HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,2-Dibromoethane → 2,3-dihydro-2,2-dimethyl-7-(2-bromoethoxy)-4H-1,3-benzoxazin-4-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,2-Dibromoethane | HCID 7839 | — |
| Reactant | 2,3-dihydro-2,2-dimethyl-7-hydroxy-4H-1,3-benzoxazin-4-one | HCID 13754412 | — |
| Solvent | Isopropanol | HCID 3776 | — |
| Product | 2,3-dihydro-2,2-dimethyl-7-(2-bromoethoxy)-4H-1,3-benzoxazin-4-one | HCID 13754415 | — |
Reaction Steps
16.2 g of 2,3-dihydro-2,2-dimethyl-7-hydroxy-4H-1,3-benzoxazin-4-one are reacted analogously to Example (3a) with 84 ml of 1,2-dibromomethane and yield 2,3-dihydro-2,2-dimethyl-7-(2-bromoethoxy)-4H-1,3-benzoxazin-4-one having a melting point of 156°-158° (from isopropanol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04497813 |
| Source dataset | uspto-grants-1985_02 |
| ORD ID | ord-c2a4915718624a1e82bc728c79be222e |
| Source note | uspto-grants-1985_02 |