HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 178475914, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 3-Amino-5-oxo-4,5-dihydropyrazine-2-carboxamide | HCID 178513807 | — |
| Solvent | N,N-dimethylformamide ethanol | HCID 19794673 | — |
| Product | HCID 178475914 | HCID 178475914 | — |
Reaction Steps
Obtained using the procedure described in Example 1, starting with 5.0 g (0.0324 mole) of 3-amino-5-hydroxy-2-pyrazinecarboxamide, 29.5 g (0.134 mole) of triethyl orthoacetoxyacetate and 9.5 ml of acetic anhydride. Refluxing time: 1 hour 45 minutes. Yld: 3.8 g (50%), m.p.>300° C. (ethanol/N,N-dimethylformamide).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05270465 |
| Source dataset | uspto-grants-1993_12 |
| ORD ID | ord-066ac02921a047438b3253352ad1f7a4 |
| Source note | uspto-grants-1993_12 |