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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Nilvadipine Manufacturer/High quality/Best price/In stock

Cas:75530-68-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Nilvadipine supplier in China

Cas:75530-68-6

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

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

Nilvadipine

Cas:75530-68-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM-- 75530-68-6--High purity Nilvadipine in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business r

TIANFUCHEM-- 75530-68-6--High purity Nilvadipine in stock

Cas:75530-68-6

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Nilvadipine

Cas:75530-68-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

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

Pharmaceutical Grade CAS 75530-68-6 with competitive price

Cas:75530-68-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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 We can also provide MT1 peptide powd

Nilvadipine

Cas:75530-68-6

Min.Order:1 Kilogram

FOB Price: $40.0 / 45.0

Type:Trading Company

inquiry

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

Qingdao Beluga Import and Export Co., LTD

Nilvadipine CAS:75530-68-6 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

Nilvadipine CAS:75530-68-6

Cas:75530-68-6

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

Nilvadipine

Cas:75530-68-6

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

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

NILVADIPINE

Cas:75530-68-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 nilvadipine

Cas:75530-68-6

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

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

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 Nilvadipine

Cas:75530-68-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

supplier in China Appearance:yellow prisms Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application: Used as an antihypertensive and antianginal Trans

Nilvadipine

Cas:75530-68-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

Nilvadipine

Cas:75530-68-6

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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,

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:Active Pharmaceutical I

Nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Nilvadipine cas no. 75530-68-6 98%

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

Nilvadipine

Cas:75530-68-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) 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 . Application:API

99% up by HPLC Nilvadipine 75530-68-6

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Nilvadipine Nilvadipine /75530-68-6/C19H19N3O6 Inhibitors;Intermediates & Fine Chemicals;Pharmaceuticals Application:75530-68-6

Nilvadipine 75530-68-6

Cas:75530-68-6

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

Nilvadipine

Cas:75530-68-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

isopropyl 2-hydroxyiminomethyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate
1452166-70-9

isopropyl 2-hydroxyiminomethyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
With acetic anhydride; potassium carbonate In dimethyl sulfoxide at 10 - 50℃; for 5h;85.1%
sodium 2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate

sodium 2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate

A

nilvadipine
75530-68-6

nilvadipine

B

isopropyl 2-carbamoyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1, 4-dihydropyridine-5-carboxylate
145220-80-0

isopropyl 2-carbamoyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1, 4-dihydropyridine-5-carboxylate

Conditions
ConditionsYield
With hydrogenchloride 1.) AcOEt, 2.) AcOEt, ether; Yield given. Multistep reaction. Yields of byproduct given;
isopropyl 2-formyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate
75530-60-8

isopropyl 2-formyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate; acetic anhydride 1.) AcOH, RT, 2.5 h, 2.) AcOH, a) RT, 1.5 h, b) 95 deg C - 100 deg C, 4 h; Yield given. Multistep reaction;
Multi-step reaction with 2 steps
1: hydroxylamine hydrochloride; sodium acetate / water; methanol / 4 h / 20 °C
2: acetic anhydride; potassium carbonate / dimethyl sulfoxide / 5 h / 10 - 50 °C
View Scheme
3-oxo-2-(3-nitrophenylmethylene)butanoic acid isopropyl ester
39562-25-9

3-oxo-2-(3-nitrophenylmethylene)butanoic acid isopropyl ester

4-Amino-3-imino-butyric acid methyl ester; compound with acetic acid

4-Amino-3-imino-butyric acid methyl ester; compound with acetic acid

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
With sodium methylate In isopropyl alcohol Heating;
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 65 percent / piperidinium acetate / propan-2-ol / 10 h / 45 - 55 °C
2: sodium methoxide / propan-2-ol / Heating
View Scheme
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 65 percent / piperidinium acetate / propan-2-ol / 10 h / 45 - 55 °C
2: sodium methoxide / propan-2-ol / Heating
View Scheme
4,4-dimethoxy-3-oxo-butyric acid methyl ester
60705-25-1

