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Shandong Kehui Pharmaceutical Co., Ltd

Shandong Kehui Pharmaceutical Co., Ltd. is a modern high-tech pharmaceutical company that strictly complies with GMP requirements and produces high standards. The company was established in May 2017 and is located in the Yellow River Delta Medicine V

Nifedipine

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

Nifedipine Manufacturer/High quality/Best price/In stock

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance A yellow crystalline powder Complies Melting point 171℃-175℃

High quality Nifedipine with best price cas:21829-25-4

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $250.0 / 350.0

Type:Trading Company

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

High quality 21829-25-4 with best price

Cas:21829-25-4

Min.Order:10 Gram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Nifedipine Cas 21829-25-4 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:2-8°C Package:1kg/foil bag, 25kg/drum or as you requir

Bottom price high quality Nifedipine Cas 21829-25-4 with speciliazed manufacture

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $65.0

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. Main products are Titanium dioxide(CAS13463-67-7). Lead a

Nifedipine

Cas:21829-25-4

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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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 Nifedipine

Cas:21829-25-4

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

Factory Price API 99% Nifedipine 21829-25-4 GMP Manufacturer

Cas:21829-25-4

Min.Order:1 Gram

FOB Price: $0.1

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

Nifedipine

Cas:21829-25-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We can do different t

Factory Supply Nifedipine CAS 21829-25-4

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $20.0

Type:Trading Company

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Hubei DiBo chemical co., LTD

Chinese Name: Nifedipine Chinese alias: Rixinping; Nifedipine; Xintongding; Nifedipine English Name: Nifedipine English alias: 2,6-Dimethyl-3,5-dicarbomethoxy-4-(2-nitrophenyl) -1,4-dihydropyridine; CAS No. 21829-25-4 EINECS No. 244-598-3 Mol

Nifedipine Manufacturer/Cas:21829-25-4 /99.9% High purity

Cas:21829-25-4

Min.Order:100 Metric Ton

FOB Price: $3.0 / 5.0

Type:Other

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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 Nifedipine 21829-25-4

Cas:21829-25-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

CAS 21829-25-4 Nifedipine

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

High Purity CAS 21829-25-4 with fast shipping

Cas:21829-25-4

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Nifedipine:cas:21829-25-4

Cas:21829-25-4

Min.Order:1 Metric Ton

FOB Price: $20.0 / 30.0

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white powder Storage:Store in sealed containers at cool & dr

Raw Material Nifedipine CAS 21829-25-4 for Antihypertensive and Antianginal

Cas:21829-25-4

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

High Quality and Bulk Price Nifedipine Powder CAS 21829-25-4

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediate

Nifedipine 99% with lower price

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Hot Sale High Quality 99% Nifedipine Raw Powder Factory Price Nifedipine

Cas:21829-25-4

Min.Order:10 Gram

FOB Price: $3.5

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

1. One of the domestic largest manufacturers of API; 2. High quality,competitive price and delivery in time; 3. Supplier of safe and ecofriendly products ; 4. Stable supply and efficient service; 5. Cooperate with scientific

Good Quality Nifedipine/CAS 21829-25-4

Cas:21829-25-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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

Nifedipine

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $51.0 / 65.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Nifedipine CAS: 21829-25-4 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

Nifedipine CAS: 21829-25-4

Cas:21829-25-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-, dimethyl ester

Cas:21829-25-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products wi

High Quantity nifedipine powder

Cas:21829-25-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

Nifedipine CAS21829-25-4

Cas:21829-25-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

CAS NO.:21829-25-4

Cas:21829-25-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

Nifedipine

Cas:21829-25-4

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Nifedipine CAS: 21829-25-4 Specification Items Specification Result Appearance Yellow crystalline powder Yellow crystalline powder Assay

Factory supply Nifedipine

Cas:21829-25-4

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hubei Yuanmeng Biological Technology Co., Ltd.

Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other

High Purity Nifedipine CAS 21829-25-4 with Fast Shipment

Cas:21829-25-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

inquiry

Synthetic route

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With C23H3BF16N2O; ammonium acetate In toluene at 100℃; for 10h; Hantzsch Dihydropyridine Synthesis;95%
With ammonium acetate; sodium dodecyl-sulfate; toluene-4-sulfonic acid for 1h; Hantzsch reaction; ultrasonic irradiation;92%
With ammonium acetate at 75℃; for 3h; Hantzsch reaction; Neat (no solvent);92%
1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylenemethaneamine
126192-87-8

1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylenemethaneamine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In methanol for 36h; Heating;82.6%
1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylenemethaneamine
126192-87-8

