Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
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inquiryPaquinimod CAS:248282-01-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates
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factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:yellow to white solid Storage:keep sealed and keep from direct light Package:According client's requirements Application:Phar
3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-Appearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:H
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inquiry1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxylic acid methyl ester
N-ethyl-N-phenylamine
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
In n-heptane for 2h; Product distribution / selectivity; Reflux; Molecular sieve; | 93% |
N-ethyl-N-phenylamine
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
With thionyl chloride; triethylamine In dichloromethane at 0 - 20℃; for 4.5h; |
5-ethyl-1H-benzo[d][1,3]oxazine-2,4-dione
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: NaH / dimethylformamide / 5 h / 20 °C 2: NaH / dimethylformamide / 5 h / 85 °C 3: HCl / acetic acid / 6 h / 60 °C 4: SOCl2; Et3N / CH2Cl2 / 4.5 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: potassium carbonate / N,N-dimethyl-formamide 2: sodium methylate / N,N-dimethyl-formamide 3: n-heptane / 2 h / Reflux; Molecular sieve View Scheme |
6-ethyl-anthranilic acid
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: dioxane / 1 h / 20 °C 2: NaH / dimethylformamide / 5 h / 20 °C 3: NaH / dimethylformamide / 5 h / 85 °C 4: HCl / acetic acid / 6 h / 60 °C 5: SOCl2; Et3N / CH2Cl2 / 4.5 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: chloroformic acid ethyl ester / 1,4-dioxane 2: potassium carbonate / N,N-dimethyl-formamide 3: sodium methylate / N,N-dimethyl-formamide 4: n-heptane / 2 h / Reflux; Molecular sieve View Scheme |
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: NaH / dimethylformamide / 5 h / 85 °C 2: HCl / acetic acid / 6 h / 60 °C 3: SOCl2; Et3N / CH2Cl2 / 4.5 h / 0 - 20 °C View Scheme |
ethyl 5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-1-oxo-3-quinolinecarboxylate
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: HCl / acetic acid / 6 h / 60 °C 2: SOCl2; Et3N / CH2Cl2 / 4.5 h / 0 - 20 °C View Scheme |
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
With sodium hydroxide; calcium acetate In ethanol; water at 20 - 70℃; for 1.08333h; pH=7.5; | 98% |
Stage #1: N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide With sodium hydroxide In ethanol; water pH=7.5; Stage #2: With calcium acetate In ethanol; water | 98% |
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
N-ethyl-N-phenyl-5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxamide lithium salt
Conditions | Yield |
---|---|
With lithium hydroxide In ethanol; water for 4h; | 84% |
With lithium hydroxide In ethanol; water for 4h; | 84% |
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
With sodium hydroxide; zinc diacetate In ethanol; chloroform; water for 0.166667h; | 76% |
Stage #1: N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide With sodium hydroxide In ethanol; water Stage #2: With zinc diacetate In ethanol; chloroform; water for 0.166667h; | 76% |
propan-1-ol
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
Conditions | Yield |
---|---|
With hydrogenchloride In water at 45 - 60℃; for 4h; Reactivity; | |
With hydrogenchloride at 45 - 60℃; for 4h; Reactivity; |
ethanol
N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
ethyl 5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-1-oxo-3-quinolinecarboxylate
Conditions | Yield |
---|---|
Reflux; |
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