HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
beta-Aminobeta-ethoxyacrylic acid ethyl ester → 3-Amino-1-(4-bromobenzyl)-pyrazol-5one
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | beta-Aminobeta-ethoxyacrylic acid ethyl ester | HCID 278451 | — |
| Edukt | 4-Bromobenzylhydrazine | HCID 16773111 | — |
| Produkt | 3-Amino-1-(4-bromobenzyl)-pyrazol-5one | HCID 20367211 | — |
Reaktionsschritte
17.5 g of β-amino-β-ethoxyacrylic acid ethyl ester and 20 g of 4-bromobenzylhydrazine, on stirring for 5 hours in alcohol at 50° and working up as described in Example 1, yield 15.6 g of the compound identified above, corresponding to 58% of theory, as colorless crystals of melting point 139°.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04061653 |
| Quelldatensatz | uspto-grants-1977_12 |
| ORD ID | ord-7617fdb2feb2455a876567bff8e06cc3 |
| Quellennotiz | uspto-grants-1977_12 |