1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylenemethaneamine

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In methanol; acetic acid82.6%
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In ethanol Heating;80%
With sodium tosylate In water for 0.3h; Time; Hantzsch Dihydropyridine Synthesis; Microwave irradiation; Reflux; Green chemistry;42%
1-(2'-nitrophenyl)-N,N'-bis-(2'-nitrophenyl) methylene methanediamine

1-(2'-nitrophenyl)-N,N'-bis-(2'-nitrophenyl) methylene methanediamine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In methanol; acetic acid78.5%
1-(2'-nitrophenyl)-N,N'-bis-(2'-nitrophenyl) methylene methanediamine

1-(2'-nitrophenyl)-N,N'-bis-(2'-nitrophenyl) methylene methanediamine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With ammonium hydroxide In methanol; acetic acid76%
methyl 3-aminocrotonate
21731-17-9

methyl 3-aminocrotonate

2-(o-nitro)phenyl-tetrahydro-(2H)-1,3-oxazine
124732-84-9

2-(o-nitro)phenyl-tetrahydro-(2H)-1,3-oxazine

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In acetonitrile; trifluoroacetic acid for 12h; Ambient temperature;75%
1-(2'-nitrophenyl)-N,N-bis-(2'-nitrophenyl)methylenemethanediamine
126192-88-9

1-(2'-nitrophenyl)-N,N-bis-(2'-nitrophenyl)methylenemethanediamine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In methanol for 46h;75%
1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylenemethaneamine
126192-87-8

1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylenemethaneamine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With ammonia In methanol; acetic acid74%
With ammonia In methanol71%
In methanol for 36h; Mechanism; Heating;
methyl 3-aminocrotonate
21731-17-9

methyl 3-aminocrotonate

2-(o-nitro)phenyl-4,4-dimethyloxazolidine
124732-83-8

2-(o-nitro)phenyl-4,4-dimethyloxazolidine

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In acetonitrile; trifluoroacetic acid for 10h; Ambient temperature;70%
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

A

dimethyl 4,6-dimethyl-2-(2-nitrophenyl)-1,2-dihydropyridine-3,5-dicarboxylate
108139-80-6

dimethyl 4,6-dimethyl-2-(2-nitrophenyl)-1,2-dihydropyridine-3,5-dicarboxylate

B

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With ammonia In methanol; water for 2h; Condensation; Hantzsch reaction; Heating;A n/a
B 68.1%
2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

C23H23NO2P(1+)*Cl(1-)

C23H23NO2P(1+)*Cl(1-)

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In dichloromethane at 40℃; for 5h; Cycloaddition; addition;65%
methyl 3-aminocrotonate
21731-17-9

methyl 3-aminocrotonate

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

A

nifedipine
21829-25-4

nifedipine

6-Methyl-2,4-bis-(2-nitrophenyl)-1,2,3,4-tetrahydropyrimidin-5-carbonsaeuremethylester
80742-11-6, 80742-13-8, 108139-78-2

6-Methyl-2,4-bis-(2-nitrophenyl)-1,2,3,4-tetrahydropyrimidin-5-carbonsaeuremethylester

Conditions
ConditionsYield
at 100℃; for 5h;A 13.2%
B 62%
ammonium hydroxide
1336-21-6

ammonium hydroxide

2-nitrobenzaldehyde diacetate

2-nitrobenzaldehyde diacetate

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
pyridine In methanol62%
2,4,6-tris(2-nitrophenyl)hexahydro-1,3,5-triazine
139445-58-2

2,4,6-tris(2-nitrophenyl)hexahydro-1,3,5-triazine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In methanol for 25h; Heating;60%
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

A

nifedipine
21829-25-4

nifedipine

6-Methyl-2,4-bis-(2-nitrophenyl)-1,2,3,4-tetrahydropyrimidin-5-carbonsaeuremethylester
80742-11-6, 80742-13-8, 108139-78-2

6-Methyl-2,4-bis-(2-nitrophenyl)-1,2,3,4-tetrahydropyrimidin-5-carbonsaeuremethylester

Conditions
ConditionsYield
With ammonium hydroxide In ethanol for 24h; Ambient temperature; Yields of byproduct given;A n/a
B 54.3%
methyl (E)-3-aminocrotonate
14205-39-1

methyl (E)-3-aminocrotonate

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With sodium butylmonoglycolsulphate In water for 0.0666667h; Heating; Irradiation; microwave irradiation;35%
(Z)-1-(2-Nitro-phenyl)-3-oxo-but-1-ene-2-sulfonic acid methylamide

