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
As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryUnique advantages of Nitrendipine Cas 39562-70-4 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Yellow crystalline powder Storage:Cool dry place Package:100g,1kg/foil bag
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inquirySpecifications 1.Clean, Nitrendipine/ 39562-70-4 2.yellow crystalline powder 3.Best price,Excellent quality 4.Quick shipping,MOQ Appearance: powder Storage:dry environment Package:25kg/drum or as your needs Application:Blood System
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Ethyl methyl 1,4-dihydro-2,6-dimethyl-4-(meta-nitrophenyl)-3,5-pyridinedicarboxylate Basic information Product Name: Ethyl methyl 1,4-dihydro-2,6-dimethyl-4-(meta-nitrophenyl)-3,5-pyridinedicarboxylate
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Min.Order:1 Gram
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inquiryWith 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
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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
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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
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)
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Nitrendipine CAS 39562-70-4 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2
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inquiryNitrendipine CAS 39562-70-4 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control sys
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Type:Lab/Research institutions
inquiryHigh quality NitrendipineAppearance:yellow crystal or crystalline powder Storage:Kept in a cool, dry and ventilated place Package:according to customers' requirements Application:nootropics material Transportation:By air(EMS or EUB or FedEx or TNT ec
ethyl acetoacetate
3-nitro-benzaldehyde
methyl 3-aminocrotonate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With sodium tosylate In water for 0.4h; Reagent/catalyst; Time; Hantzsch Dihydropyridine Synthesis; Microwave irradiation; Reflux; Green chemistry; | 94% |
With C21H38N(1+)*Mo11O40PV(4-)*3H(1+) In ethanol at 78℃; for 8h; Catalytic behavior; Hantzsch Pyridine Synthesis; Green chemistry; | 78% |
Hantzsch Dihydropyridine Synthesis; Darkness; Reflux; | 59% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 25℃; | 92% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 25℃; for 24h; | 92% |
Multi-step reaction with 3 steps 1: 67 percent / KOH / tetrahydrofuran / 24 h / 25 °C 2: 93 percent / acetone / Heating 3: 92 percent / KOH / ethanol / 25 °C View Scheme |
methanol
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With sodium methylate for 16h; Reflux; | 92% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 25℃; | 91% |
Multi-step reaction with 3 steps 1: 32 percent / KOH / tetrahydrofuran / 25 °C 2: 93 percent / acetone / Heating 3: 92 percent / KOH / ethanol / 25 °C View Scheme |
methyl (Z)-2-(3-nitrobenzylidene)-3-oxobutanoate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
In isopropyl alcohol for 10h; Heating / reflux; | 89% |
methyl 2-(3-nitrophenylmethylene)acetoacetate
ethyl aminocrotonate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
In ethanol for 6h; Reflux; | 86% |
at 90℃; for 0.15h; Microwave irradiation; |
methyl 3-aminocrotonate
ethyl 2-[(3-Nitrophenyl)methylene]-3-oxobutanoate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Stage #1: methyl 3-aminocrotonate; ethyl 2-[(3-Nitrophenyl)methylene]-3-oxobutanoate In ethanol at 75 - 80℃; for 1h; Stage #2: With acetic anhydride In ethanol at 75 - 80℃; for 1h; Solvent; | 86% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 25℃; | 85% |
Multi-step reaction with 3 steps 1: 26 percent / KOH / tetrahydrofuran / 25 °C 2: 93 percent / acetone / Heating 3: 92 percent / KOH / ethanol / 25 °C View Scheme |
ethyl 2-(3-nitrophenylmethylene)-3-oxobutanoate
methyl 3-aminocrotonate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Stage #1: ethyl 2-(3-nitrophenylmethylene)-3-oxobutanoate; methyl 3-aminocrotonate In ethanol at 70 - 75℃; for 1h; Stage #2: With hydrogenchloride In ethanol; water at 70 - 75℃; | 80% |
In ethanol for 8h; Heating; | 79% |
With acetic acid; N-ethyl-N,N-diisopropylamine In ethanol Reflux; |
ethyl (Z)-2-(3-nitrobenzylidene)-3-oxobutanoate
1,1,1-Triphenyl-3-methyl-4-(methoxycarbonyl)-2-aza-1λ5-phosphabuta-1,3-diene
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
In chloroform at 25℃; for 0.5h; | 77% |
ethyl acetoacetate
3-nitro-benzaldehyde
methyl (E)-3-aminocrotonate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With sodium butylmonoglycolsulphate In water for 0.0833333h; Heating; Irradiation; microwave irradiation; | 72% |
3'-nitrobenzylideneacetoacetic acid ethyl ester
methyl 3-aminocrotonate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
In ethanol | 67% |
ethyl acetoacetate
3-nitro-benzaldehyde
acetoacetic acid methyl ester
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With aluminum oxide; ammonia In methanol Hantzsch pyridine synthesis; Heating; | 50% |
With pyridine; 4 A molecular sieve; polysterene-based acid-cleavable Rink amine resin; trifluoroacetic acid 1) CH2Cl2, rt, 3 d; 2) 45 deg C, 24 h; 3) CH2Cl2, 45 min;; Yield given. Multistep reaction; |
methyl (Z)-2-(3-nitrobenzylidene)-3-oxobutanoate
ethyl acetoacetate
A
m-nifedipine
B
2,6-dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
C
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With ammonium hydroxide In ethanol for 24h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
