HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl xanthate → 2-Sulfanylidene-2,3-dihydro-1,3-benzothiazole-6-carbonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl xanthate | HCID 8823 | — |
| Reactant | 4-Amino-3-chlorobenzonitrile | HCID 519896 | — |
| Reactant | Potassium | HCID 5462222 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 2-Sulfanylidene-2,3-dihydro-1,3-benzothiazole-6-carbonitrile | HCID 178509504 | 97% |
Reaction Steps
The title compound was prepared using the method of example 239, starting with 4-amino-3-chloro-benzonitrile (Lancaster, 5.0 g, 32.7 mmol), O-ethylxanthic acid, potassium salt (Lancaster, 11.8 g, 73.7 mmol) in DMF (40 mL). The mercaptobenzothiazole (241) (6.1 g, 97%) was obtained as a pale brown solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07041691B1 |
| Source dataset | uspto-grants-2006_05 |
| ORD ID | ord-1c5db883c6594ab0887fa56890239471 |
| Source note | uspto-grants-2006_05 |