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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-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

Cas:853029-57-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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.Under the premise of safety and effectiveness, we can pr

8-bromo-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione

Cas:853029-57-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

TAIZHOU DKD CHEMICAL CO, LTD.,

In stock Contract customization Low Temperature Reactions Fluorine Chemistry Hydrogenation Nitration Chlorination Appearance:White or light yellow powder Storage:cool and dry warehouse Package:25KG/Bag Application:intermediate of Liragliptin P

1-[(4-methylquinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

Cas:853029-57-9

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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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 or off-white Storage: protect from light seal room temperature Package:DRUM Application:key intermediates Port:S

853029-57-9

Cas:853029-57-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

Cas:853029-57-9

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

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

Hangzhou Dingyan Chem Co., Ltd

Analysis tests Standard Results Appearance Yellowish Crystallization Hangzhou Dingyan Chem is a leading manufacturer and supplie

Jinan Finer Chemical Co., Ltd

Product Description Product Name 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione CAS No. 853

8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

Cas:853029-57-9

Min.Order:1 Gram

FOB Price: $6.0

Type:Lab/Research institutions

inquiry

Hangzhou Think Chemical Co. Ltd

Linagliptin Intermediate 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dion[CAS:853029-57-9] 1-Bromo-2-Butyne[CAS:3355-28-0] (R)-3-(Boc-Amino)piperidine[CAS:309956-78-3] 8-bromo-7-(but-2-ynyl)-

Henan Allgreen Chemical Co.,Ltd

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione Basic information Product Name: 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

Cas:853029-57-9

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 ap

8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

Cas:853029-57-9

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

1-[(4-Methylquinazolin-2-yl)-methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine

Cas:853029-57-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Ality Chemical Corporation

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione Basic information Product Name: 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione Synonyms: 8-BroMo-7-(2-b

Factory Supply Linagliptin intermediate

Cas:853029-57-9

Min.Order:1 Gram

Negotiable

Type:Other

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-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

Cas:853029-57-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione Basic information Product Name: 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

Cas:853029-57-9

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

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 853029-57-9 with best quality

Cas:853029-57-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

Henan Sinotech Import&Export Corporation

roduct Name: 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione Synonyms: 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-d

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 service is

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-1-[(4-methyl-2-quinazolinyl)methyl]- 853029-57-9

Cas:853029-57-9

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

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

Cas:853029-57-9

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione CAS:853029-57-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and

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

1H-Purine-2,6-dione,8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-

Cas:853029-57-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

Linagliptin Intermediate CAS No. 853029-57-9

Cas:853029-57-9

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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

1H-Purine-2,6-dione,8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-

Cas:853029-57-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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:By

8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

Cas:853029-57-9

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-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

Cas:853029-57-9

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

8-BROMO-7-BUT-2-YNYL-3-METHYL-1-(4-METHYL-QUINAZOLIN-2-YLMETHYL)-3,7-DIHYDRO-PURINE-2,6-DIONE 853029-57-9

Cas:853029-57-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

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 potassium carbonate In 1-methyl-pyrrolidin-2-one at 75℃; for 6h;93%
With sodium carbonate In N,N-dimethyl acetamide at 100℃; for 6h; Temperature; Large scale;89.4%
N-(2-acetylphenyl)-2-[8-bromo-7-(but-2-yn-1-yl)-3-methyl -2,6-dioxo-2,3,6,7-tetrahydro- 1H-purin-1-yl]acetamide

N-(2-acetylphenyl)-2-[8-bromo-7-(but-2-yn-1-yl)-3-methyl -2,6-dioxo-2,3,6,7-tetrahydro- 1H-purin-1-yl]acetamide

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 ammonium acetate; acetic acid at 95 - 100℃; Inert atmosphere;95%
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-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%
C16H13BrN6O2

C16H13BrN6O2

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

1-Bromo-2-butyne

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 N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 50℃; for 3h;86.3%
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-(1-bromomethyl)-4-methylquinazoline

2-(1-bromomethyl)-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 7h;82%
With sodium carbonate In 1-methyl-pyrrolidin-2-one at 100 - 120℃;72%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 8h;
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 8h;
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 8h;
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-halogenomethyl-4-methyl-quinazoline

2-halogenomethyl-4-methyl-quinazoline

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 20℃; for 6h;
3-methyl-8-bromoxanthine
93703-24-3

