HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Ethoxypyridin-2-amine → 6-(8-Ethoxy-3-methylimidazo[1,2-a]pyridin-2-yl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Ethoxypyridin-2-amine | HCID 586630 | — |
| Reactant | 6-(2-Bromopropanoyl)-2-methyl-2H-1,4-benzoxazin-3(4H)-one | HCID 20228676 | — |
| Product | 6-(8-Ethoxy-3-methylimidazo[1,2-a]pyridin-2-yl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine | HCID 20228673 | 46% |
Reaction Steps
6-(8-Ethoxy-3-methylimidazo[1,2-a]pyridin-2-yl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine (1.25 g) was prepared in substantially the same manner as that of Example 16 from 6-(2-bromopropionyl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine (2.4 g) and 2-amino-3-ethoxypyridine (2.8 g). mp. 180°-181° C. (dec.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04621084 |
| Source dataset | uspto-grants-1986_11 |
| ORD ID | ord-f6a61b7adf8c4a948d912c87a9cea8d4 |
| Source note | uspto-grants-1986_11 |