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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

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

High quality 2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid supplier in China

Cas:739364-95-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical intermed

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

2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Manufacturers

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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

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/714.html Product Name 2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid CAS No.

2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Gram

FOB Price: $63.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--739364-95-5--2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had

TIANFUCHEM--739364-95-5--2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid factory price

Cas:739364-95-5

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Factory direct supply CAS 739364-95-5 with best quality

Cas:739364-95-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid CAS NO 739364-95-5

Cas:739364-95-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid 739364-95-5

Cas:739364-95-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid/ LIDE PHARMA- Factory supply / Best price

Cas:739364-95-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Kilogram

FOB Price: $50.0 / 54.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid CAS:739364-95-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, speciali

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid CAS:739364-95-5

Cas:739364-95-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

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

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid Synonyms: 2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid [(2-Methylpyrazolo[1;2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid 95+%;2-Methylpyrazolo[1,5-a]pyriMidine-6-carb

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid supplier best quality

Cas:739364-95-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Taizhou Crene Biotechnology co.ltd

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

Anagliptin InterMediate 739364-95-5

Cas:739364-95-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Name 2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid Molecular Structure Molecular Formula C8H7N3O2 Mol

2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

2-METHYLPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLIC ACID

Cas:739364-95-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Systeam Biochem CO.,ltd

2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid(We are one of a few suppliers that can offer custom synthesis service of this product) We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and co

2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Kilogram

FOB Price: $44.0 / 99.0

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality 2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acidAppearance:powder Storage:store in cool, dry place Package:according to customers' requirements Application:739364-95-5 Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF o

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Gram

Negotiable

Type:Other

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SICHUAN TONGSHENG AMINOACID CO.LTD

Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we have the best quality and price. Guarantee high quality, competive price and reliable service. We fully compliance with ISO900

Intermediates of Anagliptin 739364-95-5

Cas:739364-95-5

Min.Order:50 Gram

Negotiable

Type:Manufacturers

inquiry

Siwei Development Group Ltd.

Product name: 2-Methylpyrazolo[1,5-a]Pyrimidine-6-Carboxylic Acid CAS No.:739364-95-5 Molecule Formula:C8H7N3O2 Molecule Weight:177.16 Purity: 99% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard

High Quality 2-Methylpyrazolo[1,5-a]Pyrimidine-6-Carboxylic Acid in stock

Cas:739364-95-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid Basic information Product Name: 2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid Synonyms: 2-Methylpyrazolo[1;5-a]pyriMidine-6-carboxylic acid;2-Methylpyrazolo[1,5-a]py...;2-Methylpyrazolo

2-Methylpyrazolo[1,5-a]pyriMidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:0

Negotiable

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

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

2-Methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Cas:739364-95-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Synthetic route

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Conditions
ConditionsYield
With water; sodium hydroxide at 60℃; Large scale;92%
With sodium hydroxide In tetrahydrofuran at 0℃; for 0.5h; Reagent/catalyst; Solvent; Temperature;92.4%
With lithium hydroxide In tetrahydrofuran; water at 20℃; for 2h;85.96%
2-methylpyrazolo[1,5-a]pyrimidine-6-carbaldehyde
933692-37-6

2-methylpyrazolo[1,5-a]pyrimidine-6-carbaldehyde

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Conditions
ConditionsYield
With sodium chlorite; dihydrogen peroxide In water at 50℃; for 1h; Reagent/catalyst; Temperature; Solvent;76.7%
2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid amide
338953-49-4

2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid amide

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In ethanol at 70℃; for 1h;63%
Stage #1: 2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid amide With potassium hydroxide In ethanol; water at 70℃; for 1h;
Stage #2: With hydrogenchloride Further stages;
63%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

2-chloro-4,6-dimethoxy-1 ,3,5-triazine
3140-73-6

2-chloro-4,6-dimethoxy-1 ,3,5-triazine

C13H12N6O4

C13H12N6O4

Conditions
ConditionsYield
With triethylamine In dichloromethane95%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

(S)-1-[(2-amino-1,1-dimethylethyl)aminoacetyl]pyrrolidine-2-carbonitrile dihydrochloride

(S)-1-[(2-amino-1,1-dimethylethyl)aminoacetyl]pyrrolidine-2-carbonitrile dihydrochloride

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

Conditions
ConditionsYield
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In acetonitrile for 0.5h;
Stage #2: (S)-1-[(2-amino-1,1-dimethylethyl)aminoacetyl]pyrrolidine-2-carbonitrile dihydrochloride In acetonitrile at 20℃; for 3h;
88%
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With 1,1'-carbonyldiimidazole In dichloromethane at 25 - 35℃; for 4h;
Stage #2: (S)-1-[(2-amino-1,1-dimethylethyl)aminoacetyl]pyrrolidine-2-carbonitrile dihydrochloride With triethylamine In dichloromethane at 10 - 35℃; for 2h;
53.2 g
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

C11H20N4O*ClH

C11H20N4O*ClH

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

Conditions
ConditionsYield
With triethylamine; 1,1'-carbonyldiimidazole In dichloromethane at 0 - 20℃; Reagent/catalyst; Solvent; Concentration; Temperature; Large scale;87%
1-hydroxy-pyrrolidine-2,5-dione
6066-82-6

1-hydroxy-pyrrolidine-2,5-dione

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

C12H10N4O4

C12H10N4O4

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 8h; Cooling with ice;86%
2,4-Dichloro-6-methoxy-1,3,5-triazine
3638-04-8