3-methyl-8-bromoxanthine

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
Multi-step reaction with 2 steps
1.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 - 30 °C
1.2: 25 - 30 °C
2.1: tetrabutylammomium bromide; potassium carbonate / dimethyl sulfoxide / 75 - 80 °C
View Scheme
Multi-step reaction with 2 steps
1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 °C
2: sodium carbonate / N,N-dimethyl-formamide / 12 h / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 4 h / 80 °C
2: potassium carbonate / N,N-dimethyl-formamide / 6 h / 65 °C
View Scheme
3-methylxanthine
1076-22-8

3-methylxanthine

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
Multi-step reaction with 3 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
3.1: tetrabutylammomium bromide; potassium carbonate / dimethyl sulfoxide / 75 - 80 °C
View Scheme
Multi-step reaction with 3 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
3: potassium carbonate / N,N-dimethyl-formamide / 6 h / 65 °C
View Scheme
Multi-step reaction with 3 steps
1: acetic acid; sodium acetate; bromine / 2 h / 65 °C
2: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 12 h / 20 °C
3: potassium carbonate / N,N-dimethyl acetamide / 75 - 95 °C
View Scheme
Multi-step reaction with 3 steps
1.1: acetic acid; sodium acetate / 25 - 30 °C
1.2: 10 - 65 °C
2.1: N-ethyl-N,N-diisopropylamine / acetone / Reflux
3.1: potassium carbonate; tetrabutylammomium bromide / dimethyl sulfoxide / 20 - 80 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium acetate; acetic acid; bromine / 3 h / 65 °C
2: triethylamine / N,N-dimethyl-formamide / 10 h / 20 °C
3: potassium carbonate / N,N-dimethyl-formamide / 8 h / 90 °C
View Scheme
2-aminoacetophenone
551-93-9

2-aminoacetophenone

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
Multi-step reaction with 2 steps
1.1: hydrogenchloride / 1,4-dioxane / 10 °C / Cooling
1.2: 1 h / -10 °C
2.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 65 °C
View Scheme
Multi-step reaction with 2 steps
1: hydrogenchloride / 1,4-dioxane / 2 h / 6 °C
2: sodium carbonate / 1-methyl-pyrrolidin-2-one / 2 h / 140 °C
View Scheme
Multi-step reaction with 2 steps
1: copper(l) chloride; oxygen; potassium carbonate / tetrahydrofuran / 12 h / Reflux
2: potassium carbonate / N,N-dimethyl-formamide / 6 h / 80 °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

2-(2-bromoethyl)-4-methylquinazoline

2-(2-bromoethyl)-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 acetamide at 20℃; for 8h;
N-(2-acetylphenyl)-2-chloroacetamide
6140-11-0

N-(2-acetylphenyl)-2-chloroacetamide

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
Multi-step reaction with 2 steps
1: potassium iodide; potassium carbonate / dimethyl sulfoxide / 50 - 55 °C / Inert atmosphere
2: ammonium acetate; acetic acid / 95 - 100 °C / Inert atmosphere
View Scheme
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

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
Multi-step reaction with 4 steps
1.1: potassium hydroxide / N,N-dimethyl-formamide; water / 0.5 h
1.2: 6 h / 20 °C
2.1: acetic acid; dihydrogen peroxide / 0.5 h / Reflux
3.1: sodium ethanolate; ethanol / 1 h / Reflux; Inert atmosphere
4.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 3 h / 50 °C
View Scheme
C19H17BrN6O2S

C19H17BrN6O2S

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
Multi-step reaction with 3 steps
1: acetic acid; dihydrogen peroxide / 0.5 h / Reflux
2: sodium ethanolate; ethanol / 1 h / Reflux; Inert atmosphere
3: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 3 h / 50 °C
View Scheme
C19H17BrN6O4S

C19H17BrN6O4S

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
Multi-step reaction with 2 steps
1: sodium ethanolate; ethanol / 1 h / Reflux; Inert atmosphere
2: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 3 h / 50 °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

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

2-chloromethyl-4-methylquinazoline

A

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

B

C40H34Br2N12O4

C40H34Br2N12O4

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl acetamide at 75 - 85℃;A n/a
B 2 g
6-amino-1-methyluracil
2434-53-9

