HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 21568423, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 21568421 | HCID 21568421 | — |
| Reactant | HCID 178435046 | HCID 178435046 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 21568423 | HCID 21568423 | — |
Reaction Steps
The 2,4-dihydroxy-5-methyl-thieno[3,4-d]pyrimidine used above is also a new compound prepared from 3-carbethoxy-2-methyl-4-ureido-thiophene by heating under reflux with concentrated hydrochloric acid in absolute ethyl alcohol. Yield reaches 70%. M.P. 300°C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03931204 |
| Source dataset | uspto-grants-1976_01 |
| ORD ID | ord-aca55f8aea1045a3b9f6c79b7b805a25 |
| Source note | uspto-grants-1976_01 |