2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

Base Information

Chemical Name:2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester
CAS No.:74655-19-9
Molecular Formula:C₂₁H₂₁N₃O₈
Molecular Weight:443.413
Hs Code.:

Synonyms:2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

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Chemical Property of 2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

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Technology Process of 2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

There total 4 articles about 2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 54527-68-3
2-chloroethyl acetoacetate

: 74655-19-9
2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 35.64 g / piperidine, AcOH / benzene / 9.5 h / Heating

2: 42.8 percent / 3 h / 100 °C

3: 68.5 percent / aq. K₂CO₃ / ethanol / 2 h / Heating

4: 96.7 percent / aq. HCl / acetone / 1.5 h / Ambient temperature

5: 1.) NH₂OH*H₂O, AcONa / 1.) AcOH, RT, 0.5 h, 2.) a) RT, 0.5 h, b) reflux, 1 h

With piperidine; hydrogenchloride; hydroxylamine; sodium acetate; potassium carbonate; acetic acid; In ethanol; acetone; benzene;
DOI:10.1248/cpb.40.912

Reference yield:

: 62760-11-6
2-chloroethyl 2-diethoxymethyl-3-ethoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate

: 74655-19-9
2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 68.5 percent / aq. K₂CO₃ / ethanol / 2 h / Heating

2: 96.7 percent / aq. HCl / acetone / 1.5 h / Ambient temperature

3: 1.) NH₂OH*H₂O, AcONa / 1.) AcOH, RT, 0.5 h, 2.) a) RT, 0.5 h, b) reflux, 1 h

With hydrogenchloride; hydroxylamine; sodium acetate; potassium carbonate; In ethanol; acetone;
DOI:10.1248/cpb.40.912

Reference yield:

: 62760-16-1
2-hydroxyethyl 2-diethoxymethyl-3-ethoxycarbonyl-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-5-carboxylate

: 74655-19-9
2-Cyano-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-(2-acetoxy-ethyl) ester 3-ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 96.7 percent / aq. HCl / acetone / 1.5 h / Ambient temperature

2: 1.) NH₂OH*H₂O, AcONa / 1.) AcOH, RT, 0.5 h, 2.) a) RT, 0.5 h, b) reflux, 1 h

With hydrogenchloride; hydroxylamine; sodium acetate; In acetone;
DOI:10.1248/cpb.40.912