(Z)-1-(2-Nitro-phenyl)-3-oxo-but-1-ene-2-sulfonic acid methylamide

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

A

nifedipine
21829-25-4

nifedipine

B

2,6-Dimethyl-5-methylsulfamoyl-4-(2-nitro-phenyl)-1,4-dihydro-pyridine-3-carboxylic acid methyl ester

2,6-Dimethyl-5-methylsulfamoyl-4-(2-nitro-phenyl)-1,4-dihydro-pyridine-3-carboxylic acid methyl ester

Conditions
ConditionsYield
In isopropyl alcohol for 24h; Heating;A 35%
B 16%
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

methyl 3-aminocrotonate

methyl 3-aminocrotonate

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In ethanol for 0.0666667h; Irradiation;32%
methyl 2-(2'-nitrobenzylidene)acetoacetate
39562-27-1

methyl 2-(2'-nitrobenzylidene)acetoacetate

3-Imino-butyric acid methyl ester; compound with acetic acid

3-Imino-butyric acid methyl ester; compound with acetic acid

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With sodium methylate In isopropyl alcohol Heating;
2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 88 percent / methanol
2: 70 percent / acetonitrile; trifluoroacetic acid / 10 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 93 percent / methanol
2: 75 percent / acetonitrile; trifluoroacetic acid / 12 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 98 percent / ammonium acetate / propan-2-ol / 1.) 40 deg C, 15 min, 2.) RT, 7 h
2: 75 percent / methanol / 46 h
View Scheme
ammonium hydroxide
1336-21-6

ammonium hydroxide

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
In methanol
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

A

nifedipine
67035-22-7

nifedipine

B

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With C20H20MoN4O5; ammonium acetate; dihydrogen peroxide In water at 40℃; for 4h; Reagent/catalyst; Hantzsch Pyridine Synthesis; Green chemistry;
methyl 2-(2'-nitrobenzylidene)acetoacetate
39562-27-1

methyl 2-(2'-nitrobenzylidene)acetoacetate

methyl 3-aminocrotonate
14205-39-1

methyl 3-aminocrotonate

nifedipine
21829-25-4

nifedipine

Conditions
ConditionsYield
With 2-Picolinic acid In methanol at 55℃; Reflux;
nifedipine
21829-25-4

nifedipine

dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
50428-14-3

dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With phosphate buffer In ethanol Irradiation;100%
With phosphate buffer In ethanol Rate constant; Irradiation; other reagent;100%
With ruthenium(II) tris(2,2'-bipyridine) hexafluorophosphate In acetic acid; acetonitrile at 15℃; Irradiation;92%
nifedipine
21829-25-4

nifedipine

5,6-Dihydro-2,4-dimethyl-5-oxo-3,6-diazaphenanthren-1-carbonsaeuremethylester

5,6-Dihydro-2,4-dimethyl-5-oxo-3,6-diazaphenanthren-1-carbonsaeuremethylester

Conditions
ConditionsYield
With GLUTATHIONE In ethanol; water Mechanism; Irradiation;100%
Multi-step reaction with 2 steps
1: 63 percent / argon / CH2Cl2 / 4 h / UV-irradiation
2: 24 percent / glutathione / ethanol; H2O / 0.5 h / 60 °C
View Scheme
Multi-step reaction with 2 steps
1: 100 percent / phosphate buffer / ethanol / Irradiation; other reagent
2: glutathione / ethanol; H2O / 1 h / 60 °C
View Scheme
nifedipine
21829-25-4

nifedipine

nifedipine
67035-22-7

nifedipine

Conditions
ConditionsYield
With tert.-butylhydroperoxide; iron(III)phthalocyanine chloride; acetic acid at 20℃; for 0.0833333h;96%
With potassium bromate; iron(III) chloride In water; acetonitrile for 0.583333h; Heating;95%
With iodine In acetonitrile for 0.666667h; ultrasound irradiation;94%
nifedipine
21829-25-4

nifedipine

dimethyl 2,6-bis(methyl-d3)-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
170930-45-7

dimethyl 2,6-bis(methyl-d3)-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With TFA-d; water-d2 In 1-methyl-pyrrolidin-2-one at 50℃; for 24h; Temperature; Reagent/catalyst; Schlenk technique; Inert atmosphere;96%
With water-d2; trifluoroacetic anhydride In chloroform-d1; [(2)H6]acetone at 57℃; for 168h;
nifedipine
21829-25-4

nifedipine

(2S,3R,4S,5S,6R)-2,6-Dimethyl-4-(2-nitro-phenyl)-piperidine-3,5-dicarboxylic acid dimethyl ester
99286-86-9

