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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

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt Manufacturer/High quality/Best price/In stock

Cas:888504-28-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Think Chemical Co. Ltd

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt CAS No.:888504-28-7 Name: 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt Molecular Structure Molecular Formula: C4H3KN2O3

High purity 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt CAS No.:888504-28-7

Cas:888504-28-7

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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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

Factory Supply Potassium 5-methyl-1,3,4-oxadiazole-2-carboxylate

Cas:888504-28-7

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

5-methyl-1,3,4-oxadiazole-2-carboxylic acid Potassium salt

Cas:888504-28-7

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/1039.html Product Name 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:1 Gram

FOB Price: $45.0

Type:Lab/Research institutions

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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

New arrival CAS 888504-28-7 with best price

Cas:888504-28-7

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

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 serv

Ritagyvir Intermediates 888504-28-7 API Manufacturer

Cas:888504-28-7

Min.Order:10 Gram

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

1,3,4-Oxadiazole-2-carboxylicacid, 5-methyl-, potassium salt (1:1) 888504-28-7

Cas:888504-28-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt CAS:888504-28-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, sp

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt CAS:888504-28-7

Cas:888504-28-7

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

1,3,4-Oxadiazole-2-carboxylicacid, 5-methyl-, potassium salt (1:1)

Cas:888504-28-7

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 R&amp

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in lead acetate, diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries,

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt cas no.888504-28-7

Cas:888504-28-7

Min.Order:1 Kilogram

FOB Price: $280.0 / 300.0

Type:Trading Company

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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

1,3,4-Oxadiazole-2-carboxylicacid, 5-methyl-, potassium salt (1:1)

Cas:888504-28-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

5-Methyl-1,3,4-Oxadiazole-2-Carboxylic Acid Potassium Salt

Cas:888504-28-7

Min.Order:0

Negotiable

Type:Manufacturers

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Hangzhou Keyingchem Co.,Ltd

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

potassium,5-methyl-1,3,4-oxadiazole-2-carboxylate

Cas:888504-28-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

5-METHYL-1,3,4-OXADIAZOLE-2-CARBOXYLIC ACID POTASSIUM SALT

Cas:888504-28-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

1,3,4-Oxadiazole-2-carboxylicacid, 5-methyl-, potassium salt (1:1)

Cas:888504-28-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt/High quality/Best price

Cas:888504-28-7

Min.Order:1 Gram

FOB Price: $1.0

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

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

tianfu-chem_5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt 888504-28-7

Cas:888504-28-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

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

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 5-Methyl-1,3,4-Oxadiazole-2-Carboxylic Acid Potassium Salt CAS No.:888504-28-7 Molecule Formula:C4H3KN2O3 Molecule Weight:166.17 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard

Best Quality 5-Methyl-1,3,4-Oxadiazole-2-Carboxylic Acid Potassium Salt

Cas:888504-28-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt Chemical Properties Melting point 258.3 °C (decomp) storage temp. Inert atmosphere,Store in freezer, under -20°C InChIKey BRHMYHXNUGVBCU-UHFFFAOYSA-M Safety Information WGK

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

potassium,5-methyl-1,3,4-oxadiazole-2-carboxylate

Cas:888504-28-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:0

Negotiable

Type:Trading Company

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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

potassium,5-methyl-1,3,4-oxadiazole-2-carboxylate

Cas:888504-28-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

potassium,5-methyl-1,3,4-oxadiazole-2-carboxylate

Cas:888504-28-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Cas:888504-28-7

Min.Order:1 Gram

Negotiable

Type:Other

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Synthetic route

5-methyl-1,3,4-oxadiazole-2-carboxylic acid ethyl ester
37641-36-4

5-methyl-1,3,4-oxadiazole-2-carboxylic acid ethyl ester

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Conditions
ConditionsYield
With potassium trimethylsilonate In diethyl ether at 20℃;100%
With potassium hydroxide In ethanol; water at 10 - 20℃; for 0.666667h;95%
With potassium trimethylsilonate In diethyl ether at 20℃;73%
5-methyl-1,2,3,4-tetrazole
4076-36-2

5-methyl-1,2,3,4-tetrazole

Ethyl oxalyl chloride
4755-77-5

Ethyl oxalyl chloride

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Conditions
ConditionsYield
Stage #1: 5-methyl-1,2,3,4-tetrazole; Ethyl oxalyl chloride With triethylamine In toluene at 0 - 65℃; for 3h;
Stage #2: With potassium hydroxide; water In ethanol at 10 - 20℃; for 1.16667h;
90.8%
Stage #1: 5-methyl-1,2,3,4-tetrazole; Ethyl oxalyl chloride With triethylamine In toluene at 0 - 5℃; for 1h;
Stage #2: In toluene at 50 - 65℃; for 1.66667 - 1.83333h;
Stage #3: With potassium hydroxide In ethanol; water at 10 - 20℃; for 1.16667h;
90.8%
5-methyl-[1,3,4]oxadiazol carboxylic acid potassium salt
37641-35-3