ethyl acetoacetate
3-nitro-benzaldehyde
methyl (E)-3-aminocrotonate
A
m-nifedipine
B
2,6-dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
C
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
In ethanol for 10h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
3-nitro-benzaldehyde
ethyl (E)-3-aminobut-2-enoate
acetoacetic acid methyl ester
A
m-nifedipine
B
2,6-dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
C
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
In ethanol for 10h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
ethyl (Z)-2-(3-nitrobenzylidene)-3-oxobutanoate
acetoacetic acid methyl ester
A
m-nifedipine
B
2,6-dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
C
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With ammonium hydroxide In ethanol for 24h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Nicardipine
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / acetone / Heating 2: 92 percent / KOH / ethanol / 25 °C View Scheme |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 93 percent / CHCl3 / Heating 2: 67 percent / KOH / tetrahydrofuran / 24 h / 25 °C 3: 93 percent / acetone / Heating 4: 92 percent / KOH / ethanol / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1: 93 percent / CHCl3 / Heating 2: 92 percent / KOH / ethanol / 24 h / 25 °C View Scheme | |
Multi-step reaction with 4 steps 1: 95 percent / CHCl3 / Heating 2: 26 percent / KOH / tetrahydrofuran / 25 °C 3: 93 percent / acetone / Heating 4: 92 percent / KOH / ethanol / 25 °C View Scheme |
3-nitro-benzaldehyde
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: gaseous HCl / toluene / 40 h / Ambient temperature 2: 79 percent / ethanol / 8 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: piperidine; acetic acid / 30 °C / Neat (no solvent) 2: ethanol / 6 h / Reflux View Scheme |
acetoacetic acid methyl ester
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: gaseous NH3, p-toluenesulfonic acid / toluene / Heating 2: 79 percent / ethanol / 8 h / Heating View Scheme |
(+)-2-methylthiomethyl-6-methyl-5-carbomethoxy-3-carboethoxy-4-(3-nitrophenyl)-1,4-dihydropyridine
methyl iodide
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With sodium borohydrid In N,N-dimethyl-formamide |
2,3-dimethyl-2,3-diaminobutane
ethyl 2-[(3-Nitrophenyl)methylene]-3-oxobutanoate
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With n-butyllithium; ammonium chloride In tetrahydrofuran; methanol; hexane; dichloromethane |
acetoacetic acid methyl ester
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: piperidine; acetic acid / 30 °C / Neat (no solvent) 2: ethanol / 6 h / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: ammonia / ethanol / 4 h / 2 - 20 °C 2: acetic acid; N-ethyl-N,N-diisopropylamine / ethanol / Reflux View Scheme |
3-nitro-benzaldehyde
acetoacetic acid methyl ester
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: alumina / neat (no solvent) / 120 °C / Microwave irradiation; Green chemistry 2: 0.15 h / 90 °C / Microwave irradiation View Scheme |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
(+/-)-Oxidized Nitrendipine
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In water; acetone for 0.166667h; Ambient temperature; | 100% |
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; iron(III) chloride hexahydrate; oxygen; sodium nitrite In acetic acid; acetonitrile at 20℃; for 0.75h; | 97% |
With lead(IV) acetate In dichloromethane; acetic acid at 20℃; for 1.25h; | 96% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
methyl iodide
N-methylnitrendipine
Conditions | Yield |
---|---|
95% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
phenylboronic acid
Conditions | Yield |
---|---|
With potassium pyrosulfite; tetrabutyl-ammonium chloride; potassium carbonate In acetonitrile at 130℃; for 24h; Sealed tube; | 61% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite In water at 37℃; for 6h; pH=3 - 3.5; | 44% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
allyl bromide
Conditions | Yield |
---|---|
22% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
propargyl bromide
Conditions | Yield |
---|---|
22% |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
ethyl iodide
Conditions | Yield |
---|---|
21% |
benzyl chloride
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
16% |
1H-imidazole
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
1,4-dihydro-2,6-bis(1H-imidazol-1-ylmethyl)-4-(3-nitrophenyl)pyridine-3,5-dicarboxylic acid ethyl methyl diester
Conditions | Yield |
---|---|
With phenyltrimethylammonium tribromide 1.) MeCN, below 10 deg C, 0.75 h, 2.) below 30 deg C, 2 h; Yield given. Multistep reaction; |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
A
SL 5721
B
5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid
C
methyl 2-methyl-4-(3-nitrophenyl)-5-oxo-5,7-dihydro-furo<3,4-b>pyridine-3-carboxylate
D
ethyl-2-methyl-4-(3-nitrophenyl)-5-oxo-5,7-dihydrofuro<3,4-b>3-pyridinecarboxylate
E
(R)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-((2S,3R,4S,5S,6S)-6-carboxy-3,4,5-trihydroxy-tetrahydro-pyran-2-yl) ester 5-methyl ester
F
(S)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-((2S,3R,4S,5S,6S)-6-carboxy-3,4,5-trihydroxy-tetrahydro-pyran-2-yl) ester 5-methyl ester
Conditions | Yield |
---|---|
biotransformation in rat, dog, and mouse (in vivo and in vitro); |
1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridine-dicarboxylic acid ethyl methyl ester
Conditions | Yield |
---|---|
With nitric acid for 4h; Heating; |
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