HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
3,4,5-Trimethoxybenzaldehyde → 2-Methyl-4-(3',4',5'-trimethoxyphenyl)-1,4-dihydropyridine-3,5,6-tricarboxylic acid triethyl ester
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 3,4,5-Trimethoxybenzaldehyde | HCID 6858 | — |
| Edukt | Diethyl oxalacetate | HCID 66951 | — |
| Edukt | 2-Butenoic acid, 3-amino-, ethyl ester, (2Z)- | HCID 643756 | — |
| Lösungsmittel | Ethanol | HCID 702 | — |
| Produkt | 2-Methyl-4-(3',4',5'-trimethoxyphenyl)-1,4-dihydropyridine-3,5,6-tricarboxylic acid triethyl ester | HCID 68133689 | — |
Reaktionsschritte
11.8 g of 3,4,5-trimethoxybenzaldehyde, 14 g of oxalacetic acid diethyl ester and 7.8 g of β-aminocrotonic acid ethyl ester in 30 ccs of ethanol are heated to the boil overnight and light yellow crystals of melting point 134° are obtained.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US03943140 |
| Quelldatensatz | uspto-grants-1976_03 |
| ORD ID | ord-4c15e6d48f364914a68830594d11f9cc |
| Quellennotiz | uspto-grants-1976_03 |