6-amino-1-methyluracil

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
Multi-step reaction with 6 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
6.1: potassium carbonate / N,N-dimethyl acetamide / 75 - 95 °C
View Scheme
Multi-step reaction with 6 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
6.1: potassium carbonate; tetrabutylammomium bromide / dimethyl sulfoxide / 20 - 80 °C
View Scheme
6-amino-1-methyl-5-nitrosouracil
6972-78-7

6-amino-1-methyl-5-nitrosouracil

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
Multi-step reaction with 5 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
5.1: potassium carbonate / N,N-dimethyl acetamide / 75 - 95 °C
View Scheme
Multi-step reaction with 5 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
5.1: potassium carbonate; tetrabutylammomium bromide / dimethyl sulfoxide / 20 - 80 °C
View Scheme
5,6-diamino-1-methyluracil
6972-82-3

5,6-diamino-1-methyluracil

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
Multi-step reaction with 4 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
4.1: potassium carbonate / N,N-dimethyl acetamide / 75 - 95 °C
View Scheme
Multi-step reaction with 4 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
4.1: potassium carbonate; tetrabutylammomium bromide / dimethyl sulfoxide / 20 - 80 °C
View Scheme
4-(N-methylamino)-1H-imidazole-5-carboxamide
90801-87-9

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

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
Multi-step reaction with 4 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
4: potassium carbonate / N,N-dimethyl-formamide / 8 h / 90 °C
View Scheme
3-(R)-aminopiperidine dihydrochloride

3-(R)-aminopiperidine dihydrochloride

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

Linagliptin

Linagliptin

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 60 - 70℃; for 7h; Large scale;96.7%
With triethyl borane; sodium carbonate; 4-methyl-2-pentanone at 95 - 100℃; for 10h; Concentration;93.8%
With potassium carbonate; potassium iodide In acetic acid butyl ester; toluene at 40 - 125℃; pH=11 - 12; Solvent;47%
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

C13H26N2*C4H6O6

C13H26N2*C4H6O6

C31H42N8O2Si2

C31H42N8O2Si2

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 80℃;96%
(R)-piperidin-3-ylcarbamic acid tert-butyl ester
309956-78-3

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

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

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
With potassium carbonate In dimethyl sulfoxide; acetonitrile at 84 - 86℃; for 20h;95.3%
With potassium carbonate In dimethyl sulfoxide; acetonitrile at 20 - 86℃; for 20h; Temperature;95.3%
With potassium carbonate; potassium iodide In dimethyl sulfoxide at 80 - 85℃; Reagent/catalyst;91%
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

C20H20N2O2*C4H6O6

C20H20N2O2*C4H6O6

C40H36N8O4

C40H36N8O4

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 140℃; for 3h;95%
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

C7H10N2O2S2*C4H6O6

C7H10N2O2S2*C4H6O6

C27H26N8O4S2

C27H26N8O4S2

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 80℃; for 3h;94.3%
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

ethanolamine
141-43-5

ethanolamine

7-(but-2-yn-1-yl)-8-((2-hydroxyethyl)amino)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

7-(but-2-yn-1-yl)-8-((2-hydroxyethyl)amino)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
In toluene for 2h; Reflux;94.2%
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

C13H10Cl4N2O2*C4H6O6

C13H10Cl4N2O2*C4H6O6

C33H26Cl4N8O4

C33H26Cl4N8O4

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 80 - 140℃; for 3h;94.1%
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)-2-(piperidin-3-yl)isoindoline-1,3-dione D-(-)-tartaric acid salt
886588-62-1

(R)-2-(piperidin-3-yl)isoindoline-1,3-dione D-(-)-tartaric acid salt

(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;94%
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

C21H20N2O2*C4H6O6

C21H20N2O2*C4H6O6

C41H36N8O4

C41H36N8O4

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 140℃;92%
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

C11H18N2*C4H6O6

C11H18N2*C4H6O6

C31H34N8O2

C31H34N8O2

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In 1-methyl-pyrrolidin-2-one at 100℃;92%
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)-3-(benzylideneamino)piperidine

(R)-3-(benzylideneamino)piperidine

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

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

Conditions
ConditionsYield
With potassium carbonate In toluene at 100℃; Temperature;91.2%
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

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%
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)-3-piperidinyl phthalimide hydrochloride

