HCID 46888274, compound → HCID 71322013, compound
Reaction equation
[CH2:1]([O:3][C:4]([C:6]1C(C2C=CC=C([N+]([O-])=O)C=2)C(C(OC)=O)=C(C)[NH:10][C:11]=1[CH2:12][CH3:13])=[O:5])[CH3:2]>C(O)C>[CH2:1]([O:3][C:4](=[O:5])[CH:6]=[C:11]([CH2:12][CH3:13])[NH2:10])[CH3:2]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
After 8 hours' boiling of a solution of 12.5 g 3'-nitrobenzylidene-acetoacetic acid methyl ester and 7.2 g β-ethyl-β-aminoacrylic acid ethyl ester in 70 ml ethanol, 2-methyl-6-ethyl-4-(3'-nitrophenyl) 1,4-dihydropyridine-3,5-dicarboxylic acid 3-methyl ester 5-ethyl ester of melting point 123°C (acetic ester/petroleum) was obtained. Yield 71% of theory.
Sources & evidence
- ORD record
- ord-4113dd4314d2450e8d70f9936635161d
- Source dataset
- uspto-grants-1976_01
- Patent number
- US03932645
Reaction notes
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