5-methyl-[1,3,4]oxadiazol carboxylic acid potassium salt

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Conditions
ConditionsYield
With potassium hydroxide; water In ethanol at 20℃; for 1.16667h;
C6H8N4O3

C6H8N4O3

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

Conditions
ConditionsYield
Stage #1: C6H8N4O3 In toluene at 50 - 70℃; Large scale reaction;
Stage #2: With potassium hydroxide In ethanol; water at 10 - 20℃;
4.48 kg
With potassium hydroxide In ethanol; water at 10℃; for 0.5h;8.0 g
With potassium hydroxide In ethanol; water for 2h;3.62 g
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

5-methyl-1,3,4-oxadiazole-2-carboxylic acid chloride
889131-28-6

5-methyl-1,3,4-oxadiazole-2-carboxylic acid chloride

Conditions
ConditionsYield
With phosgene; N,N-dimethyl-formamide In toluene at 0 - 5℃; for 1.5h;100%
With oxalyl dichloride; N,N-dimethyl-formamide In acetonitrile at 0 - 5℃; for 1.33333h;
With oxalyl dichloride; N,N-dimethyl-formamide In acetonitrile at 0℃; for 2.33333h; Product distribution / selectivity;
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

2-(2-aminopropan-2-yl)-N-(4-fluorobenzyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carbox-amide methanesulfonate

2-(2-aminopropan-2-yl)-N-(4-fluorobenzyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carbox-amide methanesulfonate

raltegravir
518048-05-0

raltegravir

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride; N,N-dimethyl-formamide In toluene at 0 - 5℃; for 1.5h; Inert atmosphere;
Stage #2: 2-(2-aminopropan-2-yl)-N-(4-fluorobenzyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carbox-amide methanesulfonate With triethylamine In toluene; acetonitrile at 20 - 55℃;
87%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

C44H58N6O9S2

C44H58N6O9S2

C43H52N8O9S2

C43H52N8O9S2

Conditions
ConditionsYield
Stage #1: C44H58N6O9S2 With hydrogenchloride In isopropyl alcohol at 0 - 20℃;
Stage #2: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 30℃; for 6h; Inert atmosphere;
60%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

N-(4-fluorobenzyl)-3-hydroxy-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-2-carboxamide hydrobromide

N-(4-fluorobenzyl)-3-hydroxy-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-2-carboxamide hydrobromide

A

Ethyl 2-(2-(4-fluorobenzylcarbamoyl)-3-hydroxy-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-1'-yl)-2-oxoacetate

Ethyl 2-(2-(4-fluorobenzylcarbamoyl)-3-hydroxy-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-1'-yl)-2-oxoacetate

B

N-(4-Fluorobenzyl)-3-hydroxy-1'-(5-methyl-1,3,4-oxadiazole-2-carbonyl)-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-2-carboxamide

N-(4-Fluorobenzyl)-3-hydroxy-1'-(5-methyl-1,3,4-oxadiazole-2-carbonyl)-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-2-carboxamide

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 1h;
Stage #2: N-(4-fluorobenzyl)-3-hydroxy-4-oxo-6,7-dihydro-4H-spiro[pyrimido[2,1-c][1,4]oxazine-9,3'-pyrrolidine]-2-carboxamide hydrobromide With triethylamine In dichloromethane at 20℃; for 18h;
A 35%
B 56%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

(S)-2-(6-(aminomethyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methylpyridin-3-yl)-2-(tert-butoxy)acetic acid

(S)-2-(6-(aminomethyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methylpyridin-3-yl)-2-(tert-butoxy)acetic acid

(S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methyl-6-((5-methyl-1,3,4-oxadiazole-2-carboxamido)methyl)pyridin-3-yl)acetic acid

(S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methyl-6-((5-methyl-1,3,4-oxadiazole-2-carboxamido)methyl)pyridin-3-yl)acetic acid

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride In dichloromethane at 20℃; for 1h;
Stage #2: (S)-2-(6-(aminomethyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methylpyridin-3-yl)-2-(tert-butoxy)acetic acid With N-ethyl-N,N-diisopropylamine In tetrahydrofuran; water at 20℃; for 1.5h;
35.9%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

C38H48N6O7S2*ClH

C38H48N6O7S2*ClH

C42H50N8O9S2

C42H50N8O9S2

Conditions
ConditionsYield
With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 30℃; for 4h; Inert atmosphere;30%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

2-(2-amino-(1,3-d6-propan)-2-yl)-N-(4-fluorobenzyl-d6)-5-hydroxy-1-(methyl-d3)-6-oxo-1,6-dihydropyrimidine-4-carboxamide
1100750-76-2