2,4-Dichloro-6-methoxy-1,3,5-triazine

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

C12H9ClN6O3

C12H9ClN6O3

Conditions
ConditionsYield
With pyridine In tetrahydrofuran Solvent;84%
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

C11H6Cl2N6O2

C11H6Cl2N6O2

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran Solvent;70%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

(2S)-1-{[(1-amino-2-methylpropan-2-yl)amino]acetyl}pyrrolidine-2-carbonitrile methane sulfonate

(2S)-1-{[(1-amino-2-methylpropan-2-yl)amino]acetyl}pyrrolidine-2-carbonitrile methane sulfonate

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane69.3%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

(S)-1-(2-((1-amino-2-methylpropan-2-yl)amino)acetyl)pyrrolidine-2-carbonitrile
794460-89-2

(S)-1-(2-((1-amino-2-methylpropan-2-yl)amino)acetyl)pyrrolidine-2-carbonitrile

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

Conditions
ConditionsYield
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 25 - 30℃; for 3h;
Stage #2: (S)-1-(2-((1-amino-2-methylpropan-2-yl)amino)acetyl)pyrrolidine-2-carbonitrile In tetrahydrofuran for 15h; Reagent/catalyst; Solvent;
62%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20 - 50℃; for 2h; Temperature;55%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

N,N,dimethyl-1,4-butanediamine
83686-55-9

N,N,dimethyl-1,4-butanediamine

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (4-amino-4-methylpentyl)amide

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (4-amino-4-methylpentyl)amide

Conditions
ConditionsYield
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide In tetrahydrofuran at 0 - 20℃; for 0.5h;
Stage #2: N,N,dimethyl-1,4-butanediamine With triethylamine In tetrahydrofuran at 0 - 20℃;
55%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

C15H20N4O2

C15H20N4O2

C21H21N7O3

C21H21N7O3

Conditions
ConditionsYield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; for 24h;46.67%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

5-chloro-6-(difluoromethoxy)pyridin-3-amine

5-chloro-6-(difluoromethoxy)pyridin-3-amine

1-(5-chloro-6-(difluoromethoxy)pyridin-3-yl)-3-(2-methylpyrazolo[1,5-a]pyrimidin-6-yl)urea

1-(5-chloro-6-(difluoromethoxy)pyridin-3-yl)-3-(2-methylpyrazolo[1,5-a]pyrimidin-6-yl)urea

Conditions
ConditionsYield
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With diphenyl phosphoryl azide; triethylamine In 1,4-dioxane at 20℃; for 0.833333h; Inert atmosphere;
Stage #2: 5-chloro-6-(difluoromethoxy)pyridin-3-amine at 100℃; for 2h; Inert atmosphere;
15%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

1-(aminomethyl)cyclopentanamine
5062-66-8

1-(aminomethyl)cyclopentanamine

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (1-aminocyclopentylmethyl)amide

2-Methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (1-aminocyclopentylmethyl)amide

Conditions
ConditionsYield
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide In tetrahydrofuran at 0 - 20℃; for 3h;
Stage #2: 1-(aminomethyl)cyclopentanamine With potassium carbonate In tetrahydrofuran at -60 - 20℃; for 22.5h;
12%
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

C8H6ClN3O

C8H6ClN3O

Conditions
ConditionsYield
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 0 - 20℃; for 6.16667h;
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

Anagliptin hydrochloride
1359670-56-6

Anagliptin hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: tetrahydrofuran / 4 h / 20 °C
2.1: triethylamine / tetrahydrofuran / 20 °C / Cooling with ice
2.2: 0.17 h / 10 °C
View Scheme
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

C12H9N5O3

C12H9N5O3

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 4h;
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

1,1-dimethylethylenediamine
811-93-8

1,1-dimethylethylenediamine

N-(2-amino-2-methylpropyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxamide

N-(2-amino-2-methylpropyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxamide

Conditions
ConditionsYield
Stage #1: 2-methylpyrazolo[1,5-a] pyrimidine-6-carboxylic acid With 1,1'-carbonyldiimidazole In dichloromethane at 25 - 30℃; for 1h; Inert atmosphere;
Stage #2: 1,1-dimethylethylenediamine In dichloromethane at 0 - 10℃;
8.8 g
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

C11H9N5O

C11H9N5O

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 4h;
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

(S)-1-(2-((1-amino-2-methylpropan-2-yl)amino)acetyl)pyrrolidine-2-carbonitrile
794460-89-2

(S)-1-(2-((1-amino-2-methylpropan-2-yl)amino)acetyl)pyrrolidine-2-carbonitrile

C19H27N7O3

C19H27N7O3

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 3 h / 25 - 30 °C
1.2: 15 h
2.1: sodium hydroxide; water / 5.08 h / 5 °C
View Scheme
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 8 h / 20 °C / Cooling with ice
2: N-ethyl-N,N-diisopropylamine / dichloromethane / 5 h
View Scheme
2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid
739364-95-5

2-methyl-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid

(S)-1-[(2-amino-1,1-dimethylethyl)aminoacetyl]pyrrolidine-2-carbonitrile dihydrochloride

(S)-1-[(2-amino-1,1-dimethylethyl)aminoacetyl]pyrrolidine-2-carbonitrile dihydrochloride

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide hydrochloride

(S)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid {2-[(2-cyanopyrrolidin-1-yl)-2-oxoethylamino]-2-methylpropyl}amide hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1,1'-carbonyldiimidazole / dichloromethane / 4 h / 25 - 35 °C
1.2: 2 h / 10 - 35 °C
2.1: isopropyl alcohol hydrogen chloride / 1,4-dioxane; diethyl ether / 1 h / 25 - 30 °C
View Scheme

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