HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Amino-4,5,6,7-tetrahydrobenzothiazole → HCID 54695978, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Amino-4,5,6,7-tetrahydrobenzothiazole | HCID 18046 | — |
| 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 54695978 | HCID 54695978 | 38% |
Reaction Steps
4-Hydroxy-2-methyl-N-(4,5,6,7-tetrahydro-2-benzothiazolyl)-2H-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 methyl ester-1,1-dioxide and 2-amino4,5,6,7-tetrahydro-benzothiazole.Yield: 38% of theory; m.p. 255°-257° 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-9a5f03604944459fabf05f10abd038fb |
| Source note | uspto-grants-1976_11 |