2-(2-amino-(1,3-d6-propan)-2-yl)-N-(4-fluorobenzyl-d6)-5-hydroxy-1-(methyl-d3)-6-oxo-1,6-dihydropyrimidine-4-carboxamide

N-(2-(4-(4-fluoro(benzyl-d6)carbamoyl)-5-hydroxy-1-(methyl-d3)-6-oxo-1,6-dihydropyrimidin-2-yl)-(1,3-d6-propan)-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamide
1100751-07-2

N-(2-(4-(4-fluoro(benzyl-d6)carbamoyl)-5-hydroxy-1-(methyl-d3)-6-oxo-1,6-dihydropyrimidin-2-yl)-(1,3-d6-propan)-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamide

Conditions
ConditionsYield
With HATU In N,N-dimethyl-formamide at 0℃; for 3h;25%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

1-methyl-1-(4-nitro-phenyl)-ethylamine
3276-37-7

1-methyl-1-(4-nitro-phenyl)-ethylamine

5-methyl-N-(2-(4-nitrophenyl)propan-2-yl)-1,3,4-oxadiazole-2-carboxamide

5-methyl-N-(2-(4-nitrophenyl)propan-2-yl)-1,3,4-oxadiazole-2-carboxamide

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride; N,N-dimethyl-formamide for 1h; Cooling with ice;
Stage #2: 1-methyl-1-(4-nitro-phenyl)-ethylamine With 4-methyl-morpholine for 2h; Cooling with ice;
20%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

3β-O-(3',3'-dimethylsuccinyl)-17β-(methylamino)-21-oxolup-18-ene
1169849-35-7

3β-O-(3',3'-dimethylsuccinyl)-17β-(methylamino)-21-oxolup-18-ene

3β-O-(3',3'-dimethylsuccinyl)-17β-[methyl-(5-methyl-[1,3,4]oxadiazole-2-carbonyl)-amino]-21-oxolup-18-ene
1169850-90-1

3β-O-(3',3'-dimethylsuccinyl)-17β-[methyl-(5-methyl-[1,3,4]oxadiazole-2-carbonyl)-amino]-21-oxolup-18-ene

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride; N,N-dimethyl-formamide In acetonitrile at 0℃; for 0.833333h;
Stage #2: 3β-O-(3',3'-dimethylsuccinyl)-17β-(methylamino)-21-oxolup-18-ene With triethylamine In tetrahydrofuran; acetonitrile at 20℃; for 3.5h;
16%
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride; N,N-dimethyl-formamide In acetonitrile at 0℃; for 0.833333h;
Stage #2: 3β-O-(3',3'-dimethylsuccinyl)-17β-(methylamino)-21-oxolup-18-ene With triethylamine In tetrahydrofuran; acetonitrile at 20℃; for 3.5h;
16%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

(S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methyl-6-((methylamino)methyl)pyridin-3-yl)acetic acid

(S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methyl-6-((methylamino)methyl)pyridin-3-yl)acetic acid

(S)-2-(tert-butoxy)-2-(6-((N,5-dimethyl-1,3,4-oxadiazole-2-carboxamido)methyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methylpyridin-3-yl)acetic acid

(S)-2-(tert-butoxy)-2-(6-((N,5-dimethyl-1,3,4-oxadiazole-2-carboxamido)methyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methylpyridin-3-yl)acetic acid

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride In dichloromethane at 20℃; for 1h;
Stage #2: (S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(4-(4-fluorophenethoxy)phenyl)-2-methyl-6-((methylamino)methyl)pyridin-3-yl)acetic acid In dichloromethane at 20℃; for 2h;
13.86%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

N-(4-fluorobenzyl)-3'-hydroxy-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,9'-pyrazino[1,2-a]pyrimidine]-2'-carboxamide hydrobromide

N-(4-fluorobenzyl)-3'-hydroxy-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,9'-pyrazino[1,2-a]pyrimidine]-2'-carboxamide hydrobromide

N-(4-Fluorobenzyl)-3'-hydroxy-1-(5-methyl-1,3,4-oxadiazole-2-carbonyl)-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,9'-pyrazino[1,2-a]pyrimidine]-2'-carboxamide

N-(4-Fluorobenzyl)-3'-hydroxy-1-(5-methyl-1,3,4-oxadiazole-2-carbonyl)-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,9'-pyrazino[1,2-a]pyrimidine]-2'-carboxamide

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 0.5h;
Stage #2: N-(4-fluorobenzyl)-3'-hydroxy-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,9'-pyrazino[1,2-a]pyrimidine]-2'-carboxamide hydrobromide With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃;
9%
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

(S)-2-(6-(acetamidomethyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(2-(4-fluoro-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl)-2-methylpyridin-3-yl)-2-(tert-butoxy)acetic acid

