HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Nitrobenzaldehyde → HCID 19871235, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Nitrobenzaldehyde | HCID 7449 | — |
| Reactant | Methyl 3-aminocrotonate | HCID 643918 | — |
| Reactant | 2-[4-(2,3-Dichlorophenyl)piperazin-1-yl]ethyl 3-oxobutanoate | HCID 19871245 | — |
| Solvent | Isopropanol | HCID 3776 | — |
| Product | HCID 19871235 | HCID 19871235 | 75.7% |
Reaction Steps
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%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04892875 |
| Source dataset | uspto-grants-1990_01 |
| ORD ID | ord-e2d8ed27e7384510b90f6a1317ce7d0d |
| Source note | uspto-grants-1990_01 |