HuagongsheHuagongshe Chemistry Print Report · For research reference only
Thionyl Chloride → Benzenesulfonyl isocyanate, 2-chloro-
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Thionyl Chloride | HCID 24386 | — |
| Reactant | (Chlorothio)formyl chloride | HCID 75990 | — |
| Reactant | 2-Chlorobenzenesulfonamide | HCID 81410 | — |
| Catalyst | Pyridine | HCID 1049 | — |
| Product | Benzenesulfonyl isocyanate, 2-chloro- | HCID 174071 | — |
Reaction Steps
In a flask equipped with a stirrer, reflux condenser and nitrogen bubbling apparatus, were mixed 5 g (0.03 mole) o-chlorobenzenesulfonamide, 50 ml (0.686 mole) thionyl chloride and 2 drops of pyridine. Then 3.9 g (0.03 mole) chlorocarbonylsulfenyl chloride was slowly added.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04485053 |
| Source dataset | uspto-grants-1984_11 |
| ORD ID | ord-0c0fb5ab8441446fa39bef89df1cf700 |
| Source note | uspto-grants-1984_11 |