4,4-dimethoxy-3-oxo-butyric acid methyl ester

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: piperidine / benzene / 3 h / Heating
2: 51.1 percent / 8.5 h / 95 - 120 °C
3: 95.4 percent / 6 N aq. HCl / acetone / 1 h / Ambient temperature
4: 1.) NH2OH*HCl, NaOAc, 2.) Ac2O / 1.) AcOH, RT, 2.5 h, 2.) AcOH, a) RT, 1.5 h, b) 95 deg C - 100 deg C, 4 h
View Scheme
isopropyl 3-aminocrotonate
14205-46-0

isopropyl 3-aminocrotonate

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 51.1 percent / 8.5 h / 95 - 120 °C
2: 95.4 percent / 6 N aq. HCl / acetone / 1 h / Ambient temperature
3: 1.) NH2OH*HCl, NaOAc, 2.) Ac2O / 1.) AcOH, RT, 2.5 h, 2.) AcOH, a) RT, 1.5 h, b) 95 deg C - 100 deg C, 4 h
View Scheme
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

platinum black

platinum black

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: piperidine / benzene / 3 h / Heating
2: 51.1 percent / 8.5 h / 95 - 120 °C
3: 95.4 percent / 6 N aq. HCl / acetone / 1 h / Ambient temperature
4: 1.) NH2OH*HCl, NaOAc, 2.) Ac2O / 1.) AcOH, RT, 2.5 h, 2.) AcOH, a) RT, 1.5 h, b) 95 deg C - 100 deg C, 4 h
View Scheme
(E,Z)-methyl 4,4-dimethoxy-2-(3-nitrobenzylidene)acetoacetate
67448-15-1

(E,Z)-methyl 4,4-dimethoxy-2-(3-nitrobenzylidene)acetoacetate

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 51.1 percent / 8.5 h / 95 - 120 °C
2: 95.4 percent / 6 N aq. HCl / acetone / 1 h / Ambient temperature
3: 1.) NH2OH*HCl, NaOAc, 2.) Ac2O / 1.) AcOH, RT, 2.5 h, 2.) AcOH, a) RT, 1.5 h, b) 95 deg C - 100 deg C, 4 h
View Scheme
isopropyl 2-dimethoxymethyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate
75530-94-8

isopropyl 2-dimethoxymethyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95.4 percent / 6 N aq. HCl / acetone / 1 h / Ambient temperature
2: 1.) NH2OH*HCl, NaOAc, 2.) Ac2O / 1.) AcOH, RT, 2.5 h, 2.) AcOH, a) RT, 1.5 h, b) 95 deg C - 100 deg C, 4 h
View Scheme
2-cyano-1,4-dihydro-3-methoxycarbonyl-6-methyl-4-m-nitrophenylpyridine-5-carboxylic acid
113201-61-9

2-cyano-1,4-dihydro-3-methoxycarbonyl-6-methyl-4-m-nitrophenylpyridine-5-carboxylic acid

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
With phosphorus pentachloride
With phosphorus pentachloride
sodium carbonate
497-19-8

sodium carbonate

2-cyano-1,4-dihydro-3-methoxycarbonyl-6-methyl-4-m-nitrophenylpyridine-5-carboxylic acid
113201-61-9

2-cyano-1,4-dihydro-3-methoxycarbonyl-6-methyl-4-m-nitrophenylpyridine-5-carboxylic acid

nilvadipine
75530-68-6

nilvadipine

Conditions
ConditionsYield
With phosphorus pentachloride In dichloromethane; ethyl acetate; benzene
nilvadipine
75530-68-6

nilvadipine

isopropyl 2-cyano-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-5-carboxylate
99935-62-3

isopropyl 2-cyano-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-5-carboxylate

Conditions
ConditionsYield
With nitric acid; acetic acid for 3h; Ambient temperature;93.8%
nilvadipine
75530-68-6

nilvadipine

isopropyl 2-carbamoyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1, 4-dihydropyridine-5-carboxylate
145220-80-0

isopropyl 2-carbamoyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1, 4-dihydropyridine-5-carboxylate

