HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Difluoromethympyrazine-2-carboxylic acid → 5-Difluoromethyl-pyrazine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Difluoromethympyrazine-2-carboxylic acid | HCID 57468575 | — |
| Reactant | (4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine | HCID 86672004 | — |
| Product | 5-Difluoromethyl-pyrazine-2-carboxylic acid [3-((4R,5R)-2-amino-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-4-yl)-4-fluoro-phenyl]-amide | HCID 66558771 | — |
Reaction Steps
The condensation of (4R,5R)-4-(5-amino-2-fluoro-phenyl)-5-fluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate A8.2) and 5-difluoromethyl-pyrazine-2-carboxylic acid (CAS 1174321-06-2, US2009209757) following procedure I yielded the title compound as a light yellow solid. MS (ISP): m/z=398.2 [M+H]+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08754075B2 |
| Source dataset | uspto-grants-2014_06 |
| ORD ID | ord-efb2ab3d43b048d8a795cba95fa7f421 |
| Source note | uspto-grants-2014_06 |