HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methyl iodide → 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid ethyl ester-1,1-dioxide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | 4-hydroxy-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid ethyl ester-1,1-dioxide | HCID 68141236 | — |
| Product | 4-hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid ethyl ester-1,1-dioxide | HCID 68141912 | 82% |
Reaction Steps
4-Hydroxy-2-methyl-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid ethyl ester-1,1-dioxide was prepared analogous to Example 1c from 4-hydroxy-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxylic acid ethyl ester-1,1-dioxide and methyl iodide. Yield: 82% of theory; m.p. 163°-165° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03992535 |
| Source dataset | uspto-grants-1976_11 |
| ORD ID | ord-e677159dc61040c9ab69a22ad0e7353d |
| Source note | uspto-grants-1976_11 |