3-Nitrobenzaldehyde → HCID 19871235, compound

HRID 329879Notes

Reaction equation

HRID 329879 reaction equation
[N+:1]([C:4]1[CH:5]=[C:6]([CH:9]=[CH:10][CH:11]=1)[CH:7]=O)([O-:3])=[O:2].[C:12]([O:18][CH2:19][CH2:20][N:21]1[CH2:26][CH2:25][N:24]([C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([Cl:33])[C:28]=2[Cl:34])[CH2:23][CH2:22]1)(=[O:17])[CH2:13][C:14]([CH3:16])=O.[NH2:35]/[C:36](/[CH3:42])=[CH:37]\[C:38]([O:40][CH3:41])=[O:39]>C(O)(C)C>[CH3:16][C:14]1[NH:35][C:36]([CH3:42])=[C:37]([C:38]([O:40][CH3:41])=[O:39])[CH:7]([C:6]2[CH:9]=[CH:10][CH:11]=[C:4]([N+:1]([O-:3])=[O:2])[CH:5]=2)[C:13]=1[C:12]([O:18][CH2:19][CH2:20][N:21]1[CH2:26][CH2:25][N:24]([C:27]2[CH:32]=[CH:31][CH:30]=[C:29]([Cl:33])[C:28]=2[Cl:34])[CH2:23][CH2:22]1)=[O:17]

Participants

5

Reactant 3

HCID 74493-NitrobenzaldehydeHCID 643918Methyl 3-aminocrotonateHCID 198712452-[4-(2,3-Dichlorophenyl)piperazin-1-yl]ethyl 3-oxobutanoate

Product 1

HCID 19871235HCID 19871235, compoundYield 75.7%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Procedure

A mixture of m-nitrobenzaldehyde, 2-[4-(2,3-dichlorophenyl)-1-piperazinyl]ethyl acetoacetate and methyl 3-aminocrotonate was worked up in isopropyl alcohol in the same manner as Example 1 to give 2-[4-(2,3-dichlorophenyl)-1-piperazinyl]ethyl methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate as yellow crystals, m.p. 189°-190° C. Yield 75.7%.

Sources & evidence

ORD record
ord-e2d8ed27e7384510b90f6a1317ce7d0d
Source dataset
uspto-grants-1990_01
Patent number
US04892875

Reaction notes

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