HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Amino-6-chloropyrimidine → N-(6-Chloro-4-pyrimidyl)-4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Amino-6-chloropyrimidine | HCID 238012 | — |
| Reactant | 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxide | HCID 54690651 | — |
| Solvent | O-Xylene | HCID 7237 | — |
| Product | N-(6-Chloro-4-pyrimidyl)-4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide | HCID 54695919 | 47% |
Reaction Steps
N-(6-Chloro-4-pyrimidinyl)-4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide was prepared analogous to Example 1 from 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxide and 4-amino-6-chloro-pyrimidine. Yield: 47% of theory; m.p. 263° C (decomp.; from xylene).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03992535 |
| Source dataset | uspto-grants-1976_11 |
| ORD ID | ord-1220e706d60e476c9370283aef9ac5c5 |
| Source note | uspto-grants-1976_11 |