst; Temperature;88.6%
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

2-bromomethyl-5-fluorobenzoxazole
1263413-87-1

2-bromomethyl-5-fluorobenzoxazole

C18H13BrFN5O3

C18H13BrFN5O3

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃;88.2%
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

alpha-bromo-3,4-difluorotoluene
85118-01-0

alpha-bromo-3,4-difluorotoluene

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

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

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl acetamide at 100℃; for 16h;87%
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

4-(3-chloropropyl)-1-[(5-methylpyrimidin-2-yl)]piperazine

4-(3-chloropropyl)-1-[(5-methylpyrimidin-2-yl)]piperazine

C22H27BrN8O2

C22H27BrN8O2

Conditions
ConditionsYield
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione With potassium carbonate In 1-methyl-pyrrolidin-2-one at 70℃; for 0.25h;
Stage #2: 4-(3-chloropropyl)-1-[(5-methylpyrimidin-2-yl)]piperazine In 1-methyl-pyrrolidin-2-one at 70℃; for 6h;
86.9%
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

3-methylisoquinolin-1-ylmethylene chloride
91348-82-2

3-methylisoquinolin-1-ylmethylene chloride

8-bromo-7-(but-2-ynyl)-3-methyl-1-(3-methyl-isoquinolin-1-ylmethyl)-3,7-dihydro-purine-2,6-dione
853029-58-0

8-bromo-7-(but-2-ynyl)-3-methyl-1-(3-methyl-isoquinolin-1-ylmethyl)-3,7-dihydro-purine-2,6-dione

Conditions
ConditionsYield
With 1-methyl-pyrrolidin-2-one; potassium carbonate at 75℃; for 3.5h;86%
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

2-bromomethyl-4,5-difluorobenzonitrile

2-bromomethyl-4,5-difluorobenzonitrile

1-[(4,5-difluoro-benzonitrile-2-yl)methyl]-3-methyl-7-(2-butyne-1-yl)-8-bromoxanthine

1-[(4,5-difluoro-benzonitrile-2-yl)methyl]-3-methyl-7-(2-butyne-1-yl)-8-bromoxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 5h;86%
4-(3-chloropropyl)piperazine-1-carboxylic acid tert-butyl ester
165530-45-0

4-(3-chloropropyl)piperazine-1-carboxylic acid tert-butyl ester

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

C22H31BrN6O4

C22H31BrN6O4

Conditions
ConditionsYield
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione With potassium carbonate In 1-methyl-pyrrolidin-2-one at 70℃; for 0.25h;
Stage #2: 4-(3-chloropropyl)piperazine-1-carboxylic acid tert-butyl ester In 1-methyl-pyrrolidin-2-one at 70℃; for 6h;
86%
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

(R)-ethyl nipecotate
25137-01-3

(R)-ethyl nipecotate

2-chloromethyl-4-methylquinazoline
109113-72-6

2-chloromethyl-4-methylquinazoline

C28H31N7O4

C28H31N7O4

Conditions
ConditionsYield
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; (R)-ethyl nipecotate With 1-methyl-pyrrolidin-2-one; potassium carbonate; potassium iodide at 60 - 70℃;
Stage #2: 2-chloromethyl-4-methylquinazoline
85%
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

2-(bromomethyl)-6-fluoro-benzonitrile

2-(bromomethyl)-6-fluoro-benzonitrile

1-[(6-fluorobenzonitrile-2-yl)methyl]-3-methyl-7-(2-butyne-1-yl)-8-bromoxanthine

1-[(6-fluorobenzonitrile-2-yl)methyl]-3-methyl-7-(2-butyne-1-yl)-8-bromoxanthine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 5h;84%
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