HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sulfuric Acid → HCID 20139108, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | HCID 20139312 | HCID 20139312 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 20139108 | HCID 20139108 | — |
Reaction Steps
7-amino-2-ethoxy-4H-3,1-benzoxazin-4-one acetate (1.0 g) is dissolved in 50 ml water containing a stoichiometric equivalent of sulfuric acid, and the solution evaporated to dryness. The product is suspended in ether and filtered, air dried and recrystallized from methanol/acetone to yield 2-ethoxy-5-ethyl-4H-3,1-benzoxazin-4-one sulfate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04665070 |
| Source dataset | uspto-grants-1987_05 |
| ORD ID | ord-c2d05f829120469696234e61aea8c543 |
| Source note | uspto-grants-1987_05 |