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Hebei Nengqian Chemical Import and Export Co., LTD

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

Paquinimod CAS:248282-01-1

Cas:248282-01-1

Min.Order:1 Kilogram

FOB Price: $50.0 / 95.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Paquinimod 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

Paquinimod CAS:248282-01-1

Cas:248282-01-1

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

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:1 Kilogram

Negotiable

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 Paquinimod

Cas:248282-01-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Paquinimod

Cas:248282-01-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:0

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Type:Lab/Research institutions

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Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Paquinimod CAS No.248282-01-1

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:off-white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as prima

Paquinimod

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Paquinimod

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port

Paquinimod

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

248282-01-1

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Paquinimod

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

​Paquinimod

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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Qingdao Sigma Chemical Co., Ltd.

Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo

High Quality Paquinimod

Cas:248282-01-1

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

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HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Trading Company

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Chungking Joyinchem Co., Ltd.

Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Sun-shine Bio-technology Corporation Limited

Wuhan Sun-shine Bio-technology Corporation Limited is specializing in the anticancer, antitumor,heart head blood-vessel,pharmaceutical intermediates,fine Chemicals production and customization..Company has strong ability of research and development,

N,5-diethyl-4-hydroxy-1-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

PAQUINIMODAppearance:yellow to white solid Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/

PAQUINIMOD

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Sino-Biochemical Laboratory Co.,Ltd

High quality ,special structure, regular with stock , custom synthese ,quotation with 24hrsAppearance:Good Storage:G to KG to 100KG Application:With high quality for lab research or production in pharm or special material area . With stock or custom

N,5-diethyl-4-hydroxy-1-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

248282-01-1

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

coolpharm Ltd

Known 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

PAQUINIMOD

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Other

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Chemical Co.Ltd

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

3-Quinolinecarboxamide, N,5-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-N-phenyl-

Cas:248282-01-1

Min.Order:0

Negotiable

Type:Trading Company

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Synthetic route

1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxylic acid methyl ester
1354639-60-3

1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxylic acid methyl ester

N-ethyl-N-phenylamine
103-69-5

N-ethyl-N-phenylamine

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

Conditions
ConditionsYield
In n-heptane for 2h; Product distribution / selectivity; Reflux; Molecular sieve;93%
N-ethyl-N-phenylamine
103-69-5

N-ethyl-N-phenylamine

5-ethyl-4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid

5-ethyl-4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

Conditions
ConditionsYield
With thionyl chloride; triethylamine In dichloromethane at 0 - 20℃; for 4.5h;
5-ethyl-1H-benzo[d][1,3]oxazine-2,4-dione
34934-06-0

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
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

Conditions
ConditionsYield
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
66232-56-2

6-ethyl-anthranilic acid

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

Conditions
ConditionsYield
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
5-ethyl-1-methyl-1H-benzo[d][1,3]oxazine-2,4-dione

5-ethyl-1-methyl-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
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

Conditions
ConditionsYield
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
675574-87-5

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
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

Conditions
ConditionsYield
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
248282-01-1

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 calcium salt

N-ethyl-N-phenyl-5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxamide calcium salt

Conditions
ConditionsYield
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
248282-01-1

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
862462-44-0

N-ethyl-N-phenyl-5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxamide lithium salt

Conditions
ConditionsYield
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
248282-01-1

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 zinc salt

N-ethyl-N-phenyl-5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxamide zinc salt

Conditions
ConditionsYield
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
71-23-8

propan-1-ol

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
248282-01-1

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide

C16H19NO4

C16H19NO4

Conditions
ConditionsYield
With hydrogenchloride In water at 45 - 60℃; for 4h; Reactivity;
With hydrogenchloride at 45 - 60℃; for 4h; Reactivity;
ethanol
64-17-5

ethanol

N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-5-ethyl-1-methyl-2-oxo-quinoline-3-carboxamide
248282-01-1

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
675574-87-5

ethyl 5-ethyl-1,2-dihydro-4-hydroxy-1-methyl-1-oxo-3-quinolinecarboxylate

Conditions
ConditionsYield
Reflux;

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