(R)-3-piperidinyl phthalimide hydrochloride

(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: 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; 3-(R)-piperidinyl phthalimide hydrochloride With potassium carbonate In Isopropyl acetate for 0.5h;
Stage #2: With benzyltrimethylammonium chloride In Isopropyl acetate for 16h; Solvent; Reflux;
88.7%
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

dimethyl amine
124-40-3

dimethyl amine

7-(but-2-yn-1-yl)-8-(dimethylamino)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-3,7-dihydro-1H-purine-2,6-dione

7-(but-2-yn-1-yl)-8-(dimethylamino)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl-formamide at 25 - 55℃; for 24h; Inert atmosphere;71.66%
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

(3R)-3-aminopyrrolidine dihydrochloride
103831-11-4, 116183-81-4, 116183-83-6, 122458-34-8

(3R)-3-aminopyrrolidine dihydrochloride

(R)-8-(3-aminopyrrolidin-1-yl)-7-(but-2-ynyl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-1H-purine-2,6(3H,7H)-dione

(R)-8-(3-aminopyrrolidin-1-yl)-7-(but-2-ynyl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 6h;70%
piperidine
110-89-4

piperidine

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

7-(but-2-ynyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-(piperidin-1-yl)-1H-purine-2,6(3H,7H)-dione

7-(but-2-ynyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-(piperidin-1-yl)-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 6h;67%
piperazine
110-85-0

piperazine

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

7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione

7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
In DMF (N,N-dimethyl-formamide) at 200℃; for 0.0833333h; Microwave irradiation;66%
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 6h;58%
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

(S)-3-aminopyrrolidine dihydrochloride
103831-11-4, 116183-81-4, 116183-83-6, 122458-34-8

(S)-3-aminopyrrolidine dihydrochloride

(S)-8-(3-aminopyrrolidin-1-yl)-7-(but-2-ynyl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-1H-purine-2,6(3H,7H)-dione

(S)-8-(3-aminopyrrolidin-1-yl)-7-(but-2-ynyl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 6h;65%
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

tert-butyl (S)-piperidin-3-yl-carbamate
216854-23-8

tert-butyl (S)-piperidin-3-yl-carbamate

1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(S)-tert-butoxycarbonylaminopiperidin-1-yl)xanthine
668273-74-3

1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(S)-tert-butoxycarbonylaminopiperidin-1-yl)xanthine

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran for 16h; Reflux;65%
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)-1-cyclohexyl-N-(piperidin-3-yl)methanimine

(R)-1-cyclohexyl-N-(piperidin-3-yl)methanimine

(R)-7-(but-2-yn-1-yl)-8-(3-((cyclohexylmethylen)amino)piperidin-1-yl)-3-methyl-1-((4-methyilquinazolin-2-yl)methyl)-3,7-dihydro-1H-purin-2,6-dione

(R)-7-(but-2-yn-1-yl)-8-(3-((cyclohexylmethylen)amino)piperidin-1-yl)-3-methyl-1-((4-methyilquinazolin-2-yl)methyl)-3,7-dihydro-1H-purin-2,6-dione

Conditions
ConditionsYield
With potassium phosphate In 1-methyl-pyrrolidin-2-one; toluene at 103℃;64.2%
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

(S)-octahydropyrrolo[1,2-a]pyrazine
93643-24-4

(S)-octahydropyrrolo[1,2-a]pyrazine

(S)-7-(but-2-ynyl)-8-(hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

(S)-7-(but-2-ynyl)-8-(hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 75℃; for 6h;60%
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

3-phenyl-N-((R)-piperidin-3-yl)prop-2-en-1-imine

3-phenyl-N-((R)-piperidin-3-yl)prop-2-en-1-imine

7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((R)-3-(((1E,2E)-3-phenylallylidene)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((R)-3-(((1E,2E)-3-phenylallylidene)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Conditions
ConditionsYield
With potassium phosphate In 1-methyl-pyrrolidin-2-one; toluene at 103℃;56.5%
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)-1-(4-methylphenyl)-N-(piperidin-3-yl)methanimine

(R)-1-(4-methylphenyl)-N-(piperidin-3-yl)methanimine

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

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

Conditions
ConditionsYield
With potassium phosphate In 1-methyl-pyrrolidin-2-one; toluene at 103℃;54.7%
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)-1-(4-nitrophenyl)-N-(piperidin-3-yl)methanimine

(R)-1-(4-nitrophenyl)-N-(piperidin-3-yl)methanimine

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

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

Conditions
ConditionsYield
With potassium phosphate In 1-methyl-pyrrolidin-2-one; toluene at 103℃;54.7%
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