HCID 68121964, compound → HCID 70596764, compound

HRID 442161Notes

Reaction equation

HRID 442161 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:30]=[CH:31][C:32]=1[Cl:33])[CH2:5][O:6][C:7]([C:9]1C(C2C=CC=C([N+]([O-])=O)C=2)C(C(OC)=O)=C(C)[NH:13][C:14]=1[CH3:15])=[O:8]>C(O)C>[Cl:1][C:2]1[CH:3]=[C:4]([CH:30]=[CH:31][C:32]=1[Cl:33])[CH2:5][O:6][C:7](=[O:8])/[CH:9]=[C:14](\[NH2:13])/[CH3:15]

Participants

3

Reactant 1

HCID 68121964HCID 68121964, compound

Product 1

HCID 70596764HCID 70596764, compoundYield 75%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent2×

Procedure

Analogously to Example 1 heating a solution of 75 mmols of 3'-nitrobenzylideneacetoacetic acid methyl ester and 75 mmols of β-aminocrotonic acid 3,4-dichlorobenzyl ester in 120 ml of ethanol gave 2,6-dimethyl-3-methoxycarbonyl-4-(3'-nitrophenyl)-1,4-dihydropyridine-5-carboxylic acid 3,4-dichlorobenzyl ester of melting point 149° C (from ethanol).

Sources & evidence

ORD record
ord-7c34d3f2cfc24521882f0f85a838f423
Source dataset
uspto-grants-1977_08
Patent number
US04044141

Reaction notes

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