Conditions
ConditionsYield
With sulfuric acid for 0.166667h;87.9%
nilvadipine
75530-68-6

nilvadipine

2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid

2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid

Conditions
ConditionsYield
With lithium iodide In pyridine for 6h; Heating;
d(4)-methanol
811-98-3

d(4)-methanol

nilvadipine
75530-68-6

nilvadipine

trideuteriomethyl 2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate

trideuteriomethyl 2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate

Conditions
ConditionsYield
With pyridine; 2-bromo-1-methyl-pyridinium iodide; N,N-dimethyl-aniline; lithium iodide 1.) 110 deg C, 8 h, 2.) DMF, RT, 7.5 h; Yield given. Multistep reaction;
nilvadipine
75530-68-6

nilvadipine

methyl 2-cyano-4-(3-nitrophenyl)-5-oxo-5,7-dihydrofuro<3,4-b>pyridine-3-carboxylate
145220-88-8

methyl 2-cyano-4-(3-nitrophenyl)-5-oxo-5,7-dihydrofuro<3,4-b>pyridine-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
3: 91.8 percent / p-TsOH / 1 h / Heating
4: 60.5 percent / p-TsOH / methanol / 15.5 h / Heating
View Scheme
nilvadipine
75530-68-6

nilvadipine

2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-3-carboxylic acid

2-cyano-5-isopropoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-3-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: LiI / pyridine / 5 h / Heating
View Scheme
nilvadipine
75530-68-6

nilvadipine

isopropyl 2-carbamoyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-5-carboxylate

isopropyl 2-carbamoyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-5-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 87.9 percent / 80percent aq. H2SO4 / 0.17 h
2: 79.8 percent / MnO2 / CHCl3 / 5 h / Ambient temperature
View Scheme
nilvadipine
75530-68-6

nilvadipine

2-cyano-5-isopropoxycarbonyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-N-oxide
145220-89-9

2-cyano-5-isopropoxycarbonyl-3-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)pyridine-N-oxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
View Scheme
nilvadipine
75530-68-6

nilvadipine

isopropyl 6-acetoxymethyl-2-cyano-3-methoxycarbonyl-4-(3-nitrophenyl)pyridine-5-carboxylate
145220-90-2

isopropyl 6-acetoxymethyl-2-cyano-3-methoxycarbonyl-4-(3-nitrophenyl)pyridine-5-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
3: 91.8 percent / p-TsOH / 1 h / Heating
View Scheme
nilvadipine
75530-68-6

nilvadipine

lithium 2-cyano-4-(3-nitrophenyl)-5-oxo-5,7-dihydrofuro<3,4-b>pyridine-3-carboxylate

lithium 2-cyano-4-(3-nitrophenyl)-5-oxo-5,7-dihydrofuro<3,4-b>pyridine-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
3: 91.8 percent / p-TsOH / 1 h / Heating
4: 60.5 percent / p-TsOH / methanol / 15.5 h / Heating
5: 38.2 percent / LiI / pyridine / 2.5 h / 100 °C
View Scheme
Multi-step reaction with 5 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
3: 91.8 percent / p-TsOH / 1 h / Heating
4: 86.4 percent / LiI / pyridine / 3 h / 100 °C
5: 13.7 percent / LiOH*H2O / methanol / 3 h / Heating
View Scheme
nilvadipine
75530-68-6

nilvadipine

sodium 2-cyano-6-hydroxymethyl-3-methoxycarbonyl-4-(3-nitrophenyl)pyridine-5-carboxylate

sodium 2-cyano-6-hydroxymethyl-3-methoxycarbonyl-4-(3-nitrophenyl)pyridine-5-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
3: 91.8 percent / p-TsOH / 1 h / Heating
4: 60.5 percent / p-TsOH / methanol / 15.5 h / Heating
5: 74.6 percent / aq. NaHCO3 / methanol / 11 h / Heating
View Scheme
nilvadipine
75530-68-6

nilvadipine

lithium 6-acetoxymethyl-2-cyano-5-isopropoxycarbonyl-4-(3-nitrophenyl)pyridine-3-carboxylate

lithium 6-acetoxymethyl-2-cyano-5-isopropoxycarbonyl-4-(3-nitrophenyl)pyridine-3-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 93.8 percent / aq. HNO3, AcOH / 3 h / Ambient temperature
2: 58.9 percent / 30percent aq. H2O2, AcOH / 312 h / 70 °C
3: 91.8 percent / p-TsOH / 1 h / Heating
4: 86.4 percent / LiI / pyridine / 3 h / 100 °C
View Scheme

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