HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 12953041, compound → HCID 12953042, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | HCID 12953041 | HCID 12953041 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Product | HCID 12953042 | HCID 12953042 | — |
Reaction Steps
A suspension of ethyl 3,10-dihydro-10-oxo-1H-pyrido[1,2-a]thieno[3,4-d]pyrimidine-7-carboxylate (0.25 g., 0.001 mol) in 2 N hydrochloric acid is refluxed for 2.5 hours. The reaction mixture is cooled in an ice-bath. The product is filtered off and recrystallized from dimethylformamide to give yellow crystals (0.14 g.), mp 311°-312° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04230707 |
| Source dataset | uspto-grants-1980_10 |
| ORD ID | ord-c558a17aa6c7463fa1d34e14568a0541 |
| Source note | uspto-grants-1980_10 |