HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Fluoroisatoic anhydride → 6-Fluoro-1-methyl-2H-3,1-benzoxazine-2,4(1H)-dione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Fluoroisatoic anhydride | HCID 288560 | — |
| Reactant | 5-Methylisatoic anhydride | HCID 294478 | — |
| Product | 6-Fluoro-1-methyl-2H-3,1-benzoxazine-2,4(1H)-dione | HCID 12713230 | — |
Reaction Steps
By substituting 27 g of 5-fluoroisatoic anhydride for the 5-methylisatoic anhydride Preparative Example 13, there is obtained 5-fluoro-N-methylisatoic anhydride; mp 150°-155° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04261997 |
| Source dataset | uspto-grants-1981_04 |
| ORD ID | ord-3a093e1feb074daf92289f199a5cd7dd |
| Source note | uspto-grants-1981_04 |