(2S,3R,4S,5S,6R)-2,6-Dimethyl-4-(2-nitro-phenyl)-piperidine-3,5-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
With triethylsilane; trifluoroacetic acid at 50℃; for 3h;94%
nifedipine
21829-25-4

nifedipine

A

dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
50428-14-3

dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate

B

nifedipine
67035-22-7

nifedipine

Conditions
ConditionsYield
In chloroform Product distribution; Mechanism; Irradiation; addition of sodium benzoate; different light conditions;A 94%
B 6%
In potassium bromide at 25℃; Rate constant; Irradiation; t0.1, t0.5;
With air In methanol Quantum yield; Further Variations:; Solvents; Reagents; Irradiation;
In water UV-irradiation;
nifedipine
21829-25-4

nifedipine

2,6-Dimethyl-4-(2-nitrosophenyl)-3,5-pyridinedicarboxylic acid dimethyl estter
50428-14-3

2,6-Dimethyl-4-(2-nitrosophenyl)-3,5-pyridinedicarboxylic acid dimethyl estter

Conditions
ConditionsYield
In acetonitrile for 0.5h; Photolysis; Capped tube;94%
isonicotinamide
1453-82-3

isonicotinamide

nifedipine
21829-25-4

nifedipine

C17H18N2O6*C6H6N2O

C17H18N2O6*C6H6N2O

Conditions
ConditionsYield
at 20℃; for 48h; Saturated solution;85.3%
nifedipine
21829-25-4

nifedipine

A

dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
50428-14-3

dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate

B

dimer of 2,6-dimethyl-3,5-di(carbomethoxy)-4-(2'-nitrosophenyl)pyridine
142271-31-6

dimer of 2,6-dimethyl-3,5-di(carbomethoxy)-4-(2'-nitrosophenyl)pyridine

Conditions
ConditionsYield
In methanol for 0.75h; Irradiation;A 85%
B 4%
pyridine-2-carboxylic acid amide
1452-77-3

pyridine-2-carboxylic acid amide

nifedipine
21829-25-4

nifedipine

C6H6N2O*C17H18N2O6

C6H6N2O*C17H18N2O6

Conditions
ConditionsYield
at 20℃; for 48h; Saturated solution;79.5%
nifedipine
21829-25-4

nifedipine

methyl iodide
74-88-4

methyl iodide

dimethyl 1,2,6-trimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
30131-45-4

dimethyl 1,2,6-trimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
Stage #1: nifedipine; methyl iodide With sodium hydride In N,N-dimethyl-formamide; mineral oil for 0.166667h;
Stage #2: With potassium carbonate In N,N-dimethyl-formamide; mineral oil for 0.5h;
76%
C24H28ClNO6
1373769-20-0

C24H28ClNO6

nifedipine
21829-25-4

nifedipine

C41H45N3O12

C41H45N3O12

Conditions
ConditionsYield
With triethylamine In toluene for 0.5h; Reflux;75%
C22H26ClNO7
1373769-21-1

C22H26ClNO7

nifedipine
21829-25-4

nifedipine

C39H43N3O13
1338057-05-8

C39H43N3O13

Conditions
ConditionsYield
With triethylamine In toluene for 0.5h; Reflux;75%
C24H30ClNO6S
1373769-16-4

C24H30ClNO6S

nifedipine
21829-25-4

nifedipine

C41H47N3O12S
1338056-98-6

C41H47N3O12S

Conditions
ConditionsYield
With triethylamine In toluene for 0.5h; Reflux;72%
C21H24ClNO6
1373769-10-8

C21H24ClNO6

nifedipine
21829-25-4

nifedipine

C38H41N3O12
1338056-89-5

C38H41N3O12

Conditions
ConditionsYield
With triethylamine In toluene for 0.5h; Reflux;71%
C24H30ClNO6
1373769-14-2

C24H30ClNO6

nifedipine
21829-25-4

nifedipine

C41H47N3O12
1338056-92-0

C41H47N3O12

Conditions
ConditionsYield
With triethylamine In toluene for 0.5h; Reflux;69%
C25H33ClN4O6
1373769-15-3

C25H33ClN4O6

nifedipine
21829-25-4

nifedipine

C42H50N6O12
1338056-95-3

C42H50N6O12

Conditions
ConditionsYield
With triethylamine In toluene for 0.5h; Reflux;68%
nifedipine
21829-25-4

nifedipine

(2R,3S,4R)-2,6-Dimethyl-4-(2-nitro-phenyl)-1,2,3,4-tetrahydro-pyridine-3,5-dicarboxylic acid dimethyl ester
99286-81-4

(2R,3S,4R)-2,6-Dimethyl-4-(2-nitro-phenyl)-1,2,3,4-tetrahydro-pyridine-3,5-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
With triethylsilane; trifluoroacetic acid for 0.5h; Ambient temperature;66%
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