HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cyanamide → 4H,6H,7H-pyrano(4,3-d)(1,3)thiazol-2-amine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Cyanamide | HCID 9864 | — |
| Reactant | Pyrrolidine | HCID 31268 | — |
| Reactant | Tetrahydro-4H-pyran-4-one | HCID 121599 | — |
| Reactant | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| Reactant | Sulfur | HCID 5362487 | — |
| Product | 4H,6H,7H-pyrano(4,3-d)(1,3)thiazol-2-amine | HCID 22224448 | — |
Reaction Steps
Commercially available dihydro-2H-pyran-4(3H)-one (Aldrich), pyrrolidine (Aldrich), p-toluenesulfonic acid monohydrate (Aldrich) sulfur (Aldrich) and cyanamide (Aldrich) were processed using the method described in Example 240A to afford the title compound. MS (ESI+) m/z 157 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08841334B2 |
| Source dataset | uspto-grants-2014_09 |
| ORD ID | ord-353da47ca4ba45b88c6d6e77e10d3365 |
| Source note | uspto-grants-2014_09 |