(S)-2-(6-(acetamidomethyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(2-(4-fluoro-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl)-2-methylpyridin-3-yl)-2-(tert-butoxy)acetic acid

(S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(2-(4-fluoro-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl)-2-methyl-6-((5-methyl-1,3,4-oxadiazole-2-carboxamido)methyl)pyridin-3-yl)acetic acid

(S)-2-(tert-butoxy)-2-(4-(4,4-dimethylpiperidin-1-yl)-5-(2-(4-fluoro-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl)-2-methyl-6-((5-methyl-1,3,4-oxadiazole-2-carboxamido)methyl)pyridin-3-yl)acetic acid

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With oxalyl dichloride In dichloromethane for 1h;
Stage #2: (S)-2-(6-(acetamidomethyl)-4-(4,4-dimethylpiperidin-1-yl)-5-(2-(4-fluoro-2-methylbenzyl)-1,2,3,4-tetrahydroisoquinolin-6-yl)-2-methylpyridin-3-yl)-2-(tert-butoxy)acetic acid With triethylamine In dichloromethane at 20℃; for 2h;
8.49%
2-(1-amino-1-methyl-ethyl)-N-[(4-fluorophenyl)methyl]-1,6-dihydro-5-hydroxy-1-methyl-6-oxo-4-pyrimidinecarboxamide
518048-03-8

2-(1-amino-1-methyl-ethyl)-N-[(4-fluorophenyl)methyl]-1,6-dihydro-5-hydroxy-1-methyl-6-oxo-4-pyrimidinecarboxamide

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

raltegravir
518048-05-0

raltegravir

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With 4-methyl-morpholine; pivaloyl chloride In 1-methyl-pyrrolidin-2-one; acetonitrile at 0℃; for 6.16667h;
Stage #2: 2-(1-amino-1-methyl-ethyl)-N-[(4-fluorophenyl)methyl]-1,6-dihydro-5-hydroxy-1-methyl-6-oxo-4-pyrimidinecarboxamide With 4-methyl-morpholine In 1-methyl-pyrrolidin-2-one; acetonitrile at 20℃; for 16h;
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

2,2-dimethyl-propionic acid 2-(1-amino-1-methyl-ethyl)-4-(4-fluorobenzylcarbamoyl)-1-methyl-6-oxo-1,6-dihydropyrimidin-5-yl ester
1172131-64-4

2,2-dimethyl-propionic acid 2-(1-amino-1-methyl-ethyl)-4-(4-fluorobenzylcarbamoyl)-1-methyl-6-oxo-1,6-dihydropyrimidin-5-yl ester

raltegravir
518048-05-0

raltegravir

Conditions
ConditionsYield
Stage #1: 5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt With 4-methyl-morpholine; pivaloyl chloride In 1-methyl-pyrrolidin-2-one; acetonitrile at -10℃; for 15h; Inert atmosphere;
Stage #2: 2,2-dimethyl-propionic acid 2-(1-amino-1-methyl-ethyl)-4-(4-fluorobenzylcarbamoyl)-1-methyl-6-oxo-1,6-dihydropyrimidin-5-yl ester In 1-methyl-pyrrolidin-2-one; acetonitrile at 20℃;
Stage #3: With ammonium hydroxide In isopropyl alcohol at 20℃; for 1h;
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
888504-28-7

5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt

cis-7-methyl-N-(3,4,5-trifluorophenyl)-2,3,3a,4,10,10a-hexahydro-1H,7H-dipyrrolo[3,4-b:3',4'-f][1,4,5]oxathiazocine-8-carboxamide 5,5-dioxide hydrochloride

cis-7-methyl-N-(3,4,5-trifluorophenyl)-2,3,3a,4,10,10a-hexahydro-1H,7H-dipyrrolo[3,4-b:3',4'-f][1,4,5]oxathiazocine-8-carboxamide 5,5-dioxide hydrochloride

cis-7-methyl-2-(5-methyl-1,3,4-oxadiazole-2-carbonyl)-N-(3,4,5-trifluorophenyl)-2,3,3a,4,10,10a-hexahydro-1H,7H-dipyrrolo[3,4-b:3',4'-f][1,4,5]oxathiazocine-8-carboxamide 5,5-dioxide

cis-7-methyl-2-(5-methyl-1,3,4-oxadiazole-2-carbonyl)-N-(3,4,5-trifluorophenyl)-2,3,3a,4,10,10a-hexahydro-1H,7H-dipyrrolo[3,4-b:3',4'-f][1,4,5]oxathiazocine-8-carboxamide 5,5-dioxide

Conditions
ConditionsYield
With 2-(2,3-dihydro-1H-benzo[d][1,2,3]triazol-1-yl)-1,1,3,3-tetramethylisouronium hexafluorophosphate(V); triethylamine In N,N-dimethyl-formamide at 20℃; for 1h;7.23 mg

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