HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
4-Chlorobenzylpiperazine → 2-(4'-p-Chlorobenzyl-piperazino)-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 4-Chlorobenzylpiperazine | HCID 134826 | — |
| Edukt | 2-Chloro-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydropyrido(2,3-d)pyrimidine | HCID 12266805 | — |
| Produkt | 2-(4'-p-Chlorobenzyl-piperazino)-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine | HCID 12266809 | 74% |
Reaktionsschritte
Condensation of 1-p-chlorobenzyl-piperazine with 2-chloro-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido-(2,3-d)pyrimidine, as described in Example VII, gives, in a yield of 74%, 2-(4'-p-chlorobenzyl-piperazino)-5-oxo-6-carbethoxy-8-ethyl-5,8-dihydro-pyrido(2,3-d)pyrimidine; melting point 150°C, after recrystallisation from ethyl acetate.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US03950338 |
| Quelldatensatz | uspto-grants-1976_04 |
| ORD ID | ord-eec4ffbc269145bcbb17fb1c0241c266 |
| Quellennotiz | uspto-grants-1976_04 |