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inquiry5-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
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1039.html Product Name 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
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inquiryCompany 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
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inquiryJ&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
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inquiryMassive 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
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inquiryProduct 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,
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inquiryProduct 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
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inquiry5-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
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inquiryfactory?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
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inquiryWe 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
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inquiry5-methyl-1,3,4-oxadiazole-2-carboxylic acid ethyl ester
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
Conditions | Yield |
---|---|
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
Ethyl oxalyl chloride
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
Conditions | Yield |
---|---|
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
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
Conditions | Yield |
---|---|
With potassium hydroxide; water In ethanol at 20℃; for 1.16667h; |
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
Conditions | Yield |
---|---|
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
5-methyl-1,3,4-oxadiazole-2-carboxylic acid chloride
Conditions | Yield |
---|---|
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; |
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
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
Conditions | Yield |
---|---|
With HATU In N,N-dimethyl-formamide at 0℃; for 3h; | 25% |
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
1-methyl-1-(4-nitro-phenyl)-ethylamine
Conditions | Yield |
---|---|
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
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
5-methyl-1,3,4-oxadiazole-2-carboxylic acid potassium salt
raltegravir
Conditions | Yield |
---|---|
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
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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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