HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Amino-4,5-dimethyl-1,3-thiazole → HCID 54695946, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Amino-4,5-dimethyl-1,3-thiazole | HCID 73238 | — |
| Reactant | 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxide | HCID 54690651 | — |
| Solvent | 1,2-Dichloroethane | HCID 11 | — |
| Product | HCID 54695946 | HCID 54695946 | 31% |
Reaction Steps
N-(4,5-Dimethyl-2-thiazolyl)-4-hydroxy-2-methyl-2 H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxide was prepared analogous to Example 22 from 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid methylester-1,1-dioxide and 2-amino-4,5-dimethyl-thiazole. Yield: 31% of theory; m.p. 264°-265° C (decomp.; from ethylene chloride).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03992535 |
| Source dataset | uspto-grants-1976_11 |
| ORD ID | ord-11366324faa147d7a89e0568828176d6 |
| Source note | uspto-grants-1976_11 |